diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/RONG/.classpath" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/RONG/.classpath"
new file mode 100644
index 0000000000000000000000000000000000000000..51a8bbad89682d379e0aadb7bd54d22de601a62f
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/RONG/.classpath"
@@ -0,0 +1,6 @@
+
+
+
+
+
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/RONG/.project" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/RONG/.project"
new file mode 100644
index 0000000000000000000000000000000000000000..5289c2b9661b61bef9207e92236318c4c9eefa47
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/RONG/.project"
@@ -0,0 +1,17 @@
+
+
+ RONG
+
+
+
+
+
+ org.eclipse.jdt.core.javabuilder
+
+
+
+
+
+ org.eclipse.jdt.core.javanature
+
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/RONG/.settings/org.eclipse.jdt.core.prefs" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/RONG/.settings/org.eclipse.jdt.core.prefs"
new file mode 100644
index 0000000000000000000000000000000000000000..3a21537071bf4118b9e1ee864cb4bc258aa48211
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/RONG/.settings/org.eclipse.jdt.core.prefs"
@@ -0,0 +1,11 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/RONG/bin/LING/LIU.class" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/RONG/bin/LING/LIU.class"
new file mode 100644
index 0000000000000000000000000000000000000000..dfead3c2ebed9e0fcf6d60374df32662293d192b
Binary files /dev/null and "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/RONG/bin/LING/LIU.class" differ
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/RONG/src/LING/LIU.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/RONG/src/LING/LIU.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cbcdedaa5fe7b0f6a1e15022b45a6e8bb53e31ad
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/RONG/src/LING/LIU.java"
@@ -0,0 +1,20 @@
+ package LING;
+
+public class LIU {
+ public static void main(String[] args) {
+ System.out.println("Heoll world!");
+ System.out.println("Wellcome to Longyan");
+ System.out.println("I very happy");
+ System.out.println("小林美女\n林总\n很高兴认识你");
+ System.out.println("****************\n 1.显示所有客户\n 2.添加客户信息\n 3.修改所有客户信息");
+ }
+
+
+
+
+
+
+
+
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/lession1/dasads.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/lession1/dasads.java"
new file mode 100644
index 0000000000000000000000000000000000000000..34fc578a26e05b2ecae10d0c8534a35ca4494dca
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/lession1/dasads.java"
@@ -0,0 +1,11 @@
+package 我的java;
+
+public class dasads {
+ public static void main(String[] args) {
+ System.out.println("hhhhhhhh");
+ System.out.println("Welcome to Hopeful!!");
+ System.out.println("fdsfsdf");
+
+}
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/lession1/name.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/lession1/name.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bcfef7714bd47cb07dbd63a38d71204953a7d49b
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/lession1/name.java"
@@ -0,0 +1,12 @@
+package 我的java;
+
+public class name {public static void main(String[] args) {
+ System.out.println("书店管理销售系统>客户信息系统");
+ System.out.println("");
+ System.out.println("*********************************************************");
+ System.out.println(" 1.显示所有客户信息");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所有客户信息");
+ System.out.println("*********************************************************");
+ System.out.println("请选择，输入数字或按“n”返回上一级菜单");
+}}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/lession2/java2.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/lession2/java2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..65d625adcd927e0001758bcaa72629998e55dacf
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/lession2/java2.java"
@@ -0,0 +1,62 @@
+package lession2;
+import java.util.Scanner;
+public class java2 {
+ /*编写程序，定义变量，分别存放游戏中某个英雄的属性信息，
+包括：人物角色名（roleName）、
+生命值（health）
+攻击力（damage）、
+防御力（defense）、
+武器加成（weaponScaling）、
+是否是热门英雄（isHot）。
+打印出来。
+
+这些属性的信息由用户输入。
+
+ *
+ *
+ */
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ String roleName;
+ long health;
+ int damage;
+ int defense;
+ float weaponScaling;
+ boolean isHot;
+
+ System.out.println("你的角色名字是");
+ roleName = scanner.next();
+
+ System.out.println("英雄生命值是");
+ health = scanner.nextLong();
+
+ System.out.println("英雄攻击力是");
+ damage = scanner.nextInt();
+
+ System.out.println("英雄防御力是");
+ defense = scanner.nextInt();
+
+ System.out.println("你的英雄武器加成");
+ weaponScaling = scanner.nextFloat();
+
+ System.out.println("你的英雄是否为冷门英雄");
+ isHot = scanner.nextBoolean();
+
+
+
+
+
+
+
+ System.out.println("你的英雄信息如下：");
+ System.out.println("你的角色名字是"+roleName);
+ System.out.println("角色生命值是"+health);
+ System.out.println("你的角色攻击力"+damage);
+ System.out.println("你的角色防御力"+defense);
+ System.out.println("你的角色武器加成"+weaponScaling);
+ System.out.println("你的角色是否为冷门英雄"+isHot);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/lession2/\345\247\223\345\220\215\346\210\220\347\273\251.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/lession2/\345\247\223\345\220\215\346\210\220\347\273\251.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6918986a60d522aae15aa4cf06585a4c64a54bd7
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/lession2/\345\247\223\345\220\215\346\210\220\347\273\251.java"
@@ -0,0 +1,35 @@
+package aaa;
+
+import java.util.Scanner;
+
+public class ccc {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in) ;
+ String name;
+ int age;
+ String sex;
+ int ID;
+ int exam;
+
+ System.out.println("濮撳悕");
+ name = scanner.next();
+ System.out.println("骞撮緞");
+ age = scanner.nextInt();
+ System.out.println("鎬у埆");
+ sex = scanner.next();
+ System.out.println("瀛﹀彿");
+ ID = scanner.nextInt();
+ System.out.println("HTML鎴愮哗");
+ exam = scanner.nextInt();
+
+ System.out.println("濮撳悕锛"+ name);
+ System.out.println("骞撮緞锛"+age);
+ System.out.println("鎬у埆锛"+sex);
+ System.out.println("瀛﹀彿锛"+ID);
+ System.out.println("HTML鎴愮哗锛"+exam);
+
+ }
+
+}
+鏆傛棤璇勮
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/\346\226\260\345\273\272\346\226\207\346\234\254\346\226\207\346\241\243.txt" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/\346\226\260\345\273\272\346\226\207\346\234\254\346\226\207\346\241\243.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..6918986a60d522aae15aa4cf06585a4c64a54bd7
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/\346\226\260\345\273\272\346\226\207\346\234\254\346\226\207\346\241\243.txt"
@@ -0,0 +1,35 @@
+package aaa;
+
+import java.util.Scanner;
+
+public class ccc {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in) ;
+ String name;
+ int age;
+ String sex;
+ int ID;
+ int exam;
+
+ System.out.println("濮撳悕");
+ name = scanner.next();
+ System.out.println("骞撮緞");
+ age = scanner.nextInt();
+ System.out.println("鎬у埆");
+ sex = scanner.next();
+ System.out.println("瀛﹀彿");
+ ID = scanner.nextInt();
+ System.out.println("HTML鎴愮哗");
+ exam = scanner.nextInt();
+
+ System.out.println("濮撳悕锛"+ name);
+ System.out.println("骞撮緞锛"+age);
+ System.out.println("鎬у埆锛"+sex);
+ System.out.println("瀛﹀彿锛"+ID);
+ System.out.println("HTML鎴愮哗锛"+exam);
+
+ }
+
+}
+鏆傛棤璇勮
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/\347\273\203\344\271\2402.PNG" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/\347\273\203\344\271\2402.PNG"
new file mode 100644
index 0000000000000000000000000000000000000000..7c89a8133d0c7bfd5a08129a00d9d2c6d4fe0e6e
Binary files /dev/null and "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/\347\273\203\344\271\2402.PNG" differ
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo2.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..48f04b443ab95c6392255cda8421924cacc41fed
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo2.java"
@@ -0,0 +1,35 @@
+package test.Java1;
+
+import java.util.Scanner;
+
+public class Demo2 {
+ public static void main(String[]args) {
+ String Name;
+ long age;
+ char sex;
+ int id;
+ int results;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入姓名");
+ Name = scanner.next();
+
+ System.out.println("请输入年龄");
+ age = scanner.nextLong();
+
+ System.out.println("请输入性别");
+ sex = scanner.next().charAt(0);
+
+ System.out.println("请输入学号");
+ id= scanner.nextInt();
+
+ System.out.println("请输入成绩");
+ results= scanner.nextInt();
+
+ System.out.println("请输入姓名"+Name);
+ System.out.println("请输入年龄"+age);
+ System.out.println("请输入性别"+sex);
+ System.out.println("请输入学号"+id);
+ System.out.println("请输入成绩"+results);
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/HelloWorld.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/HelloWorld.java"
new file mode 100644
index 0000000000000000000000000000000000000000..39410da73ea5e8ebbef44ec9aec52f6d93b74108
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/HelloWorld.java"
@@ -0,0 +1,8 @@
+package com.lession;
+
+public class HelloWorld {
+ public static void main(String[] args){
+ System.out.println("兰馨儿");
+ System.out.println("18");
+}
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/\344\271\246\345\272\227.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/\344\271\246\345\272\227.java"
new file mode 100644
index 0000000000000000000000000000000000000000..310178b664802533300440b15b1cebdc25f4cc1c
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/\344\271\246\345\272\227.java"
@@ -0,0 +1,16 @@
+package com.lession;
+
+public class 书店 {
+ public static void main(String[] args){
+ System.out.println("书店管理销售系统>客户信息系统");
+ System.out.println("");
+ System.out.println("*********************************");
+ System.out.println(" 1.显示所有客户信息");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所有客户信息");
+ System.out.println("*********************************");
+ System.out.println("请选择，输入数字或按“n”返回上一级菜单");
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/\346\270\270\346\210\217.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/\346\270\270\346\210\217.java"
new file mode 100644
index 0000000000000000000000000000000000000000..dcbd9e51ce6ba4fba6e24a48aa9f50e8b798d8b7
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/\346\270\270\346\210\217.java"
@@ -0,0 +1,20 @@
+
+public class 游戏 {
+
+ public static void main(String[] args) {
+ String roleName = "魔法少女";
+ long health = 3000;
+ int damage = 130;
+ int defense = 80;
+ float weaponScaling= 0.4f;
+ boolean isHot = true;
+
+ System.out.println("人物角色名是："+roleName);
+ System.out.println("人物生命值是："+health);
+ System.out.println("人物攻击力是："+damage);
+ System.out.println("人物防御力是："+defense);
+ System.out.println("武器加成是："+weaponScaling);
+ System.out.println("是否是热门英雄："+isHot);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/\346\270\270\346\210\2172.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/\346\270\270\346\210\2172.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a0308df208a9df0524b068a347aa0082a716d663
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/\346\270\270\346\210\2172.java"
@@ -0,0 +1,44 @@
+import java.util.Scanner;
+
+public class 游戏2 {
+
+ public static void main(String[] args) {
+ String roleName;
+ long health;
+ int damage;
+ int defense;
+ float weaponScaling;
+ boolean isHot;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.print("以下请输入人物信息：");
+
+ System.out.print("请输入人物角色名：");
+ roleName =scanner.next();
+
+ System.out.print("请输入人物生命值：");
+ health =scanner.nextLong();
+
+ System.out.print("请输入人物攻击力：");
+ damage =scanner.nextInt();
+
+ System.out.print("请输入人物防御力：");
+ defense =scanner.nextInt();
+
+ System.out.print("请输入人物武器加成值：");
+ weaponScaling =scanner.nextInt();
+
+ System.out.print("请输入是否为热门人物：");
+ isHot =scanner.nextBoolean();
+
+
+
+ System.out.println("人物角色名是："+roleName);
+ System.out.println("人物生命值是："+health);
+ System.out.println("人物攻击力是："+damage);
+ System.out.println("人物防御力是："+defense);
+ System.out.println("武器加成是："+weaponScaling);
+ System.out.println("是否是热门英雄："+isHot);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/HelloWorld.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/HelloWorld.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fb0e21b9b81a1b6ad01b74ec05a15f102d82923d
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/HelloWorld.java"
@@ -0,0 +1,10 @@
+package qwce;
+
+public class HelloWorld {
+ public static void main(String[] args){
+ System.out.println("蔡东生");
+ System.out.println("18");
+}
+
+}
+
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Shudian.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Shudian.java"
new file mode 100644
index 0000000000000000000000000000000000000000..439e7ba80a7ec07772ee060188596bd87a7ff9b7
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Shudian.java"
@@ -0,0 +1,15 @@
+package qwce;
+
+public class Shudian {
+ public static void main(String[] args){
+ System.out.println("书店管理销售系统》客户信息系统");
+ System.out.println("");
+ System.out.println("*********************************");
+ System.out.println(" 1.显示所有客户信息");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所有客户信息");
+ System.out.println("*********************************");
+ System.out.println("请选择，输入数字或按“n”返回上一级菜单");
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Xingminglianl.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Xingminglianl.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0678bddaa2748624d0167140559dce8a836a618c
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Xingminglianl.java"
@@ -0,0 +1,35 @@
+package lesson2;
+
+import java.util.Scanner;
+
+import javax.swing.text.html.CSS;
+
+public class Xingminglianl {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入你的姓名");
+ String name =scanner.next();
+
+ System.out.println("请输入你的年龄");
+ int age =scanner.nextInt();
+
+ System.out.println("请输入你的性别");
+ String xingbie=scanner.next();
+
+ System.out.println("请输入你的学号");
+ int xuehao =scanner.nextInt();
+
+ System.out.println("请输入你的HTML成绩");
+ int chengji =scanner.nextInt();
+
+ System.out.println("信息如下");
+ System.out.println("你的名字是;"+name);
+ System.out.println("你的年龄是;"+age);
+ System.out.println("你的性别是;"+xingbie);
+ System.out.println("你的学号是;"+xuehao);
+ System.out.println("你的HTML成绩是;"+chengji);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Yx.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Yx.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1700e41c3de5632ac081d022db55cfdac77a7ce6
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Yx.java"
@@ -0,0 +1,58 @@
+package lesson2;
+
+import java.util.Scanner;
+
+public class Yx {
+
+ public static void main(String[] args) {
+ /*编写程序，定义变量，分别存放游戏中某个英雄的属性信息，
+包括：人物角色名（roleName）、生命值（health）、攻击力（damage）、防御力（defense）、武器加成（weaponScaling）、是否是热门英雄（isHot）。
+打印出来。
+
+这些属性的信息由用户输入。
+
+ *
+ */
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+
+ System.out.println("请输入人物角色名");
+ String roleName= scanner.next();
+
+ System.out.println("请输入生命值");
+ long health= scanner.nextLong();
+
+ System.out.println("请输入攻击力");
+ int damage = scanner.nextInt();
+
+ System.out.println("请输入防御力");
+ int defense= scanner.nextInt();
+
+ System.out.println("请输入武器加成");
+ float weaponScaling= scanner.nextFloat();
+
+ System.out.println("请输入是否是热门1英雄");
+ boolean isHot = scanner.nextBoolean();
+
+ System.out.println("英雄的信息如下：");
+
+ System.out.println("人物角色名"+roleName);
+
+ System.out.println("生命值"+health);
+
+ System.out.println("攻击力"+damage);
+
+ System.out.println("防御力"+defense);
+
+ System.out.println("武器加成"+weaponScaling);
+
+ System.out.println("是否是热门英雄"+isHot);
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/lession01/zuoye1.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/lession01/zuoye1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..93daee06de9650a14cafb9e0f2934f0d96c72fc7
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/lession01/zuoye1.java"
@@ -0,0 +1,13 @@
+package COM.MD.LESSION01;
+
+public class zuoye1 {
+
+ public static void main(String[] args) {
+ System.out.println("HelloWorld!");
+ System.out.println("Welcome to Hopefu!");
+ System.out.println("My"+"name"+"is"+"小浪");
+ // TODO 自动生成的方法存根
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/lession01/zuoye2.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/lession01/zuoye2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ab4b716d75669460ee074495cde7644a016cb3ba
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/lession01/zuoye2.java"
@@ -0,0 +1,15 @@
+package COM.MD.LESSION01;
+
+public class zuoye2 {
+ public static void main(String[] args) {
+ System.out.println("书店管理系统>客户信息系统");
+ System.out.println();
+
+ System.out.println("***************************");
+ System.out.println(" 1.显示所有客户信息\n 2.添加客户信息\n 3.修改客户信息");
+
+ System.out.println("***************************");
+ System.out.println("请选择，输入数字或按“n”返回上一级");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/lession02/LESSION02.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/lession02/LESSION02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..33d049421801e3cd75d6b09c43213baf279d7dd8
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/lession02/LESSION02.java"
@@ -0,0 +1,22 @@
+
+public class LESSION02 {
+
+ public static void main(String[] args) {
+ String roleName="雅典娜";
+ Long health=3000l;
+ int damage=95;
+ int defense=100;
+ float weaponScaling=0.4f;
+ boolean isHot=false;
+
+ System.out.println("人物角色名是："+roleName);
+ System.out.println("生命值是"+health);
+ System.out.println("攻击力是"+damage);
+
+ System.out.println("防御力是"+defense);
+ System.out.println("武器加成是"+weaponScaling);
+ System.out.println("是否热门"+isHot);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/lession02/lession.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/lession02/lession.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ef263fbcd43e1de1295f9a01629ac251689cd509
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/lession02/lession.java"
@@ -0,0 +1,42 @@
+import java.util.Scanner;
+
+public class lession {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+
+ System.out.println("英雄名字是：");
+ String name=scanner.next();
+
+ System.out.println("生命值是：");
+ Long health=scanner.nextLong();
+
+ System.out.println("攻击力：");
+ int damage=scanner.nextInt();
+
+ System.out.println("防御力：");
+ int defense=scanner.nextInt();
+
+ System.out.println("武器加成：");
+ float weaponScaling=scanner.nextFloat();
+
+ System.out.println("是否热门：");
+ boolean isHot=scanner.hasNext();
+
+
+ System.out.println("以下是英雄的信息");
+
+ System.out.println("生命值是"+health);
+ System.out.println("攻击力是"+damage);
+
+ System.out.println("防御力是"+defense);
+ System.out.println("武器加成是"+weaponScaling);
+ System.out.println("是否热门"+isHot);
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/lession02/lession03.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/lession02/lession03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..437a9e544f1f3fd7f88f5109093a069e0e2563ac
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/lession02/lession03.java"
@@ -0,0 +1,32 @@
+import java.util.Scanner;
+
+public class lession03 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+
+ System.out.println("请输入你的姓名");
+ String xm=scanner.next();
+
+ System.out.println("请输入你的年龄");
+ int age=scanner.nextInt();
+
+ System.out.println("请输入你的性别");
+ String xingbie=scanner.next();
+
+ System.out.println("请输入你的学号");
+ int xuehao=scanner.nextInt();
+
+ System.out.println("请输入你的HTML成绩");
+ float chengji=scanner.nextFloat();
+
+ System.out.println("以下是学生的个人信息");
+ System.out.println("姓名："+xm);
+ System.out.println("年龄："+age);
+ System.out.println("性别："+xingbie);
+ System.out.println("学号："+xuehao);
+ System.out.println("HTML成绩："+chengji);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/aa.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/aa.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e7700e1a70cfad46b58fe8fb3f8257cb21bf8fed
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/aa.java"
@@ -0,0 +1,11 @@
+package aaa;
+
+public class aa {
+ public static void main(String[] args) {
+ System.out.println("*******************************************************************");
+ System.out.println("1.显示所有客户信息");
+ System.out.println("2.添加客户信息");
+ System.out.println("3.修改所有客户信息");
+ System.out.println("*******************************************************************");
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/aaa.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/aaa.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5220cf56207a8478dad32b8b673e82390d4435e1
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/aaa.java"
@@ -0,0 +1,9 @@
+package aaa;
+
+public class aaa {
+ public static void main(String[] args) {
+ System.out.println("Hello World");
+ System.out.println("Welcome to Hopeful!");
+ System.out.println("My"+"name"+"is"="小浪");
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/bbb.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/bbb.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e8b63680d3efa5e94e5c52e1bbffacd8472d3a01
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/bbb.java"
@@ -0,0 +1,38 @@
+package aaa;
+
+import java.util.Scanner;
+
+public class bbb {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in) ;
+
+ String name;
+ long health;
+ int damage;
+ int defense;
+ float weaponScaling;
+ boolean isHot;
+
+ System.out.println("请输入英雄名称");
+ name = scanner.next();
+ System.out.println("请输入英雄生命值");
+ health = scanner.nextLong();
+ System.out.println("请输入英雄攻击力");
+ damage = scanner.nextInt();
+ System.out.println("请输入英雄防御力");
+ defense = scanner.nextInt();
+ System.out.println("请输入英雄武器攻击力加成");
+ weaponScaling = scanner.nextFloat();
+ System.out.println("英雄是否为热门英雄");
+ isHot = scanner.nextBoolean();
+
+ System.out.println("英雄名称是："+ name);
+ System.out.println("英雄生命值是："+health);
+ System.out.println("英雄攻击力是："+damage);
+ System.out.println("英雄防御力是："+defense);
+ System.out.println("英雄武器攻击力加成是："+weaponScaling);
+ System.out.println("英雄是否为热门英雄："+isHot);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/ccc.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/ccc.java"
new file mode 100644
index 0000000000000000000000000000000000000000..91a999583152246c4db6d921eb6f840bba373961
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/ccc.java"
@@ -0,0 +1,34 @@
+package aaa;
+
+import java.util.Scanner;
+
+public class ccc {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in) ;
+ String name;
+ int age;
+ String sex;
+ int ID;
+ int exam;
+
+ System.out.println("姓名");
+ name = scanner.next();
+ System.out.println("年龄");
+ age = scanner.nextInt();
+ System.out.println("性别");
+ sex = scanner.next();
+ System.out.println("学号");
+ ID = scanner.nextInt();
+ System.out.println("HTML成绩");
+ exam = scanner.nextInt();
+
+ System.out.println("姓名："+ name);
+ System.out.println("年龄："+age);
+ System.out.println("性别："+sex);
+ System.out.println("学号："+ID);
+ System.out.println("HTML成绩："+exam);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Lession.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Lession.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fc6bd259db16133891f5514140a5584f0bd0ebfd
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Lession.java"
@@ -0,0 +1,15 @@
+package mmmmm;
+
+public class lession {
+ public static void main(String[] args) {
+ System.out.print("书店管理销售系统>客户信息系统\n"
+ +"\n"
+ +"*****************************************************\n"
+ +" 1.显示所有客户信息\n"
+ +" 2.添加客户信息\n"
+ +" 3.修改所有客户信息\n"
+ +"*****************************************************\n"
+ +"请选择，输入数字或按“n”返回上一级菜单");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Nameage.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Nameage.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1a7ab5382e75cf8964ae49e095c0c1b4b45cd131
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Nameage.java"
@@ -0,0 +1,8 @@
+package mmmmm;
+
+public class nameage {
+ public static void main(String[] args) {
+ System.out.println("叶真");
+ System.out.println("18");
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/HelloWorld/.classpath" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/HelloWorld/.classpath"
new file mode 100644
index 0000000000000000000000000000000000000000..51a8bbad89682d379e0aadb7bd54d22de601a62f
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/HelloWorld/.classpath"
@@ -0,0 +1,6 @@
+
+
+
+
+
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/HelloWorld/.project" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/HelloWorld/.project"
new file mode 100644
index 0000000000000000000000000000000000000000..91521860945d3f8f00c650504cc688b9036b4c3f
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/HelloWorld/.project"
@@ -0,0 +1,17 @@
+
+
+ HelloWorld
+
+
+
+
+
+ org.eclipse.jdt.core.javabuilder
+
+
+
+
+
+ org.eclipse.jdt.core.javanature
+
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/HelloWorld/.settings/org.eclipse.jdt.core.prefs" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/HelloWorld/.settings/org.eclipse.jdt.core.prefs"
new file mode 100644
index 0000000000000000000000000000000000000000..3a21537071bf4118b9e1ee864cb4bc258aa48211
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/HelloWorld/.settings/org.eclipse.jdt.core.prefs"
@@ -0,0 +1,11 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/HelloWorld/bin/com/md/lesson1/HelloWorld.class" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/HelloWorld/bin/com/md/lesson1/HelloWorld.class"
new file mode 100644
index 0000000000000000000000000000000000000000..d770c7c6a0d10a7447f8dc37bfdfbfbc706de17d
Binary files /dev/null and "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/HelloWorld/bin/com/md/lesson1/HelloWorld.class" differ
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/HelloWorld/src/com/md/lesson1/HelloWorld.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/HelloWorld/src/com/md/lesson1/HelloWorld.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b4605794559e96188322b9d4a213422923a336c4
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/HelloWorld/src/com/md/lesson1/HelloWorld.java"
@@ -0,0 +1,10 @@
+package com.md.lesson1;
+
+public class HelloWorld {
+
+ public static void main(String[] args) {
+ System.out.println("HelloWorld !!!");
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\346\270\270\346\210\217/.classpath" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\346\270\270\346\210\217/.classpath"
new file mode 100644
index 0000000000000000000000000000000000000000..51a8bbad89682d379e0aadb7bd54d22de601a62f
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\346\270\270\346\210\217/.classpath"
@@ -0,0 +1,6 @@
+
+
+
+
+
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\346\270\270\346\210\217/.project" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\346\270\270\346\210\217/.project"
new file mode 100644
index 0000000000000000000000000000000000000000..9e8fab9dcbe943932195e791fc7bb83bf56dc278
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\346\270\270\346\210\217/.project"
@@ -0,0 +1,17 @@
+
+
+ yinshen
+
+
+
+
+
+ org.eclipse.jdt.core.javabuilder
+
+
+
+
+
+ org.eclipse.jdt.core.javanature
+
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\346\270\270\346\210\217/.settings/org.eclipse.jdt.core.prefs" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\346\270\270\346\210\217/.settings/org.eclipse.jdt.core.prefs"
new file mode 100644
index 0000000000000000000000000000000000000000..3a21537071bf4118b9e1ee864cb4bc258aa48211
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\346\270\270\346\210\217/.settings/org.eclipse.jdt.core.prefs"
@@ -0,0 +1,11 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\346\270\270\346\210\217/bin/com/md/lesson01/calculator.class" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\346\270\270\346\210\217/bin/com/md/lesson01/calculator.class"
new file mode 100644
index 0000000000000000000000000000000000000000..0509df22e5d4c5358701d7308902e47d846fbbfc
Binary files /dev/null and "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\346\270\270\346\210\217/bin/com/md/lesson01/calculator.class" differ
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\346\270\270\346\210\217/src/com/md/lesson01/Calculator.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\346\270\270\346\210\217/src/com/md/lesson01/Calculator.java"
new file mode 100644
index 0000000000000000000000000000000000000000..34b8e1a5063d3299bf8a102a8cfd11bbb0820cab
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\346\270\270\346\210\217/src/com/md/lesson01/Calculator.java"
@@ -0,0 +1,54 @@
+package com.md.lesson01;
+
+import java.util.Scanner;
+
+public class calculator {
+ /*
+ 编写程序，定义变量，分别存放游戏中某个英雄的属性信息，
+ 包括：人物角色名（roleName）、生命值（health）、攻击力（damage）
+ 、防御力（defense）、武器加成（weaponScaling）、是否是热门英雄（isHot）。
+ */
+ public static void main(String[] args) {
+ String roleName;
+ long health;
+ int damage;
+ int defense;
+ float weaponScaling;
+ boolean isHot;
+
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入您的英雄名字：");
+ roleName=scanner.next();
+
+ System.out.println("请输入英雄的生命值：");
+ health=scanner.nextLong();
+
+ System.out.println("请输入英雄的攻击力：");
+ damage=scanner.nextInt();
+
+ System.out.println("请输入英雄的防御力：");
+ defense=scanner.nextInt();
+
+ System.out.println("请输入英雄的武器加成：");
+ weaponScaling=scanner.nextFloat();
+
+ System.out.println("请输入英雄是否是热门英雄：");
+ isHot=scanner.nextBoolean();
+
+
+
+
+
+ System.out.println("人物的角色名是："+roleName);
+ System.out.println("人物的生命值是："+health);
+ System.out.println("人物的攻击力是："+damage);
+ System.out.println("人物的防御力是："+defense);
+ System.out.println("人物的武器加成是："+weaponScaling);
+ System.out.println("人物是否是热门英雄："+isHot);
+
+
+
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\207\252\346\210\221\344\273\213\347\273\215/.classpath" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\207\252\346\210\221\344\273\213\347\273\215/.classpath"
new file mode 100644
index 0000000000000000000000000000000000000000..51a8bbad89682d379e0aadb7bd54d22de601a62f
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\207\252\346\210\221\344\273\213\347\273\215/.classpath"
@@ -0,0 +1,6 @@
+
+
+
+
+
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\207\252\346\210\221\344\273\213\347\273\215/.project" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\207\252\346\210\221\344\273\213\347\273\215/.project"
new file mode 100644
index 0000000000000000000000000000000000000000..7aa5cfe2b47fb0755d75fcca834e6f8bd19fc913
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\207\252\346\210\221\344\273\213\347\273\215/.project"
@@ -0,0 +1,17 @@
+
+
+ ych
+
+
+
+
+
+ org.eclipse.jdt.core.javabuilder
+
+
+
+
+
+ org.eclipse.jdt.core.javanature
+
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\207\252\346\210\221\344\273\213\347\273\215/.settings/org.eclipse.jdt.core.prefs" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\207\252\346\210\221\344\273\213\347\273\215/.settings/org.eclipse.jdt.core.prefs"
new file mode 100644
index 0000000000000000000000000000000000000000..3a21537071bf4118b9e1ee864cb4bc258aa48211
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\207\252\346\210\221\344\273\213\347\273\215/.settings/org.eclipse.jdt.core.prefs"
@@ -0,0 +1,11 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\207\252\346\210\221\344\273\213\347\273\215/bin/ych/zwjs.class" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\207\252\346\210\221\344\273\213\347\273\215/bin/ych/zwjs.class"
new file mode 100644
index 0000000000000000000000000000000000000000..7da8ef6ddce324d63144260d9391dd20be72dda2
Binary files /dev/null and "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\207\252\346\210\221\344\273\213\347\273\215/bin/ych/zwjs.class" differ
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\207\252\346\210\221\344\273\213\347\273\215/src/ych/Zwjs.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\207\252\346\210\221\344\273\213\347\273\215/src/ych/Zwjs.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1f09de8f22ea7cacfad54ff559bcfc47ca8c29cf
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\207\252\346\210\221\344\273\213\347\273\215/src/ych/Zwjs.java"
@@ -0,0 +1,48 @@
+package ych;
+
+import java.util.Scanner;
+
+public class zwjs {
+
+ public static void main(String[] args) {
+ String name;
+ int age;
+ String gender;
+ int number;
+ int html;
+ String food;
+
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入您的名字：");
+ name = scanner.next();
+
+ System.out.println("请输入您的年龄：");
+ age = scanner.nextInt();
+
+ System.out.println("请输入您的性别：");
+ gender = scanner.next();
+
+ System.out.println("请输入您的学号：");
+ number = scanner.nextInt();
+
+ System.out.println("请输入您的HTML成绩：");
+ html = scanner.nextInt();
+
+ System.out.println("请输入您最喜欢的食物：");
+ food = scanner.next();
+
+
+
+
+
+ System.out.println("人物的名字是："+name);
+ System.out.println("人物的年龄是："+age);
+ System.out.println("人物的性别是："+gender);
+ System.out.println("人物的学号是："+number);
+ System.out.println("人物的HTML成绩是："+html);
+ System.out.println("人物最喜欢的食物是："+food);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/java\347\254\254\344\270\200\346\254\241/JJ.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/java\347\254\254\344\270\200\346\254\241/JJ.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7ba3772ade296671f864d79029c0e6d67739beab
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/java\347\254\254\344\270\200\346\254\241/JJ.java"
@@ -0,0 +1,10 @@
+package kk;
+
+public class jj {
+ public static void main(String[] args){
+ System.out.println("叶颀");
+ System.out.println("年龄：20岁");
+
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/java\347\254\254\344\270\200\346\254\241/kkk.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/java\347\254\254\344\270\200\346\254\241/kkk.java"
new file mode 100644
index 0000000000000000000000000000000000000000..147b527847c9b652a664fb9d9eca90de04e1e901
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/java\347\254\254\344\270\200\346\254\241/kkk.java"
@@ -0,0 +1,14 @@
+
+public class kkk {
+ public static void main(String[] args){
+ System.out.println("书店管理销售系统>客户信息系统");
+ System.out.println("********************");
+ System.out.println("1.显示所有客户信息");
+ System.out.println("2.添加客户信息");
+ System.out.println("3.修改所有客户信息");
+ System.out.println("********************");
+
+
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/java\347\254\254\344\272\214\346\254\241/Jj.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/java\347\254\254\344\272\214\346\254\241/Jj.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7641c2237f1d873dbcd5de5484cf5e9c78087eff
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/java\347\254\254\344\272\214\346\254\241/Jj.java"
@@ -0,0 +1,40 @@
+import java.util.Scanner;
+public class jj {
+
+ /*
+ * 编写程序，定义变量，分别存放游戏中某个英雄的属性信息，
+包括：人物角色名（roleName）、生命值（health）、攻击力（damage）、防御力（defense）、武器加成（weaponScaling）、是否是热门英雄（isHot）。
+打印出来。
+
+这些属性的信息由用户输入。
+
+ */
+ public static void main(String[] args) {
+ String rolename;
+ long health;
+ short demage;
+ short defense;
+ float weaponScaling;
+ boolean ishot;
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("人物角色名\t");
+ rolename = scanner.next();
+ System.out.println("生命值\t");
+ health = scanner.nextLong();
+ System.out.println("攻击力\t");
+ demage = scanner.nextShort();
+ System.out.println("防御力\t");
+ defense = scanner.nextShort();
+ System.out.println("武器加成\t");
+ weaponScaling = scanner.nextFloat();
+ System.out.println("是否是热门英雄\t");
+ ishot = scanner.nextBoolean();
+ System.out.println("人物角色名" + rolename);
+ System.out.println("生命值" + health);
+ System.out.println("攻击力" + demage);
+ System.out.println("防御力" + defense);
+ System.out.println("武器加成" + weaponScaling);
+ System.out.println("是否是热门英雄" + ishot);
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/java\347\254\254\344\272\214\346\254\241/Zuoy2.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/java\347\254\254\344\272\214\346\254\241/Zuoy2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a609dc0cfef091a60a0a770d926de6ead131146f
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/java\347\254\254\344\272\214\346\254\241/Zuoy2.java"
@@ -0,0 +1,27 @@
+import java.util.Scanner;
+public class zuoy2 {
+ public static void main(String[] args) {
+ String name;
+ int age;
+ boolean xb;
+ short xh;
+ short HTML;
+ Scanner Scanner=new Scanner(System.in);
+ System.out.println("姓名：\t");
+ name=Scanner.next();
+ System.out.println("年龄：\t");
+ age=Scanner.nextInt();
+ System.out.println("性别：\t");
+ xb=Scanner.nextBoolean();
+ System.out.println("学号：\t");
+ xh=Scanner.nextShort();
+ System.out.println("HTML成绩：\t");
+ HTML=Scanner.nextShort();
+ System.out.println("姓名："+name);
+ System.out.println("年龄："+age);
+ System.out.println("性别："+xb);
+ System.out.println("学号："+xh);
+ System.out.println("HTML成绩："+HTML);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2371/Helloworld.txt" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2371/Helloworld.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..856381d0f4a6c3ba8c1ff39ab674796232e6529b
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2371/Helloworld.txt"
@@ -0,0 +1,10 @@
+package testJava;
+
+public class HelloWorld {
+ public static void main(String[] args) {
+ System.out.println("HelloWorld!");
+ System.out.println("Welcome to Hopeful");
+ System.out.println("My" +" name" +" 小耍");
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2371/\345\255\246\347\224\237\344\277\241\346\201\257.txt" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2371/\345\255\246\347\224\237\344\277\241\346\201\257.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..8f10a609298b74b395f9bfb78e0c779d1ac8f195
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2371/\345\255\246\347\224\237\344\277\241\346\201\257.txt"
@@ -0,0 +1,36 @@
+package calculator;
+
+import java.util.Scanner;
+
+public class 瀛︾敓淇℃伅 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ /*浜虹墿瑙掕壊鍚嶏紙roleName锛夈佺敓鍛藉硷紙health锛夈 鏀诲嚮鍔涳紙damage锛
+ *闃插尽鍔涳紙defense锛夈佹鍣ㄥ姞鎴愶紙weaponScaling锛夈佹槸鍚︽槸鐑棬鑻遍泟锛坕sHot锛
+ */
+ Scanner scanner= new Scanner(System.in);
+ String Name;
+ long health;
+ int age;
+ char sex = 0;
+ byte xuehao;
+ int chengji;
+ System.out.println("璇疯緭鍏ュ鍚");
+ Name =scanner.next();
+ System.out.println("璇疯緭鍏ュ勾榫");
+ age =scanner.nextInt();
+ System.out.println("璇疯緭鍏ユу埆");
+ sex =scanner.next().charAt(sex);
+ System.out.println("璇疯緭鍏ュ鍙");
+ xuehao =scanner.nextByte();
+ System.out.println("璇疯緭鍏TML鎴愮哗");
+ chengji =scanner.nextInt();
+ System.out.println("浣犵殑濮撳悕鏄細"+Name);
+ System.out.println("浣犵殑骞撮緞鏄細"+age);
+ System.out.println("浣犵殑鎬у埆鏄細"+sex);
+ System.out.println("浣犵殑瀛﹀彿鏄:"+xuehao);
+ System.out.println("浣犵殑HTML鎴愮哗鏄:"+chengji);
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2371/\345\256\242\346\210\267\344\277\241\346\201\257.txt" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2371/\345\256\242\346\210\267\344\277\241\346\201\257.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..25adb43a49894d3fe663acfcdb3911e36e6c4c6a
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2371/\345\256\242\346\210\267\344\277\241\346\201\257.txt"
@@ -0,0 +1,21 @@
+package md.rj1.lesson;
+
+import javax.jws.soap.SOAPBinding.Style;
+
+import org.omg.CORBA.PUBLIC_MEMBER;
+
+public class 瀹㈡埛淇℃伅 {
+
+ public static void main(String[] args) {
+ // TODO 鑷姩鐢熸垚鐨勬柟娉曞瓨鏍
+ System.out.println("涔﹀簵绠＄悊閿鍞郴缁熴嬪鎴蜂俊鎭郴缁");
+ System.out.println("\n");
+ System.out.println("**********************************");
+ System.out.println(" 1.鏄剧ず鎵鏈夊鎴蜂俊鎭");
+ System.out.println(" 2.娣诲姞瀹㈡埛淇℃伅");
+ System.out.println(" 3.淇敼鎵鏈夊鎴蜂俊鎭");
+ System.out.println("**********************************");
+ System.out.println("璇烽夋嫨锛岃緭鍏ユ暟瀛楁垨鎸"+"n"+"杩斿洖涓婁竴绾ц彍鍗");
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2371/\350\213\261\351\233\204\350\247\222\350\211\262.txt" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2371/\350\213\261\351\233\204\350\247\222\350\211\262.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..75715696a2dfd43a20eb40dcdec835c1ced76174
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2371/\350\213\261\351\233\204\350\247\222\350\211\262.txt"
@@ -0,0 +1,42 @@
+package calculator;
+
+import java.util.Scanner;
+
+public class 鑻遍泟瑙掕壊 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ /*浜虹墿瑙掕壊鍚嶏紙roleName锛夈佺敓鍛藉硷紙health锛夈 鏀诲嚮鍔涳紙damage锛
+ *闃插尽鍔涳紙defense锛夈佹鍣ㄥ姞鎴愶紙weaponScaling锛夈佹槸鍚︽槸鐑棬鑻遍泟锛坕sHot锛
+ */
+ Scanner scanner= new Scanner(System.in);
+ String roleName;
+ long health;
+ int damage;
+ int defense;
+ float weaponScaling;
+ boolean isHot;
+
+ System.out.println("璇疯緭鍏ヤ汉鐗╄鑹插悕");
+ roleName =scanner.next();
+ System.out.println("璇疯緭鍏ヤ汉鐗╃敓鍛藉");
+ health =scanner.nextLong();
+ System.out.println("璇疯緭鍏ヤ汉鐗╂敾鍑诲姏");
+ damage =scanner.nextInt();
+ System.out.println("璇疯緭鍏ヤ汉鐗╅槻寰″姏");
+ defense =scanner.nextInt();
+ System.out.println("璇疯緭鍏ヤ汉鐗╂鍣ㄥ姞鎴");
+ weaponScaling =scanner.nextFloat();
+ System.out.println("璇疯緭鍏ユ槸鍚︾儹闂");
+ isHot =scanner.hasNextBoolean();
+
+ System.out.println("浣犵殑瑙掕壊淇℃伅濡備笅锛");
+ System.out.println("浣犵殑鍚嶅瓧鏄"+roleName);
+ System.out.println("浣犵殑鐢熷懡鍊兼槸"+health);
+ System.out.println("浣犵殑鏀诲嚮鍔涙槸"+damage);
+ System.out.println("浣犵殑闃插尽鍔涙槸"+defense);
+ System.out.println("浣犵殑浜虹墿姝﹀櫒鍔犳垚鏄"+weaponScaling);
+ System.out.println("鏄惁鐑棬"+isHot);
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/\346\210\220\347\273\2513.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/\346\210\220\347\273\2513.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fa4cdb7846712f04da5b210cb5efe42f5b844429
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/\346\210\220\347\273\2513.java"
@@ -0,0 +1,33 @@
+package s;
+
+import java.util.Scanner;
+
+public class 成绩3 {
+
+ public static void main(String[] args) {
+
+ Scanner scanner= new Scanner(System.in);
+ String Name;
+ long health;
+ int age;
+ char sex = 0;
+ byte xuehao;
+ int chengji;
+ System.out.println("请输入姓名");
+ Name =scanner.next();
+ System.out.println("请输入年龄");
+ age =scanner.nextInt();
+ System.out.println("请输入性别");
+ sex =scanner.next().charAt(sex);
+ System.out.println("请输入学号");
+ xuehao =scanner.nextByte();
+ System.out.println("请输入HTML成绩");
+ chengji =scanner.nextInt();
+ System.out.println("你的姓名是："+Name);
+ System.out.println("你的年龄是："+age);
+ System.out.println("你的性别是："+sex);
+ System.out.println("你的学号是:"+xuehao);
+ System.out.println("你的HTML成绩是:"+chengji);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/\350\213\261\351\233\204.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/\350\213\261\351\233\204.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9241e7f3f7a1f504b66e16244eacb5b8d6e9dc4a
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/\350\213\261\351\233\204.java"
@@ -0,0 +1,40 @@
+package s;
+
+import java.util.Scanner;
+
+public class 英雄 {
+
+ public static void main(String[] args) {
+
+ /*人物角色名（roleName）、生命值（health）、 攻击力（damage）
+ *防御力（defense）、武器加成（weaponScaling）、是否是热门英雄（isHot）
+ */
+ Scanner scanner= new Scanner(System.in);
+ String roleName;
+ long health;
+ int damage;
+ int defense;
+ float weaponScaling;
+ boolean isHot;
+ System.out.println("请输入人物角色名");
+ roleName =scanner.next();
+ System.out.println("请输入人物生命值");
+ health =scanner.nextLong();
+ System.out.println("请输入人物攻击力");
+ damage =scanner.nextInt();
+ System.out.println("请输入人物防御力");
+ defense =scanner.nextInt();
+ System.out.println("请输入人物武器加成");
+ weaponScaling =scanner.nextFloat();
+ System.out.println("请输入是否热门");
+ isHot =scanner.hasNextBoolean();
+ System.out.println("你的角色信息如下：");
+ System.out.println("你的名字是"+roleName);
+ System.out.println("你的生命值是"+health);
+ System.out.println("你的攻击力是"+damage);
+ System.out.println("你的防御力是"+defense);
+ System.out.println("你的人物武器加成是"+weaponScaling);
+ System.out.println("是否热门"+isHot);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/HelloWorld/Demo1.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/HelloWorld/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b4605794559e96188322b9d4a213422923a336c4
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/HelloWorld/Demo1.java"
@@ -0,0 +1,10 @@
+package com.md.lesson1;
+
+public class HelloWorld {
+
+ public static void main(String[] args) {
+ System.out.println("HelloWorld !!!");
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/\344\270\252\344\272\272\344\273\213\347\273\215/Demo4.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/\344\270\252\344\272\272\344\273\213\347\273\215/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..53261a258195d4cc03dd830de9c69250ca17e875
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/\344\270\252\344\272\272\344\273\213\347\273\215/Demo4.java"
@@ -0,0 +1,52 @@
+package com.md.lesson03;
+
+import java.util.Scanner;
+
+public class 个人介绍 {
+
+ public static void main(String[] args) {
+ String name;
+ int age;
+ String gender;
+ int number;
+ int html;
+ String food;
+
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入您的名字：");
+ name = scanner.next();
+
+ System.out.println("请输入您的年龄：");
+ age = scanner.nextInt();
+
+ System.out.println("请输入您的性别：");
+ gender = scanner.next();
+
+ System.out.println("请输入您的学号：");
+ number = scanner.nextInt();
+
+ System.out.println("请输入您的HTML成绩：");
+ html = scanner.nextInt();
+
+ System.out.println("请输入您最喜欢的食物：");
+ food = scanner.next();
+
+
+
+
+
+ System.out.println("人物的名字是："+name);
+ System.out.println("人物的年龄是："+age);
+ System.out.println("人物的性别是："+gender);
+ System.out.println("人物的学号是："+number);
+ System.out.println("人物的HTML成绩是："+html);
+ System.out.println("人物最喜欢的食物是："+food);
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/\346\270\270\346\210\217\350\213\261\351\233\204/Demo6.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/\346\270\270\346\210\217\350\213\261\351\233\204/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..34b8e1a5063d3299bf8a102a8cfd11bbb0820cab
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/\346\270\270\346\210\217\350\213\261\351\233\204/Demo6.java"
@@ -0,0 +1,54 @@
+package com.md.lesson01;
+
+import java.util.Scanner;
+
+public class calculator {
+ /*
+ 编写程序，定义变量，分别存放游戏中某个英雄的属性信息，
+ 包括：人物角色名（roleName）、生命值（health）、攻击力（damage）
+ 、防御力（defense）、武器加成（weaponScaling）、是否是热门英雄（isHot）。
+ */
+ public static void main(String[] args) {
+ String roleName;
+ long health;
+ int damage;
+ int defense;
+ float weaponScaling;
+ boolean isHot;
+
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入您的英雄名字：");
+ roleName=scanner.next();
+
+ System.out.println("请输入英雄的生命值：");
+ health=scanner.nextLong();
+
+ System.out.println("请输入英雄的攻击力：");
+ damage=scanner.nextInt();
+
+ System.out.println("请输入英雄的防御力：");
+ defense=scanner.nextInt();
+
+ System.out.println("请输入英雄的武器加成：");
+ weaponScaling=scanner.nextFloat();
+
+ System.out.println("请输入英雄是否是热门英雄：");
+ isHot=scanner.nextBoolean();
+
+
+
+
+
+ System.out.println("人物的角色名是："+roleName);
+ System.out.println("人物的生命值是："+health);
+ System.out.println("人物的攻击力是："+damage);
+ System.out.println("人物的防御力是："+defense);
+ System.out.println("人物的武器加成是："+weaponScaling);
+ System.out.println("人物是否是热门英雄："+isHot);
+
+
+
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/First.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/First.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1c2f06459d04b660c119a19ed3b9f14c6c90ce75
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/First.java"
@@ -0,0 +1,12 @@
+
+public class First {
+ public static void main(String[] args) {
+ System.out.println("书店管理销售系统》客户信息系统\n");
+ System.out.println("**************************");
+ System.out.println(" 1.显示所有客户信息");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所有客户信息");
+ System.out.println("**************************");
+ System.out.println("请选择，输入数字或按“n”返回上一级菜单");
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Hello.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Hello.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d1accf84d564986fde7a719a36d791ff34f018e7
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Hello.java"
@@ -0,0 +1,7 @@
+
+public class Hello {
+ public static void main(String[] args){
+ System.out.println("张鑫");
+ System.out.println("18");
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\2531/lesson02.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\2531/lesson02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8311b4b25c3b4ad116ca484f6ad72df78e1f2c3e
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\2531/lesson02.java"
@@ -0,0 +1,38 @@
+package two;
+
+import java.util.Scanner;
+
+public class lesson02 {
+ public static void main(String[] args) {
+ String roleNama;
+ long health;
+ int damage;
+ int defense;
+ float weaponScaling;
+ boolean isHot;
+
+ Scanner scanner = new Scanner(System.in);
+
+
+ System.out.println("人物的角色名是：");
+ roleNama = scanner.next();
+ System.out.println("人物的生命值是：");
+ health = scanner.nextLong();
+ System.out.println("人物的攻击力是：");
+ damage = scanner.nextInt();
+ System.out.println("人物的防御力是：");
+ defense = scanner.nextInt();
+ System.out.println("人物的武器加成是：");
+ weaponScaling = scanner.nextFloat();
+ System.out.println("是否是热门英雄：");
+ isHot = scanner.nextBoolean();
+
+ System.out.println("角色名："+roleNama);
+ System.out.println("生命值："+health);
+ System.out.println("攻击力："+damage);
+ System.out.println("防御力："+defense);
+ System.out.println("武器加成："+weaponScaling);
+ System.out.println("是否："+isHot);
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\2531/lesson03.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\2531/lesson03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..724dec36ad24ec8f293b7759d9cc7ae39012c89e
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\2531/lesson03.java"
@@ -0,0 +1,36 @@
+package two;
+
+import java.util.Scanner;
+
+public class lesson03 {
+
+ public static void main(String[] args) {
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入你的名字：");
+ String name = scanner.next();
+ System.out.println("请输入你的年龄：");
+ String nianliln = scanner.next();
+ System.out.println("请输入你的性别：");
+ String xingbie = scanner.next();
+ System.out.println("请输入你的学号：");
+ String xuehao = scanner.next();
+ System.out.println("请输入你的身高：");
+ String shengao = scanner.next();
+ System.out.println("请输入你的爱好：");
+ String aihao = scanner.next();
+ System.out.println("请输入你的qqwx：");
+ String qqwx = scanner.next();
+ System.out.println("请输入你喜欢的食物：");
+ String xihan = scanner.next();
+
+ System.out.println("名字："+name);
+ System.out.println("年龄："+nianliln);
+ System.out.println("性别："+xingbie);
+ System.out.println("学号："+xuehao);
+ System.out.println("身高："+shengao);
+ System.out.println("爱好："+aihao);
+ System.out.println("qqwx："+qqwx);
+ System.out.println("喜欢的食物："+xihan);
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/my01.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/my01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b5555b5162cee7cbde3965f5596905c4b73e8603
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/my01.java"
@@ -0,0 +1,11 @@
+
+public class my01 {
+
+ public static void main(String[] args) {
+ System.out.println("Hello World");
+ System.out.println("welcome to hofeful");
+ System.out.println("my name is xiaolang");
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/my02.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/my02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..dbb20ec02ae766083686775b4b7c5dd7a9e41fad
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/my02.java"
@@ -0,0 +1,15 @@
+
+public class my02 {
+
+ public static void main(String[] args) {
+ System.out.println("书店管理销售系统》客户信息系统");
+ System.out.println("*******************************");
+ System.out.println("1.显示所有客户信息");
+ System.out.println("2.添加客户信息");
+ System.out.println("3.修改所以客户信息");
+ System.out.println("*******************************");
+ System.out.println("请选择，输入数字或n返回上一级菜单");
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/mylession.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/mylession.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4cc1baa2e6471f1b49a2085423caf9597220ca38
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/mylession.java"
@@ -0,0 +1,40 @@
+package my;
+
+
+import java.util.Scanner;
+
+public class mylession{
+ private static Scanner scanner;
+
+ public static void main(String[] args) {
+ String name;
+ int age;
+ char sex;
+ long ID;
+ float grade ;
+
+
+ scanner = new Scanner(System.in);
+ System.out.println("请输入你的姓名");
+ name = scanner.next();
+ System.out.println("请输入你的年龄");
+ age = scanner.nextInt();
+ System.out.println("请输入你的性别");
+ sex = scanner.next().charAt(0);
+ System.out.println("请输入你的学号");
+ ID = scanner.nextLong();
+ System.out.println("请输入你的HTML成绩");
+ grade = scanner.nextFloat();
+
+ System.out.println("姓名:"+name);
+ System.out.println("年龄:"+age);
+ System.out.println("性别:"+sex);
+ System.out.println("学号:"+ID);
+ System.out.println("HTML成绩:"+grade);
+
+}
+
+
+
+}
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/myname.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/myname.java"
new file mode 100644
index 0000000000000000000000000000000000000000..73177fe6b3543548bdfd7151f2ba25d5c912ccdd
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/myname.java"
@@ -0,0 +1,38 @@
+package my;
+
+import java.util.Scanner;
+
+public class myname {
+
+ public static void main(String[] args) {
+ String roleName;
+ long health;
+ int damage;
+ byte defense;
+ float weaponScaling;
+ boolean isHot;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请选择你的英雄");
+ roleName = scanner.next();
+ System.out.println("生命值");
+ health = scanner.nextLong();
+ System.out.println("攻击力");
+ damage = scanner.nextInt();
+ System.out.println("防御力");
+ defense = scanner.nextByte();
+ System.out.println("武器加成");
+ weaponScaling = scanner.nextFloat();
+ System.out.println("是否热门");
+ isHot = scanner.nextBoolean();
+
+ System.out.println("人物角色名:"+roleName);
+ System.out.println("生命值:"+health);
+ System.out.println("攻击力:"+damage);
+ System.out.println("防御力:"+defense);
+ System.out.println("武器加成:"+weaponScaling);
+ System.out.println("是否是热门英雄:"+isHot);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/lesson01/HellowWorld.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/lesson01/HellowWorld.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b9e5d05c1797537f031f2ed004008d2a6e723840
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/lesson01/HellowWorld.java"
@@ -0,0 +1,14 @@
+package com.md.lesson01;
+
+public class HellowWorld {
+ public static void main(String[] args) {
+ System.out.println("书店管理销售系统>客户信息系统");
+ System.out.println("");
+ System.out.println("*******************************");
+ System.out.println(" 1.显示所有客户信息");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所有客户信息");
+ System.out.println("*******************************");
+ System.out.println("请选择，输入数字或按“n”返回上一级菜单");
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/lesson01/Name.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/lesson01/Name.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6d2ae601881f624a208268e890d883602a59ffaf
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/lesson01/Name.java"
@@ -0,0 +1,10 @@
+package com.md.lesson01;
+
+public class Name {
+ public static void main(String[] args) {
+ System.out.println("Hellow world");
+ System.out.println("Welcome to Hopeful");
+ System.out.println("My name is 小浪");
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/lesson02/demo01.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/lesson02/demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..78b122d8e7ef67a40c1caf2f3777cabab306feee
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/lesson02/demo01.java"
@@ -0,0 +1,49 @@
+package com.md.lesson02;
+/*
+ * 角色名称：roleName、生命值：health、攻击力：damage
+ * 防御力：defense、武器加成：weaponScaling、是否是热门英雄：isHot
+ */
+
+import java.util.Scanner;
+
+public class demo01 {
+
+ public static void main(String[] args) {
+ String rolename = null;
+ long health;
+ int damage;
+ int defense;
+ float weaponScaling;
+ boolean isHot;
+
+ Scanner scanner=new Scanner(System.in);
+
+ System.out.println("请输入你的名字");
+ String name= scanner.next();
+
+ System.out.println("请输入你的生命值");
+ health= scanner.nextLong();
+
+ System.out.println("请输入你的攻击力");
+ damage= scanner.nextInt();
+
+ System.out.println("请输入你的防御力");
+ defense= scanner.nextInt();
+
+ System.out.println("请输入你的防御力");
+ weaponScaling= scanner.nextFloat();
+
+ System.out.println("请输入是否是热门英雄");
+ isHot= scanner.nextBoolean();
+
+
+ System.out.println("人物名称是"+name);
+ System.out.println("人物生命值是"+health);
+ System.out.println("人物攻击力是"+damage);
+ System.out.println("人物防御力是"+defense);
+ System.out.println("人物武器加成是"+weaponScaling);
+ System.out.println("人物是否是热门英雄"+isHot);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/lesson02/demo02.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/lesson02/demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..449024363e040116ec5d25335624a3c8efcb83e4
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/lesson02/demo02.java"
@@ -0,0 +1,35 @@
+package com.md.lesson02;
+
+import java.util.Scanner;
+
+public class demo02 {
+
+ public static void main(String[] args) {
+ String name1;
+ int age;
+ char sex;
+ long number;
+ int achievement;
+
+ Scanner scanner=new Scanner(System.in);
+
+
+ System.out.println("请输入你的名字");
+ String name= scanner.next();
+
+ System.out.println("请输入的年龄");
+ age= scanner.nextInt();
+
+ System.out.println("请输入你的性别");
+ sex= scanner.next().charAt(0);
+
+ System.out.println("请输入你的学号");
+ number= scanner.nextLong();
+
+ System.out.println("请输入你的成绩");
+ achievement= scanner.nextInt();
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/one.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/one.java"
new file mode 100644
index 0000000000000000000000000000000000000000..98b84eb9569f75241756b6f8c409e09325c4ef1f
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/one.java"
@@ -0,0 +1,12 @@
+package lesson1_lab;
+
+public class HelloWorld {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ System.out.println("Hello World!");
+ System.out.println("Welcome to Hopeful");
+ System.out.println("My "+"name "+"is "+"小浪!");
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/two.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/two.java"
new file mode 100644
index 0000000000000000000000000000000000000000..99139d09b423dc50c82dc8bb581fd96f9dd41893
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/two.java"
@@ -0,0 +1,16 @@
+package lesson1_lab;
+
+public class two {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ System.out.println("书店管理销售系统>客户信息系统");
+ System.out.println("******************************************");
+ System.out.println("1.显示所有客户信息");
+ System.out.println("2.添加客户信息");
+ System.out.println("3.修改所有客户信息");
+ System.out.println("******************************************");
+ System.out.println("请选择，输入数字或按‘n’返回上一级菜单");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220\347\254\254\344\272\214\346\254\241\344\275\234\344\270\232/\347\273\203\344\271\240.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220\347\254\254\344\272\214\346\254\241\344\275\234\344\270\232/\347\273\203\344\271\240.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f02871220dc339d1912a5a1c41ba48e21a86bbe0
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220\347\254\254\344\272\214\346\254\241\344\275\234\344\270\232/\347\273\203\344\271\240.java"
@@ -0,0 +1,58 @@
+package lesson2;
+
+import java.util.Scanner;
+
+public class yx {
+
+ public static void main(String[] args) {
+ /*编写程序，定义变量，分别存放游戏中某个英雄的属性信息，
+包括：人物角色名（roleName）、生命值（health）、攻击力（damage）、防御力（defense）、武器加成（weaponScaling）、是否是热门英雄（isHot）。
+打印出来。
+
+这些属性的信息由用户输入。
+
+ *
+ */
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+
+ System.out.println("请输入人物角色名");
+ String roleName= scanner.next();
+
+ System.out.println("请输入生命值");
+ long health= scanner.nextLong();
+
+ System.out.println("请输入攻击力");
+ int damage = scanner.nextInt();
+
+ System.out.println("请输入防御力");
+ int defense= scanner.nextInt();
+
+ System.out.println("请输入武器加成");
+ float weaponScaling= scanner.nextFloat();
+
+ System.out.println("请输入是否是热门英雄");
+ boolean isHot = scanner.nextBoolean();
+
+ System.out.println("英雄的信息如下：");
+
+ System.out.println("人物角色名"+roleName);
+
+ System.out.println("生命值"+health);
+
+ System.out.println("攻击力"+damage);
+
+ System.out.println("防御力"+defense);
+
+ System.out.println("武器加成"+weaponScaling);
+
+ System.out.println("是否是热门英雄"+isHot);
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220\347\254\254\344\272\214\346\254\241\344\275\234\344\270\232/\347\273\203\344\271\2402.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220\347\254\254\344\272\214\346\254\241\344\275\234\344\270\232/\347\273\203\344\271\2402.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fafd293f4442e2b25ae78565a567bd84c81138f9
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220\347\254\254\344\272\214\346\254\241\344\275\234\344\270\232/\347\273\203\344\271\2402.java"
@@ -0,0 +1,35 @@
+package lesson2;
+
+import java.util.Scanner;
+
+import javax.swing.text.html.CSS;
+
+public class xingminglianl {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入你的姓名");
+ String name =scanner.next();
+
+ System.out.println("请输入你的年龄");
+ int age =scanner.nextInt();
+
+ System.out.println("请输入你的性别");
+ String xingbie=scanner.next();
+
+ System.out.println("请输入你的学号");
+ int xuehao =scanner.nextInt();
+
+ System.out.println("请输入你的HTML成绩");
+ int chengji =scanner.nextInt();
+
+ System.out.println("信息如下");
+ System.out.println("你的名字是;"+name);
+ System.out.println("你的年龄是;"+age);
+ System.out.println("你的性别是;"+xingbie);
+ System.out.println("你的学号是;"+xuehao);
+ System.out.println("你的HTML成绩是;"+chengji);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo.java"
new file mode 100644
index 0000000000000000000000000000000000000000..594e714b83acfd41aa6fdeecef6b185897d1a913
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo.java"
@@ -0,0 +1,55 @@
+package com.md.lessione02;
+
+import java.util.Scanner;
+
+public class demo {
+
+
+
+public static void main(String[] args) {
+ String roleName;
+ int health;
+ int damage;
+ int defense;
+ float weaponScaling;
+ boolean isHot;
+
+ Scanner scanner = new Scanner(System.in);
+ roleName=scanner.next();
+ System.out.println("请输入英雄名字：");
+
+
+ health =scanner.nextInt();
+ System.out.println("请输入英雄生命值：");
+
+ damage =scanner.nextInt();
+ System.out.println("请输入英雄攻击力：");
+
+ defense = scanner.nextInt();
+ System.out.println("请输入英雄防御力：");
+
+ weaponScaling =scanner.nextInt();
+ System.out.println("请输入武器加成：");
+
+ isHot = scanner.nextBoolean();
+ System.out.println("是否为热门英雄");
+
+
+
+
+
+
+
+ System.out.println("人物的角色名是:"+roleName);
+ System.out.println("人物的生命值是："+health);
+ System.out.println("人物的攻击力是："+damage);
+ System.out.println("人物的防御力是："+defense);
+ System.out.println("人物的武器加成是："+weaponScaling);
+ System.out.println("是否为热门英雄："+isHot);
+
+
+
+
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo1.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4d06bdfea302f7c5830761107b0d9b3f2768a558
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo1.java"
@@ -0,0 +1,5 @@
+package com.md.lessione02;
+
+public class demo1 {
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/java.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/java.java"
new file mode 100644
index 0000000000000000000000000000000000000000..75fb451941c6c8dba4f38b33a6cabe9e7af56e2b
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/java.java"
@@ -0,0 +1,35 @@
+package demo2;
+
+import java.util.Scanner;
+
+
+public class java {
+ public static void main(String[] args){
+
+ String name;
+ int age;
+
+
+
+
+
+
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入你的名字");
+
+ name = scanner.next();
+
+ System.out.println("你的名字是："+name);
+
+ System.out.println("请输入你的年龄");
+
+ age =scanner.nextInt();
+
+ System.out.println("你的年龄是："+age);
+
+ }
+
+
+}
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/java3.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/java3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..92c50544dec683ed19a44d162116b3d453060149
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/java3.java"
@@ -0,0 +1,20 @@
+package demo2;
+
+public class java3 {
+
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+System.out.println("书店管理销售系统>客户信息系统");
+System.out.println("********************************************************");
+ System.out.println(" 1.显示所有客户信息 ");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所有客户 ");
+System.out.println("********************************************************");
+ System.out.println("请选择，输入数字或按：“n”返回上一级菜单");
+ }
+
+}
+
+
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/hello.\345\256\242\346\210\267/Hello.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/hello.\345\256\242\346\210\267/Hello.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1673621945dc848650cd72dc7d979c4607745afc
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/hello.\345\256\242\346\210\267/Hello.java"
@@ -0,0 +1,12 @@
+package dong;
+
+public class Hello {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ System.out.println("Hello world");
+ System.out.println("Welcome to Hopeful ! ");
+ System.out.println("My"+"name"+"is"+"小浪");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/hello.\345\256\242\346\210\267/HelloWorld.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/hello.\345\256\242\346\210\267/HelloWorld.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c104bcde2458f79551140a8c3c0ac17a3452fcc0
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/hello.\345\256\242\346\210\267/HelloWorld.java"
@@ -0,0 +1,9 @@
+package dong;
+
+public class HelloWorld {
+ public static void main(String[] args){
+ System.out.println("Hello World\n !!!");
+ System.out.println("欢迎你！!");
+}
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/hello.\345\256\242\346\210\267/\345\256\242\346\210\267.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/hello.\345\256\242\346\210\267/\345\256\242\346\210\267.java"
new file mode 100644
index 0000000000000000000000000000000000000000..460435bc47b1b1b372943d579a4e74e4f4be70f0
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/hello.\345\256\242\346\210\267/\345\256\242\346\210\267.java"
@@ -0,0 +1,15 @@
+package dong;
+
+public class 客户 {
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ System.out.println("书店管理销售系统>客户信息系统");
+ System.out.println("*******************************************");
+ System.out.println(" 1.显示客户所有信息 ");
+ System.out.println(" 2.添加客户信息 ");
+ System.out.println(" 2.修改所有客户信息 ");
+ System.out.println("*******************************************");
+ System.out.println("请选择，输入数字或按“n”返回上一级菜单");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\350\213\261\351\233\204\344\272\272\347\211\251\357\274\232\351\233\205\345\205\270\345\250\234/\345\271\264\351\276\204.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\350\213\261\351\233\204\344\272\272\347\211\251\357\274\232\351\233\205\345\205\270\345\250\234/\345\271\264\351\276\204.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f1aaa38a400ad6a88cf0a0012097cf7a274d2310
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\350\213\261\351\233\204\344\272\272\347\211\251\357\274\232\351\233\205\345\205\270\345\250\234/\345\271\264\351\276\204.java"
@@ -0,0 +1,43 @@
+package dong;
+
+import java.util.Scanner;
+
+public class 年龄 {
+
+ public static void main(String[] args) {
+ String name;
+ long ege;
+ String sex;
+ long StudentNumber;
+ int achievement;
+
+ Scanner scanner = new Scanner (System.in);
+ System.out.println("请你的名字：");
+ name = scanner.next();
+
+ System.out.println("请输入你的年龄：");
+ ege = scanner.nextLong();
+
+ System.out.println("请输入你的性别");
+ name = scanner.next();
+
+ System.out.println("请输入你的学号");
+ ege = scanner.nextLong();
+
+ System.out.println("请输入你的成绩");
+ achievement = scanner.nextInt();
+
+
+
+
+
+
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\350\213\261\351\233\204\344\272\272\347\211\251\357\274\232\351\233\205\345\205\270\345\250\234/\351\233\205\345\205\270\345\250\234.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\350\213\261\351\233\204\344\272\272\347\211\251\357\274\232\351\233\205\345\205\270\345\250\234/\351\233\205\345\205\270\345\250\234.java"
new file mode 100644
index 0000000000000000000000000000000000000000..084471c0ffbb7827c5f3406b65800b75f57abfe2
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\350\213\261\351\233\204\344\272\272\347\211\251\357\274\232\351\233\205\345\205\270\345\250\234/\351\233\205\345\205\270\345\250\234.java"
@@ -0,0 +1,62 @@
+package dong;
+
+import java.util.Scanner;
+
+public class 雅典娜 {
+
+ public static void main(String[] args) {
+ String roleName;
+ long health;
+ long damage;
+ long defense;
+ float weaponScaling;
+ boolean isHot;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入英雄的名字：");
+ roleName = scanner.next();
+
+
+
+ System.out.println("请输入英雄的生命值：");
+ health = scanner.nextLong();
+
+
+
+
+ System.out.println("请输入英雄的攻击力：");
+ damage = scanner.nextLong();
+
+
+ System.out.println("请输入英雄的防御力：");
+ defense = scanner.nextLong();
+
+
+ System.out.println("请输入英雄的武器加成：");
+ weaponScaling = scanner.nextFloat();
+
+ System.out.println("英雄是否热门：");
+ isHot =scanner.nextBoolean();
+
+
+
+
+
+
+
+
+
+
+ System.out.println("人物角色名字是："+ roleName);
+ System.out.println("人物生命值是："+ health);
+ System.out.println("人物攻击力是："+ damage);
+ System.out.println("人物防御力是："+ defense);
+ System.out.println("人物武器加成是："+ weaponScaling);
+ System.out.println("是否是热门英雄是："+isHot);
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/\347\254\254\344\270\200\346\254\241/Kehu.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/\347\254\254\344\270\200\346\254\241/Kehu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f01dc3ee00b4c26632f72b3c2e2802fc55b91995
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/\347\254\254\344\270\200\346\254\241/Kehu.java"
@@ -0,0 +1,13 @@
+package lessues1;
+
+public class Kehu {
+ public static void main (String[] args) {
+ System.out.println("书店管理销售系统 > 客户信息系统\n");
+ System.out.println("******************************************");
+ System.out.println(" 1.显示所有客户信息");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所有客户信息");
+ System.out.println("******************************************");
+ System.out.println("请选择，输入数字或按“n”返回上一级菜单");
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/\347\254\254\344\270\200\346\254\241/Xinxi.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/\347\254\254\344\270\200\346\254\241/Xinxi.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ab7948a26e61c82321df8850749e87eb1b65e215
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/\347\254\254\344\270\200\346\254\241/Xinxi.java"
@@ -0,0 +1,8 @@
+package lessues1;
+
+public class Xinxi {
+ public static void main (String[] args) {
+ System.out.println("姓名：杨帆");
+ System.out.println("年龄：18岁");
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/\347\254\254\344\272\214\346\254\241/Demo1.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/\347\254\254\344\272\214\346\254\241/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..12c0a5eba04f97c12697737997828b35ea6234c5
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/\347\254\254\344\272\214\346\254\241/Demo1.java"
@@ -0,0 +1,31 @@
+package com.lession;
+
+import java.util.Scanner;
+
+public class Def {
+ public static void main (String [] args) {
+ String name ;
+ int age ;
+ String sex ;
+ long xuehao ;
+ float chengji;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.print("请输入姓名：");
+ name = scanner.next();
+ System.out.print("请输入年龄：");
+ age = scanner.nextInt();
+ System.out.print("请输入性别：");
+ sex = scanner.next();
+ System.out.print("请输入学号：");
+ xuehao = scanner.nextLong();
+ System.out.print("请输入HTML成绩：");
+ chengji = scanner.nextFloat();
+
+ System.out.println("人物姓名：" + name);
+ System.out.println("年龄：" + age);
+ System.out.println("性别：" + sex);
+ System.out.println("学号：" + xuehao);
+ System.out.println("请输入HTML成绩：" + chengji);
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/\347\254\254\344\272\214\346\254\241/\344\272\272\347\211\251\345\261\236\346\200\247.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/\347\254\254\344\272\214\346\254\241/\344\272\272\347\211\251\345\261\236\346\200\247.java"
new file mode 100644
index 0000000000000000000000000000000000000000..535abebd88ae6c4c5ab8c1142b67b3dd6fbc89bf
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/\347\254\254\344\272\214\346\254\241/\344\272\272\347\211\251\345\261\236\346\200\247.java"
@@ -0,0 +1,35 @@
+package com.lession;
+
+import java.util.Scanner;
+
+public class Abc {
+ public static void main (String [] args) {
+ String name ;
+ long health ;
+ int damage ;
+ int defense ;
+ float weaponScaling;
+ boolean isHot;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.print("请输入姓名：");
+ name = scanner.next();
+ System.out.print("请输入生命值：");
+ health = scanner.nextLong();
+ System.out.print("请输入攻击力：");
+ damage = scanner.nextInt();
+ System.out.print("请输入防御力：");
+ defense = scanner.nextInt();
+ System.out.print("请输入武器加成：");
+ weaponScaling = scanner.nextFloat();
+ System.out.print("是否是热门英雄：");
+ isHot = scanner.nextBoolean();
+
+ System.out.println("人物姓名：" + name);
+ System.out.println("人物生命值：" + health);
+ System.out.println("人物攻击力：" + damage);
+ System.out.println("人物防御力：" + defense);
+ System.out.println("武器加成：" + weaponScaling);
+ System.out.println("是否是热门英雄：" + isHot);
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/gerenxinxi.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/gerenxinxi.java"
new file mode 100644
index 0000000000000000000000000000000000000000..59c09df2359652f4b2b5d86fbd4a7d4f34b35428
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/gerenxinxi.java"
@@ -0,0 +1,34 @@
+package lesson3;
+import java.util.Scanner;
+
+public class gerenxinxi {
+
+ public static void main(String[] args) {
+ String Name = "张三";
+ long years = 20;
+ String xingbie = "男";
+ int xeuhao = 90;
+ long HTMLexam = 140;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入名字：");
+ Name = scanner.next();
+ System.out.println("请输入年龄：");
+ years = scanner.nextLong();
+ System.out.println("请输入性别：");
+ xingbie = scanner.next();
+ System.out.println("请输入学号：");
+ xeuhao = scanner.nextInt();
+ System.out.println("请输入HTML成绩：");
+ HTMLexam = scanner.nextLong();
+
+
+ System.out.println("姓名："+Name);
+ System.out.println("年龄："+years);
+ System.out.println("性别："+xingbie);
+ System.out.println("学号："+xeuhao);
+ System.out.println("HTML成绩："+HTMLexam);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson1.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..227ae9c6e89da2f1ee614c1456c43f827327452f
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson1.java"
@@ -0,0 +1,14 @@
+
+public class lesson1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ System.out.println("Hello world!");
+ System.out.println("Welcome to hopeful!");
+ System.out.println("My " + "Name " + "is " + "小滚!");
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson2.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ac491262ce64738c80ca454640ad55bdb74f6ada
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson2.java"
@@ -0,0 +1,17 @@
+
+public class lesson2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ System.out.println("书店管理销售系统>客户信息系统");
+ System.out.println(" ");
+ System.out.println("*************************");
+ System.out.println("1.显示所有客户信息");
+ System.out.println("2.添加客户信息");
+ System.out.println("3.修改所有客户信息");
+ System.out.println("*************************");
+ System.out.println("请选择，输入数字或按“n”返回上一级菜单");
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/yingxiong.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/yingxiong.java"
new file mode 100644
index 0000000000000000000000000000000000000000..82027baeca1118a3099fa055372c03a06e92c7d1
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/yingxiong.java"
@@ -0,0 +1,39 @@
+package lesson3;
+import java.util.Scanner;
+
+public class yingxiong {
+
+ public static void main(String[] args) {
+
+ String roleName = "雅典娜";
+ long health = 3000;
+ int damage = 150;
+ int defense = 90;
+ float weaponScaling = 0.3f;
+ boolean isHot = false;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入英雄的名字：");
+ roleName = scanner.next();
+ System.out.println("请输入英雄的生命值：");
+ health = scanner.nextLong();
+ System.out.println("请输入英雄的攻击力：");
+ damage = scanner.nextInt();
+ System.out.println("请输入英雄的防御力：");
+ defense = scanner.nextInt();
+ System.out.println("请输入英雄的武器加成：");
+ weaponScaling = scanner.nextFloat();
+ System.out.println("请输入是否热门英雄：");
+ isHot = scanner.nextBoolean();
+
+
+ System.out.println("人物角色名是："+roleName);
+ System.out.println("人物生命值是："+health);
+ System.out.println("人物攻击力是："+damage);
+ System.out.println("人物防御力是："+defense);
+ System.out.println("武器加成是："+weaponScaling);
+ System.out.println("是否是热门英雄："+isHot);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/lession2Demo1.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/lession2Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e35d8e34a42ccbd8b5988cdc56a421dd366c7443
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/lession2Demo1.java"
@@ -0,0 +1,15 @@
+package lesson1;
+
+import java.util.Scanner;
+
+public class lession2Demo1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner();
+ System.out.println("请输入你的名字");
+ String name="";
+ System.out.println("");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/yingxiong.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/yingxiong.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d297e4c1463565c1681a1c8d7121eb53772d139e
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/yingxiong.java"
@@ -0,0 +1,50 @@
+package lesson1;
+
+import java.util.Scanner;
+
+public class yingxiong {
+/*
+ * 编写程序，定义变量，分别存放游戏中某个英雄的属性信息，
+包括：人物角色名（roleName）、生命值（health）、攻击力（damage）
+、防御力（defense）、武器加成（weaponScaling）、是否是热门英雄（isHot）。
+
+这些属性的信息由用户输入。
+
+ */
+ public static void main(String[] args) {
+ String roleName;
+ long health;
+ int damage;
+ int defense;
+ float weaponScaling;
+ boolean isHot;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入英雄的名字:");
+ roleName = scanner.next();
+
+ System.out.println("请输入英雄的生命值:");
+ health= scanner.nextLong();
+
+ System.out.println("请输入英雄的攻击力");
+ damage= scanner.nextInt();
+
+ System.out.println("请输入英雄的防御力");
+ defense= scanner.nextInt();
+
+ System.out.println("请输入英雄的武器加成");
+ weaponScaling= scanner.nextFloat();
+
+ System.out.println("请输入是否热门英雄");
+ isHot= scanner.nextBoolean();
+
+ System.out.println("英雄的信息如下:");
+ System.out.println("人物角色名是："+roleName);
+ System.out.println("人物生命值是："+health);
+ System.out.println("人物攻击力是："+damage);
+ System.out.println("人物防御力是："+defense);
+ System.out.println("武器加成是："+weaponScaling);
+ System.out.println("是否是热门英雄："+isHot);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/ziwojieshao.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/ziwojieshao.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0bd5561ea5be7b49866b9e533cb3830481be98b2
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/ziwojieshao.java"
@@ -0,0 +1,30 @@
+package lesson1;
+
+import java.util.Scanner;
+
+public class ziwojieshao {
+
+ public static void main(String[] args) {
+ String roleName;
+ long nianlin;
+ long xuehao;
+ int chengji;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入姓名:");
+ roleName = scanner.next();
+
+ System.out.println("请输入年龄:");
+ nianlin = scanner.nextLong();
+
+ System.out.println("请输入性别:");
+ char sex = scanner.next().charAt(0);
+
+ System.out.println("请输入学号:");
+ xuehao = scanner.nextLong();
+
+ System.out.println("HTML成绩:");
+ chengji = scanner.nextInt();
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d40902bc4cb66ae05c644deca87211c6ab21e903
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang.java"
@@ -0,0 +1,9 @@
+package com.liang.lession01;
+
+public class liang01 {public static void main(String[] args){
+ System.out.println("HelloWorld");
+ System.out.println("Welcom to China");
+ System.out.println("My"+"name"+"is"+"xiaolang");
+}
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/welcom.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/welcom.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2e99cc0e1fd68a3190533f7aeaf6337a85131c46
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/welcom.java"
@@ -0,0 +1,17 @@
+package welcom1.eclipse;
+
+public class welcom {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ System.out.println("涔﹀簵绠＄悊閿鍞郴缁>瀹㈡埛淇℃伅绯荤粺");
+ System.out.println();
+ System.out.println("*************************************************");
+ System.out.println(" 1.鏄剧ず鎵鏈夊鎴蜂俊鎭");
+ System.out.println(" 2.娣诲姞瀹㈡埛淇℃伅");
+ System.out.println(" 3.淇敼鎵鏈夊鎴蜂俊鎭");
+ System.out.println("*************************************************");
+ System.out.println("璇烽夋嫨锛岃緭鍏ユ暟瀛楁垨鎸夆淎鈥濇斁鍥炰笂涓绾ц彍鍗");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/\350\213\261\351\233\204\344\275\234\344\270\232/hero002.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/\350\213\261\351\233\204\344\275\234\344\270\232/hero002.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fd0bc4e6f3fb85eabd15a97e553feb513f18a73c
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/\350\213\261\351\233\204\344\275\234\344\270\232/hero002.java"
@@ -0,0 +1,44 @@
+package lll;
+
+import java.util.Scanner;
+
+public class hero002 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ String roleName;
+ long health;
+ int dammage;
+ int defense;
+ double weaponScaling;
+ boolean ishoot;
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.print("请输入英雄名");
+ roleName =scanner.next();
+
+ System.out.print("请输入生命值");
+ health =scanner.nextLong();
+
+ System.out.print("请输入攻击力");
+ dammage =scanner.nextInt();
+
+ System.out.print("请输入防御力");
+ defense =scanner.nextInt();
+
+ System.out.print("请输入武器加成");
+ weaponScaling =scanner.nextDouble();
+
+ System.out.print("请输入是否是热门英雄");
+ ishoot =scanner.nextBoolean();
+
+ System.out.println("英雄名"+roleName);
+ System.out.println("生命值"+health);
+ System.out.println("攻击力"+dammage);
+ System.out.println("防御力"+defense);
+ System.out.println("武器加成"+weaponScaling);
+ System.out.println("是否是热门英雄"+ishoot);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/\350\213\261\351\233\204\344\275\234\344\270\232/students001.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/\350\213\261\351\233\204\344\275\234\344\270\232/students001.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4cbbb2adf3184cb384cf16b126f1a7c3a764a5c0
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/\350\213\261\351\233\204\344\275\234\344\270\232/students001.java"
@@ -0,0 +1,50 @@
+package lll;
+
+import java.util.Scanner;
+
+public class students001 {
+ public static void main(String[] args) {
+
+ String name;
+ byte age;
+ String gender;
+ int achievement;
+ int height;
+ int weight;
+ String food;
+
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.print("你的姓名");
+ name =scanner.next();
+
+ System.out.print("年龄");
+ age =scanner.nextByte();
+
+ System.out.print("性别");
+ gender =scanner.next();
+
+ System.out.print("HTML成绩");
+ achievement =scanner.hashCode();
+
+ System.out.print("身高");
+ height =scanner.nextInt();
+
+ System.out.print("体重");
+ weight =scanner.nextInt();
+
+ System.out.print("喜欢的食物");
+ food =scanner.next();
+
+
+ System.out.println("你的姓名"+name);
+ System.out.println("年龄"+age);
+ System.out.println("性别"+gender);
+ System.out.println("HTML成绩"+achievement);
+ System.out.println("身高"+height);
+ System.out.println("体重"+weight);
+ System.out.println("喜欢的食物"+food);
+
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2371/HelloWorld.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2371/HelloWorld.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fb0e21b9b81a1b6ad01b74ec05a15f102d82923d
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2371/HelloWorld.java"
@@ -0,0 +1,10 @@
+package qwce;
+
+public class HelloWorld {
+ public static void main(String[] args){
+ System.out.println("蔡东生");
+ System.out.println("18");
+}
+
+}
+
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2371/Shudian.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2371/Shudian.java"
new file mode 100644
index 0000000000000000000000000000000000000000..439e7ba80a7ec07772ee060188596bd87a7ff9b7
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2371/Shudian.java"
@@ -0,0 +1,15 @@
+package qwce;
+
+public class Shudian {
+ public static void main(String[] args){
+ System.out.println("书店管理销售系统》客户信息系统");
+ System.out.println("");
+ System.out.println("*********************************");
+ System.out.println(" 1.显示所有客户信息");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所有客户信息");
+ System.out.println("*********************************");
+ System.out.println("请选择，输入数字或按“n”返回上一级菜单");
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2371/Xingminglianl.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2371/Xingminglianl.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0678bddaa2748624d0167140559dce8a836a618c
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2371/Xingminglianl.java"
@@ -0,0 +1,35 @@
+package lesson2;
+
+import java.util.Scanner;
+
+import javax.swing.text.html.CSS;
+
+public class Xingminglianl {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入你的姓名");
+ String name =scanner.next();
+
+ System.out.println("请输入你的年龄");
+ int age =scanner.nextInt();
+
+ System.out.println("请输入你的性别");
+ String xingbie=scanner.next();
+
+ System.out.println("请输入你的学号");
+ int xuehao =scanner.nextInt();
+
+ System.out.println("请输入你的HTML成绩");
+ int chengji =scanner.nextInt();
+
+ System.out.println("信息如下");
+ System.out.println("你的名字是;"+name);
+ System.out.println("你的年龄是;"+age);
+ System.out.println("你的性别是;"+xingbie);
+ System.out.println("你的学号是;"+xuehao);
+ System.out.println("你的HTML成绩是;"+chengji);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2371/Yx.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2371/Yx.java"
new file mode 100644
index 0000000000000000000000000000000000000000..180e4c49edad4a1499376399eacfd55c4e928252
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2371/Yx.java"
@@ -0,0 +1,58 @@
+package lesson2;
+
+import java.util.Scanner;
+
+public class Yx {
+
+ public static void main(String[] args) {
+ /*编写程序，定义变量，分别存放游戏中某个英雄的属性信息，
+包括：人物角色名（roleName）、生命值（health）、攻击力（damage）、防御力（defense）、武器加成（weaponScaling）、是否是热门英雄（isHot）。
+打印出来。
+
+这些属性的信息由用户输入。
+
+ *
+ */
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+
+ System.out.println("请输入人物角色名");
+ String roleName= scanner.next();
+
+ System.out.println("请输入生命值");
+ long health= scanner.nextLong();
+
+ System.out.println("请输入攻击力");
+ int damage = scanner.nextInt();
+
+ System.out.println("请输入防御力");
+ int defense= scanner.nextInt();
+
+ System.out.println("请输入武器加成");
+ float weaponScaling= scanner.nextFloat();
+
+ System.out.println("请输入是否是热门英雄");
+ boolean isHot = scanner.nextBoolean();
+
+ System.out.println("英雄的信息如下：");
+
+ System.out.println("人物角色名"+roleName);
+
+ System.out.println("生命值"+health);
+
+ System.out.println("攻击力"+damage);
+
+ System.out.println("防御力"+defense);
+
+ System.out.println("武器加成"+weaponScaling);
+
+ System.out.println("是否是热门英雄"+isHot);
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/HelloWorld.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/HelloWorld.java"
new file mode 100644
index 0000000000000000000000000000000000000000..37ed8f25253cbc2d7c70ee1be5fa7bf774f5aa59
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/HelloWorld.java"
@@ -0,0 +1,36 @@
+package dsfsdf;
+
+import java.io.PrintStream;
+import java.util.Scanner;
+
+public class HelloWorld {
+
+ private static int age;
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ String name;//姓名
+ int aga;//年龄
+ float weight;//体重
+ //创建 Scanner
+ Scanner scanner = new Scanner(System.in);
+ //接收姓名
+ System.out.print("请输入姓名：");
+ name =scanner.next();
+ //接收年龄
+ System.out.print("请输入年龄: ");
+ age =scanner.nextInt();
+ //接收体重
+ System.out.print("请输入体重: ");
+ weight=scanner.nextInt();
+ //输出信息
+ System.out.print("my name is" +name);
+ System.out.print("my age is" +age);
+ System.out.print("my weight is" +weight);
+
+
+
+
+
+}
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/java\343\200\202\345\220\215\345\255\227/Ab.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/java\343\200\202\345\220\215\345\255\227/Ab.java"
new file mode 100644
index 0000000000000000000000000000000000000000..37ed8f25253cbc2d7c70ee1be5fa7bf774f5aa59
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/java\343\200\202\345\220\215\345\255\227/Ab.java"
@@ -0,0 +1,36 @@
+package dsfsdf;
+
+import java.io.PrintStream;
+import java.util.Scanner;
+
+public class HelloWorld {
+
+ private static int age;
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ String name;//姓名
+ int aga;//年龄
+ float weight;//体重
+ //创建 Scanner
+ Scanner scanner = new Scanner(System.in);
+ //接收姓名
+ System.out.print("请输入姓名：");
+ name =scanner.next();
+ //接收年龄
+ System.out.print("请输入年龄: ");
+ age =scanner.nextInt();
+ //接收体重
+ System.out.print("请输入体重: ");
+ weight=scanner.nextInt();
+ //输出信息
+ System.out.print("my name is" +name);
+ System.out.print("my age is" +age);
+ System.out.print("my weight is" +weight);
+
+
+
+
+
+}
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/java\343\200\202\345\220\215\345\255\227/HelloWorld.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/java\343\200\202\345\220\215\345\255\227/HelloWorld.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6bd78b096f08df0c8ec7187886ae348348fd0081
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/java\343\200\202\345\220\215\345\255\227/HelloWorld.java"
@@ -0,0 +1,41 @@
+package fgtfg;
+
+import java.util.Scanner;
+
+public class HelloWorld {
+
+ public static void main(String[] args) {
+ String roleName;
+ long health;
+ int damage;
+ int efense;
+ float weaponScaling;
+ double isHot;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.print("请输入英雄人物名是: ");
+ roleName=scanner.next();
+ System.out.print("请输入英雄生命值是: ");
+ health=scanner.nextInt();
+ System.out.print("请输入英雄攻击力是: ");
+ damage=scanner.nextInt();
+ System.out.print("请输入英雄防御力是: ");
+ efense=scanner.nextInt();
+ System.out.print("请输入英雄武器加成是: ");
+ weaponScaling =scanner.nextInt();
+ System.out.print("请输入英雄是否热门英雄: ");
+ isHot =scanner.nextInt();
+
+
+ System.out.println("英雄人物名是: +roleName");
+ System.out.println("英雄生命值是: +health");
+ System.out.println("英雄攻击力是: +damage");
+ System.out.println("英雄防御力是: +efense");
+ System.out.println("英雄武器加成是: +weaponScaling");
+ System.out.println("英雄是否热门英雄:" +isHot);
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/HelloMuice.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/HelloMuice.java"
new file mode 100644
index 0000000000000000000000000000000000000000..80cd25adc1220305674c4d7d8ee272b492b2871b
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/HelloMuice.java"
@@ -0,0 +1,10 @@
+
+public class HelloMuice {
+ public static void main(String[] args){
+ System.out.println("Hello World !!!");
+ System.out.println("Hello I'm Form HeNan ");
+ System.out.println("Hello My Name Is WangYiFei");
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\344\275\234\344\270\232.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\344\275\234\344\270\232.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4569a64d9fda5bdc8a1a1cc991dfb663ddc3d576
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\344\275\234\344\270\232.java"
@@ -0,0 +1,17 @@
+
+public class 作业 {
+ public static void main(String[] args){
+ System.out.println("书店管理系统>客户信息系统");
+ System.out.println(" ");
+ System.out.println("********************************************* ");
+ System.out.println(" 1.显示所有客户信息");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所有客户信息");
+ System.out.println("********************************************* ");
+ System.out.println(" ");
+ System.out.println("请选择，输入数字或按‘n’返回上一级");
+
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\345\255\246\347\224\237\347\256\200\344\273\213.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\345\255\246\347\224\237\347\256\200\344\273\213.java"
new file mode 100644
index 0000000000000000000000000000000000000000..171907f09b8a0a560fdd9ef97cb8995dd609841c
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\345\255\246\347\224\237\347\256\200\344\273\213.java"
@@ -0,0 +1,33 @@
+package hello;
+
+import java.util.Scanner;
+
+public class 学生简介 {
+ public static void main(String[] args) {
+ int name =0;
+ int year = 0;
+ int genter = 0;
+ int studentnumber = 0;
+ int performance = 0;
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("姓名:");
+ Object roleName = scanner.next();
+
+ System.out.println("年龄:");
+ Object health = scanner.nextLong();
+
+ System.out.println("性别");
+ Object damage = scanner.nextInt();
+
+ System.out.println("学号");
+ Object defense = scanner.nextInt();
+
+ System.out.println("成绩");
+ Object defense1 = scanner.nextInt();
+
+ System.out.println("姓名：" + name);
+ System.out.println("年龄：" + year);
+ System.out.println("性别：" + genter);
+ System.out.println("学号：" + studentnumber);
+ System.out.println("成绩" + performance);
+ }}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\270\270\346\210\217\350\247\222\350\211\262.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\270\270\346\210\217\350\247\222\350\211\262.java"
new file mode 100644
index 0000000000000000000000000000000000000000..16972cb23f61369b9b5ba44b94e671b37a3f5831
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\270\270\346\210\217\350\247\222\350\211\262.java"
@@ -0,0 +1,47 @@
+package hello;
+
+import java.util.Scanner;
+
+public class world {
+ public static void main(String[] args) {
+ String roleName;
+ long health;
+ int damage;
+ int defense;
+ float weaponScaling;
+ boolean isHot;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入人物角色名:");
+ roleName = scanner.next();
+
+ System.out.println("请输入生命值:");
+ health = scanner.nextLong();
+
+ System.out.println("请输入攻击力");
+ damage = scanner.nextInt();
+
+ System.out.println("请输入防御力");
+ defense = scanner.nextInt();
+
+ System.out.println("请输入武器加成");
+ weaponScaling = scanner.nextFloat();
+
+ System.out.println("英雄是否热门");
+ isHot = scanner.nextBoolean();
+
+ System.out.println("英雄的信息如下");
+ System.out.println("人物的角色名是：" + roleName);
+ System.out.println("人物的生命值是：" + health);
+ System.out.println("人物的攻击力是：" + damage);
+ System.out.println("任务的防御力是：" + defense);
+ System.out.println("人物武器加成" + weaponScaling);
+ System.out.println("是否为热门英雄：" + isHot);
+
+
+
+ }
+
+
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/HelloWorld.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/HelloWorld.java"
new file mode 100644
index 0000000000000000000000000000000000000000..34817e064b5c28f9cff3c72f3ca0f38554606b53
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/HelloWorld.java"
@@ -0,0 +1,10 @@
+package qwce;
+
+public class HelloWorld {
+ public static void main(String[] args){
+ System.out.println("罗浪子");
+ System.out.println("19");
+}
+
+}
+
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Xml.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Xml.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a0e99c50feb8f122376be7684d3fb5b33f50d970
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Xml.java"
@@ -0,0 +1,35 @@
+package lesson2;
+
+import java.util.Scanner;
+
+import javax.swing.text.html.CSS;
+
+public class Xml{
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入你的姓名");
+ String name =scanner.next();
+
+ System.out.println("请输入你的年龄");
+ int age =scanner.nextInt();
+
+ System.out.println("请输入你的性别");
+ String xingbie=scanner.next();
+
+ System.out.println("请输入你的学号");
+ int xuehao =scanner.nextInt();
+
+ System.out.println("请输入你的HTML成绩");
+ int chengji =scanner.nextInt();
+
+ System.out.println("信息如下");
+ System.out.println("你的名字是;"+name);
+ System.out.println("你的年龄是;"+age);
+ System.out.println("你的性别是;"+xingbie);
+ System.out.println("你的学号是;"+xuehao);
+ System.out.println("你的HTML成绩是;"+chengji);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Yx.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Yx.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1700e41c3de5632ac081d022db55cfdac77a7ce6
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Yx.java"
@@ -0,0 +1,58 @@
+package lesson2;
+
+import java.util.Scanner;
+
+public class Yx {
+
+ public static void main(String[] args) {
+ /*编写程序，定义变量，分别存放游戏中某个英雄的属性信息，
+包括：人物角色名（roleName）、生命值（health）、攻击力（damage）、防御力（defense）、武器加成（weaponScaling）、是否是热门英雄（isHot）。
+打印出来。
+
+这些属性的信息由用户输入。
+
+ *
+ */
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+
+ System.out.println("请输入人物角色名");
+ String roleName= scanner.next();
+
+ System.out.println("请输入生命值");
+ long health= scanner.nextLong();
+
+ System.out.println("请输入攻击力");
+ int damage = scanner.nextInt();
+
+ System.out.println("请输入防御力");
+ int defense= scanner.nextInt();
+
+ System.out.println("请输入武器加成");
+ float weaponScaling= scanner.nextFloat();
+
+ System.out.println("请输入是否是热门1英雄");
+ boolean isHot = scanner.nextBoolean();
+
+ System.out.println("英雄的信息如下：");
+
+ System.out.println("人物角色名"+roleName);
+
+ System.out.println("生命值"+health);
+
+ System.out.println("攻击力"+damage);
+
+ System.out.println("防御力"+defense);
+
+ System.out.println("武器加成"+weaponScaling);
+
+ System.out.println("是否是热门英雄"+isHot);
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Yxxx.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Yxxx.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3e666a135e6bad2bb28556c7370056a42c85c9f8
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Yxxx.java"
@@ -0,0 +1,58 @@
+package lesson2;
+
+import java.util.Scanner;
+
+public class Yxxx {
+
+ public static void main(String[] args) {
+ /*编写程序，定义变量，分别存放游戏中某个英雄的属性信息，
+包括：人物角色名（roleName）、生命值（health）、攻击力（damage）、防御力（defense）、武器加成（weaponScaling）、是否是热门英雄（isHot）。
+打印出来。
+
+这些属性的信息由用户输入。
+
+ *
+ */
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+
+ System.out.println("请输入人物角色名");
+ String roleName= scanner.next();
+
+ System.out.println("请输入生命值");
+ long health= scanner.nextLong();
+
+ System.out.println("请输入攻击力");
+ int damage = scanner.nextInt();
+
+ System.out.println("请输入防御力");
+ int defense= scanner.nextInt();
+
+ System.out.println("请输入武器加成");
+ float weaponScaling= scanner.nextFloat();
+
+ System.out.println("请输入是否是热门1英雄");
+ boolean isHot = scanner.nextBoolean();
+
+ System.out.println("英雄的信息如下：");
+
+ System.out.println("人物角色名"+roleName);
+
+ System.out.println("生命值"+health);
+
+ System.out.println("攻击力"+damage);
+
+ System.out.println("防御力"+defense);
+
+ System.out.println("武器加成"+weaponScaling);
+
+ System.out.println("是否是热门英雄"+isHot);
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/HelloWorld.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/HelloWorld.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fb0e21b9b81a1b6ad01b74ec05a15f102d82923d
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/HelloWorld.java"
@@ -0,0 +1,10 @@
+package qwce;
+
+public class HelloWorld {
+ public static void main(String[] args){
+ System.out.println("蔡东生");
+ System.out.println("18");
+}
+
+}
+
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Shudian.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Shudian.java"
new file mode 100644
index 0000000000000000000000000000000000000000..439e7ba80a7ec07772ee060188596bd87a7ff9b7
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Shudian.java"
@@ -0,0 +1,15 @@
+package qwce;
+
+public class Shudian {
+ public static void main(String[] args){
+ System.out.println("书店管理销售系统》客户信息系统");
+ System.out.println("");
+ System.out.println("*********************************");
+ System.out.println(" 1.显示所有客户信息");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所有客户信息");
+ System.out.println("*********************************");
+ System.out.println("请选择，输入数字或按“n”返回上一级菜单");
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Xingminglianl.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Xingminglianl.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0678bddaa2748624d0167140559dce8a836a618c
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Xingminglianl.java"
@@ -0,0 +1,35 @@
+package lesson2;
+
+import java.util.Scanner;
+
+import javax.swing.text.html.CSS;
+
+public class Xingminglianl {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入你的姓名");
+ String name =scanner.next();
+
+ System.out.println("请输入你的年龄");
+ int age =scanner.nextInt();
+
+ System.out.println("请输入你的性别");
+ String xingbie=scanner.next();
+
+ System.out.println("请输入你的学号");
+ int xuehao =scanner.nextInt();
+
+ System.out.println("请输入你的HTML成绩");
+ int chengji =scanner.nextInt();
+
+ System.out.println("信息如下");
+ System.out.println("你的名字是;"+name);
+ System.out.println("你的年龄是;"+age);
+ System.out.println("你的性别是;"+xingbie);
+ System.out.println("你的学号是;"+xuehao);
+ System.out.println("你的HTML成绩是;"+chengji);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Yx.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Yx.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1700e41c3de5632ac081d022db55cfdac77a7ce6
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Yx.java"
@@ -0,0 +1,58 @@
+package lesson2;
+
+import java.util.Scanner;
+
+public class Yx {
+
+ public static void main(String[] args) {
+ /*编写程序，定义变量，分别存放游戏中某个英雄的属性信息，
+包括：人物角色名（roleName）、生命值（health）、攻击力（damage）、防御力（defense）、武器加成（weaponScaling）、是否是热门英雄（isHot）。
+打印出来。
+
+这些属性的信息由用户输入。
+
+ *
+ */
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+
+ System.out.println("请输入人物角色名");
+ String roleName= scanner.next();
+
+ System.out.println("请输入生命值");
+ long health= scanner.nextLong();
+
+ System.out.println("请输入攻击力");
+ int damage = scanner.nextInt();
+
+ System.out.println("请输入防御力");
+ int defense= scanner.nextInt();
+
+ System.out.println("请输入武器加成");
+ float weaponScaling= scanner.nextFloat();
+
+ System.out.println("请输入是否是热门1英雄");
+ boolean isHot = scanner.nextBoolean();
+
+ System.out.println("英雄的信息如下：");
+
+ System.out.println("人物角色名"+roleName);
+
+ System.out.println("生命值"+health);
+
+ System.out.println("攻击力"+damage);
+
+ System.out.println("防御力"+defense);
+
+ System.out.println("武器加成"+weaponScaling);
+
+ System.out.println("是否是热门英雄"+isHot);
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/HelloWorld.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/HelloWorld.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1e0645884797488b261ac024d7e84051db4bb769
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/HelloWorld.java"
@@ -0,0 +1,16 @@
+package myselel;
+
+public class HelloWorld {
+
+ public static void main(String[] args) {
+ System.out.println("书店管理销售系统>客户信息系统");
+ System.out.println("**********************************************");
+ System.out.println(" 1.显示所有客户信息");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所以客户信息");
+ System.out.println("**********************************************");
+ System.out.println("请选择，输了数字或按“n”返回上一级菜单");
+ }
+ }
+
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/my/mylession.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/my/mylession.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4cc1baa2e6471f1b49a2085423caf9597220ca38
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/my/mylession.java"
@@ -0,0 +1,40 @@
+package my;
+
+
+import java.util.Scanner;
+
+public class mylession{
+ private static Scanner scanner;
+
+ public static void main(String[] args) {
+ String name;
+ int age;
+ char sex;
+ long ID;
+ float grade ;
+
+
+ scanner = new Scanner(System.in);
+ System.out.println("请输入你的姓名");
+ name = scanner.next();
+ System.out.println("请输入你的年龄");
+ age = scanner.nextInt();
+ System.out.println("请输入你的性别");
+ sex = scanner.next().charAt(0);
+ System.out.println("请输入你的学号");
+ ID = scanner.nextLong();
+ System.out.println("请输入你的HTML成绩");
+ grade = scanner.nextFloat();
+
+ System.out.println("姓名:"+name);
+ System.out.println("年龄:"+age);
+ System.out.println("性别:"+sex);
+ System.out.println("学号:"+ID);
+ System.out.println("HTML成绩:"+grade);
+
+}
+
+
+
+}
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/my/myname.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/my/myname.java"
new file mode 100644
index 0000000000000000000000000000000000000000..73177fe6b3543548bdfd7151f2ba25d5c912ccdd
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/my/myname.java"
@@ -0,0 +1,38 @@
+package my;
+
+import java.util.Scanner;
+
+public class myname {
+
+ public static void main(String[] args) {
+ String roleName;
+ long health;
+ int damage;
+ byte defense;
+ float weaponScaling;
+ boolean isHot;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请选择你的英雄");
+ roleName = scanner.next();
+ System.out.println("生命值");
+ health = scanner.nextLong();
+ System.out.println("攻击力");
+ damage = scanner.nextInt();
+ System.out.println("防御力");
+ defense = scanner.nextByte();
+ System.out.println("武器加成");
+ weaponScaling = scanner.nextFloat();
+ System.out.println("是否热门");
+ isHot = scanner.nextBoolean();
+
+ System.out.println("人物角色名:"+roleName);
+ System.out.println("生命值:"+health);
+ System.out.println("攻击力:"+damage);
+ System.out.println("防御力:"+defense);
+ System.out.println("武器加成:"+weaponScaling);
+ System.out.println("是否是热门英雄:"+isHot);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/myname.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/myname.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b61d13c8dbbdebe447f42622323af524a88ea1f4
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/myname.java"
@@ -0,0 +1,11 @@
+package myselel;
+
+public class myname {
+
+ public static void main(String[] args) {
+ System.out.println("姓名：蔡宗镇");
+ System.out.println("年龄：18");
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/First.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/First.java"
new file mode 100644
index 0000000000000000000000000000000000000000..20ac123c13effb278225b43b9ff9cd093c7d06b2
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/First.java"
@@ -0,0 +1,15 @@
+package lesssion_lab;
+
+public class First {
+
+ public static void main(String[] args) {
+ System.out.println(" 书店管理销售系统>客户信息系统\n");
+ System.out.println(" *******************");
+ System.out.println(" 1.显示所有客户信息");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所有客户信息");
+ System.out.println(" *******************");
+ System.out.println(" 请选择，输入数字或按“n”返回上一级菜单");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/HelloWorld.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/HelloWorld.java"
new file mode 100644
index 0000000000000000000000000000000000000000..23e5f2e4654d8ff97b71d3923937d4865485a838
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/HelloWorld.java"
@@ -0,0 +1,11 @@
+package lesssion_lab;
+
+public class HelloWorld {
+ public static void main(String[] args) {
+ System.out.println("许培樟");
+ System.out.print("18岁");
+
+ }
+
+}
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/XM.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/XM.java"
new file mode 100644
index 0000000000000000000000000000000000000000..effee0a7526964678d546ebc641e8a6670a74ca0
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/XM.java"
@@ -0,0 +1,37 @@
+package lession;
+
+import java.util.Scanner;
+
+public class demo5 {
+
+ public static void main(String[] args) {
+ String name;
+ long age;
+ String sex;
+ long xuehao;
+ int chengji;
+
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入姓名");
+ name = scanner.next();
+ System.out.println("请输入年龄");
+ age = scanner.nextLong();
+ System.out.println("请输入性别");
+ sex = scanner.next();
+ System.out.println("请输入学号");
+ xuehao = scanner.nextLong();
+ System.out.println("请输入成绩");
+ chengji = scanner.nextInt();
+
+
+ System.out.println("姓名"+name);
+ System.out.println("年龄："+age);
+ System.out.println("性别："+sex);
+ System.out.println("学号："+xuehao);
+ System.out.println("成绩："+chengji);;
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/YX.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/YX.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7cf443f0b5ba95bfcd0877190da471a1c485c68f
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/YX.java"
@@ -0,0 +1,40 @@
+package lession;
+
+import java.util.Scanner;
+
+public class demo4 {
+
+ public static void main(String[] args) {
+ String name;
+ long health;
+ int damage;
+ int defense;
+ float weaponScaling;
+ boolean isHot;
+
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("英雄角色名");
+ name = scanner.next();
+ System.out.println("英雄生命值");
+ health = scanner.nextLong();
+ System.out.println("英雄攻击力");
+ damage = scanner.nextInt();
+ System.out.println("英雄防御力");
+ defense = scanner.nextInt();
+ System.out.println("英雄武器加成");
+ weaponScaling = scanner.nextFloat();
+ System.out.println("是否为冷门英雄");
+ isHot = scanner.nextBoolean();
+
+ System.out.println("人物角色名是："+name);
+ System.out.println("人物生命值是："+health);
+ System.out.println("人物攻击力是："+damage);
+ System.out.println("人物防御力是："+defense);
+ System.out.println("人物武器加成是："+weaponScaling);
+ System.out.println("是否是热门英雄："+isHot);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/.classpath" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/.classpath"
new file mode 100644
index 0000000000000000000000000000000000000000..51a8bbad89682d379e0aadb7bd54d22de601a62f
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/.classpath"
@@ -0,0 +1,6 @@
+
+
+
+
+
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/.project" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/.project"
new file mode 100644
index 0000000000000000000000000000000000000000..40826cd1775c8cc15761003fcd52e1139d5ce25e
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/.project"
@@ -0,0 +1,17 @@
+
+
+ Demo
+
+
+
+
+
+ org.eclipse.jdt.core.javabuilder
+
+
+
+
+
+ org.eclipse.jdt.core.javanature
+
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/.settings/org.eclipse.jdt.core.prefs" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/.settings/org.eclipse.jdt.core.prefs"
new file mode 100644
index 0000000000000000000000000000000000000000..3a21537071bf4118b9e1ee864cb4bc258aa48211
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/.settings/org.eclipse.jdt.core.prefs"
@@ -0,0 +1,11 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/bin/com/md/lession2/Xzr.class" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/bin/com/md/lession2/Xzr.class"
new file mode 100644
index 0000000000000000000000000000000000000000..52c2304f18bff3f572e6c36677459f856e4a4b31
Binary files /dev/null and "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/bin/com/md/lession2/Xzr.class" differ
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/bin/com/md/lession2/Xzr2.class" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/bin/com/md/lession2/Xzr2.class"
new file mode 100644
index 0000000000000000000000000000000000000000..ada64a983caa3bedaa1f5867d7175072dba6898d
Binary files /dev/null and "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/bin/com/md/lession2/Xzr2.class" differ
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/src/com/md/lession2/Xzr.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/src/com/md/lession2/Xzr.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1cbd6d99a0183b2ac4fbe9f05431164e7e1cb536
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/src/com/md/lession2/Xzr.java"
@@ -0,0 +1,36 @@
+package com.md.lession2;
+
+import java.util.Scanner;
+
+public class Xzr {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ String roleName;
+ long health;
+ int damage;
+ int defense;
+ float weaponScaling;
+ boolean isHot;
+ Scanner scanner= new Scanner(Scanner.in);
+ System.out.println("请输入人物角色名：");
+ roleName=scanner.next();
+ System.out.println("请输入人物生命值：");
+ health=scanner.nextLong();
+ System.out.println("请输入人物攻击力：");
+ damage=scanner.nextInt();
+ System.out.println("请输入人物防御力：");
+ defense=scanner.nextInt();
+ System.out.println("请输入武器加成：");
+ weaponScaling=scanner.nextFloat();
+ System.out.println("请输入是否热门英雄：");
+ isHot=scanner.nextBoolean();
+ System.out.println("人物角色名："+roleName);
+ System.out.println("人物生命值："+health);
+ System.out.println("人物攻击力："+damage);
+ System.out.println("人物防御力"+defense);
+ System.out.println("武器加成："+weaponScaling);
+ System.out.println("是否热门英雄："+isHot);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/src/com/md/lession2/Xzr2.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/src/com/md/lession2/Xzr2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0d9517641bad15a44ee6d4670c90027a043f34d2
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo/src/com/md/lession2/Xzr2.java"
@@ -0,0 +1,31 @@
+package com.md.lession2;
+
+import java.util.Scanner;
+
+public class Xzr2 {
+ public static void main(String[] args) {
+ String Name;
+ int age;
+ boolean xingbie;
+ long xuehao;
+ int htmlchengji;
+ float shengao;
+ float tizhong;
+ Scanner scanner= new Scanner(Scanner.in);
+ System.out.println("请输入性名：");
+ Name=scanner.next();
+ System.out.println("请输入年龄：");
+ age=scanner.nextInt();
+ System.out.println("请输入性别：");
+ xingbie=scanner.nextBoolean();
+ System.out.println("请输入学号");
+ xuehao=scanner.nextLong();
+ System.out.println("请输入HTML成绩");
+ htmlchengji=scanner.nextInt();
+ System.out.println("请输入身高");
+ shengao=scanner.nextFloat();
+ System.out.println("请输入体重");
+ tizhong=scanner.nextFloat();
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/.classpath" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/.classpath"
new file mode 100644
index 0000000000000000000000000000000000000000..51a8bbad89682d379e0aadb7bd54d22de601a62f
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/.classpath"
@@ -0,0 +1,6 @@
+
+
+
+
+
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/.project" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/.project"
new file mode 100644
index 0000000000000000000000000000000000000000..68242b80186f61aae3aafec5032101d60eb77494
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/.project"
@@ -0,0 +1,17 @@
+
+
+ Xze
+
+
+
+
+
+ org.eclipse.jdt.core.javabuilder
+
+
+
+
+
+ org.eclipse.jdt.core.javanature
+
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/.settings/org.eclipse.jdt.core.prefs" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/.settings/org.eclipse.jdt.core.prefs"
new file mode 100644
index 0000000000000000000000000000000000000000..3a21537071bf4118b9e1ee864cb4bc258aa48211
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/.settings/org.eclipse.jdt.core.prefs"
@@ -0,0 +1,11 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/bin/com/md/lession1/Test.class" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/bin/com/md/lession1/Test.class"
new file mode 100644
index 0000000000000000000000000000000000000000..8ae0f6862687f251e36f859806fa61f1e0e2d291
Binary files /dev/null and "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/bin/com/md/lession1/Test.class" differ
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/bin/com/md/lession1/Xzr.class" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/bin/com/md/lession1/Xzr.class"
new file mode 100644
index 0000000000000000000000000000000000000000..64eeba0b9f081d549c8fd40254f1384220314e9c
Binary files /dev/null and "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/bin/com/md/lession1/Xzr.class" differ
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/src/com/md/lession1/Test.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/src/com/md/lession1/Test.java"
new file mode 100644
index 0000000000000000000000000000000000000000..74dc08be7f4415985c6c19099aeb6c67c5b55909
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/src/com/md/lession1/Test.java"
@@ -0,0 +1,9 @@
+package com.md.lession1;
+
+public class Test {
+ public static void main(String[] args){
+ System.out.println("江大美女");
+ System.out.println("wellcome to 龙岩");
+ System.out.println("你是大美女");
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/src/com/md/lession1/Xzr.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/src/com/md/lession1/Xzr.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0a1e13bb0e56df2fbc6a092fe77dea7dfd542e68
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\2251/Xze/src/com/md/lession1/Xzr.java"
@@ -0,0 +1,13 @@
+package com.md.lession1;
+
+public class Xzr {
+
+ public static void main(String[] args) {
+ System.out.println("书店管理销售系统>客户信息系统");
+ System.out.println("*********************************");
+ System.out.println(" 1.显示所有客户信息 \n 2.添加客户信息 \n 3.修改所有客户信息");
+ System.out.println("*********************************");
+ System.out.println("请选择，输入数字或按“n”返回上一级菜单" );
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson1_lab.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson1_lab.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1d3e9041477e45f54e61dbf519d27be0f2defdce
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson1_lab.java"
@@ -0,0 +1,10 @@
+
+public class lesson1_lab {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+System.out.println("Hello world!");
+System.out.println("Welcome to Hopeful!");
+System.out.println("My"+"name"+"is"+"小浪");}
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson2_lab.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson2_lab.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3da5d034dac632145bb0e8bb5857e7cc5b0a61bc
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson2_lab.java"
@@ -0,0 +1,15 @@
+
+public class lesson2_lab {
+
+ public static void main(String[] args) {
+ System.out.println("书店管理销售系统 》客户信息系统");
+ System.out.println("**********************************");
+ System.out.println(" 1.显示所有客户信息");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所有客户信息");
+ System.out.println("**********************************");
+ System.out.println("请选择，输入数字返回上一级菜单");
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson3_lab.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson3_lab.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8b0aeda85c198613316e1a36e674ddb76e433db8
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson3_lab.java"
@@ -0,0 +1,42 @@
+import java.util.Scanner;
+
+public class lesson3_lab {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ String roleName;
+ long health ;
+ int damage ;
+ int defense;
+ float weaponScaling;
+ boolean isHot;
+ System.out.println("请输入英雄的名字:");
+ roleName = scanner.next();
+
+
+ System.out.println("请输入英雄的生命值:");
+ health = scanner.nextLong();
+
+ System.out.println("请输入英雄的攻击力:");
+ damage = scanner.nextInt();
+
+ System.out.println("请输入英雄的防御力:");
+ defense = scanner.nextInt();
+
+ System.out.println("请输入英雄的武器加成:");
+ weaponScaling = scanner.nextFloat();
+
+ System.out.println("请输入是否是热门英雄:");
+ isHot = scanner.nextBoolean();
+
+ System.out.println("你的英雄名字是"+roleName);
+ System.out.println("你的英雄生命值是"+health);
+ System.out.println("你的英雄攻击力是"+damage);
+ System.out.println("你的英雄防御力是"+defense);
+ System.out.println("你的英雄武器加成是"+weaponScaling);
+ System.out.println("你的英雄是否是热门英雄"+isHot);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Lession.txt" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Lession.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..4fb3b356c4deed5dc79082b2066697924ee486a0
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Lession.txt"
@@ -0,0 +1,30 @@
+import java.util.Scanner;
+
+public class jh {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ String name;
+ int ages;
+ String sex;
+ String xuehao;
+ Double chengji;
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入你的名字：");
+ name=scanner.next();
+ System.out.println("请输入你的年龄：");
+ ages=scanner.nextInt();
+ System.out.println("请输入你的性别：");
+ sex=scanner.next();
+ System.out.println("请输入你的学号：");
+ xuehao=scanner.next();
+ System.out.println("请输入你的HTML的成绩：");
+ chrngji=scanner.nextDouble();
+ System.out.println("你的名字是"+name);
+ System.out.println("你的年龄是"+ages+"岁");
+ System.out.println("你的年龄是：");
+ System.out.println("你的学号是：");
+ System.out.println("你HTML成绩是：");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Lianxi (2).java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Lianxi (2).java"
new file mode 100644
index 0000000000000000000000000000000000000000..162bcc83a745d2fde12a6cbe1c8ae5c835c83c36
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Lianxi (2).java"
@@ -0,0 +1,17 @@
+package treh;
+
+public class hl {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ System.out.println("书店管理销售系统>客户信息系统");
+ System.out.println("");
+ System.out.println("**************************************************");
+ System.out.println("\t1.显示所有客户信息");
+ System.out.println("\t2.添加客户信息");
+ System.out.println("\t3.修改所有客户信息");
+ System.out.println("");
+ System.out.println("**************************************************");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Lianxi.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Lianxi.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c4d469ac2497e88ac3ae82ecd8f0141ce93ed92d
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Lianxi.java"
@@ -0,0 +1,12 @@
+package re;
+
+public class seg
+{
+ public static void main(String[] args)
+ {
+ System.out.println("Hello World!!!");
+ System.out.println("Welcome to hopeful");
+ System.out.println("MY"+"name"+"is"+"小浪");
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Renwu.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Renwu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1104c1078966016652da732a047d9a7f1ac1de92
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Renwu.java"
@@ -0,0 +1,41 @@
+package juese;
+
+import java.util.Scanner;
+
+public class lianxi {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ /*编写程序，定义变量，分别存放游戏中某个英雄的属性信息，
+ 包括：人物角色名（roleName）、生命值（health）、攻击力（damage）、
+ 防御力（defense）、武器加成（weaponScaling）、是否是热门英雄（isHot）。
+ 打印出来。*/
+ String roleName;
+ int health;
+ int damage;
+ int defense;
+ double weaponScaling;
+ boolean isHot;
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入你的角色名");
+ roleName=scanner.next();
+ System.out.println("请输入你的生命值");
+ health=scanner.nextInt();
+ System.out.println("请输入你的攻击力");
+ damage=scanner.nextInt();
+ System.out.println("请输入你的防御力");
+ defense=scanner.nextInt();
+ System.out.println("请输入你的武器加成");
+ weaponScaling=scanner.nextDouble();
+ System.out.println("请输入是否是热门英雄");
+ isHot=scanner.nextBoolean();
+ System.out.println("请输入你的武器加成");
+ System.out.println("你的选择角色是"+roleName);
+ System.out.println("你的生命值是"+health);
+ System.out.println("你的攻击力是"+damage);
+ System.out.println("你的防御力是"+defense);
+ System.out.println("你的武器加成是"+weaponScaling);
+ System.out.println("你的角色是否热门"+isHot);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/\344\270\252\344\272\272\344\277\241\346\201\257\350\260\203\346\237\245\347\250\213\345\272\217.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/\344\270\252\344\272\272\344\277\241\346\201\257\350\260\203\346\237\245\347\250\213\345\272\217.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e73ba17325f9d2830e97958181b42c8fc6522647
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/\344\270\252\344\272\272\344\277\241\346\201\257\350\260\203\346\237\245\347\250\213\345\272\217.java"
@@ -0,0 +1,39 @@
+import java.util.Scanner;
+
+public class 个人信息调查程序 {
+
+ public static void main(String[] args) {
+ String Name ;
+ int age ;
+ char xingbie;
+ long studentnumber;
+ int Htmlperformence;
+
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入个人信息");
+
+ System.out.print("请输入姓名：");
+ Name =scanner.next();
+
+ System.out.print("请输入年龄：");
+ age =scanner.nextInt();
+
+ System.out.print("请输入性别：");
+ xingbie =scanner.next().charAt(0);
+
+ System.out.print("请输入学号：");
+ studentnumber =scanner.nextInt();
+
+ System.out.print("请输入HTML成绩：");
+ Htmlperformence =scanner.nextInt();
+
+ System.out.println("请输入姓名："+Name);
+ System.out.println("请输入年龄："+age);
+ System.out.println("请输入性别："+xingbie);
+ System.out.println("请输入学号："+studentnumber);
+ System.out.println("请输入HTML成绩："+Htmlperformence);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/\345\256\242\346\210\267.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/\345\256\242\346\210\267.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fe7f377a06296ac1ffc266490185af807a3e57eb
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/\345\256\242\346\210\267.java"
@@ -0,0 +1,16 @@
+package 客户;
+
+public class 客户 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ System.out.println("书店管理销售系统>客户信息系统");
+ System.out.println("*******************************************");
+ System.out.println(" 1.显示客户所有信息 ");
+ System.out.println(" 2.添加客户信息 ");
+ System.out.println(" 2.修改所有客户信息 ");
+ System.out.println("*******************************************");
+ System.out.println("请选择，输入数字或按“n”返回上一级菜单");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/\346\270\270\346\210\217.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/\346\270\270\346\210\217.java"
new file mode 100644
index 0000000000000000000000000000000000000000..dcbd9e51ce6ba4fba6e24a48aa9f50e8b798d8b7
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/\346\270\270\346\210\217.java"
@@ -0,0 +1,20 @@
+
+public class 游戏 {
+
+ public static void main(String[] args) {
+ String roleName = "魔法少女";
+ long health = 3000;
+ int damage = 130;
+ int defense = 80;
+ float weaponScaling= 0.4f;
+ boolean isHot = true;
+
+ System.out.println("人物角色名是："+roleName);
+ System.out.println("人物生命值是："+health);
+ System.out.println("人物攻击力是："+damage);
+ System.out.println("人物防御力是："+defense);
+ System.out.println("武器加成是："+weaponScaling);
+ System.out.println("是否是热门英雄："+isHot);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/\346\270\270\346\210\2172.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/\346\270\270\346\210\2172.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a0308df208a9df0524b068a347aa0082a716d663
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/\346\270\270\346\210\2172.java"
@@ -0,0 +1,44 @@
+import java.util.Scanner;
+
+public class 游戏2 {
+
+ public static void main(String[] args) {
+ String roleName;
+ long health;
+ int damage;
+ int defense;
+ float weaponScaling;
+ boolean isHot;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.print("以下请输入人物信息：");
+
+ System.out.print("请输入人物角色名：");
+ roleName =scanner.next();
+
+ System.out.print("请输入人物生命值：");
+ health =scanner.nextLong();
+
+ System.out.print("请输入人物攻击力：");
+ damage =scanner.nextInt();
+
+ System.out.print("请输入人物防御力：");
+ defense =scanner.nextInt();
+
+ System.out.print("请输入人物武器加成值：");
+ weaponScaling =scanner.nextInt();
+
+ System.out.print("请输入是否为热门人物：");
+ isHot =scanner.nextBoolean();
+
+
+
+ System.out.println("人物角色名是："+roleName);
+ System.out.println("人物生命值是："+health);
+ System.out.println("人物攻击力是："+damage);
+ System.out.println("人物防御力是："+defense);
+ System.out.println("武器加成是："+weaponScaling);
+ System.out.println("是否是热门英雄："+isHot);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/\350\256\241\347\256\227\345\231\250.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/\350\256\241\347\256\227\345\231\250.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b04037fbf5058513cebcd89aab5bb951f48f6f25
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/\350\256\241\347\256\227\345\231\250.java"
@@ -0,0 +1,18 @@
+
+public class 计算器 {
+
+ public static void main(String[] args) {
+ int a ;
+ int b ;
+ a = 4;
+ b = 15;
+ int result = a + b;
+ System.out.println(result);
+
+ int c ;
+ c = 5 ;
+ System.out.println("c="+c);
+ c = c + 1;
+ System.out.println("c="+c);
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/zuoye2.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/zuoye2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..59dadf8502ee01598f27969396ddb568bf740479
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/zuoye2.java"
@@ -0,0 +1,14 @@
+package zuoye;
+
+public class Zuoye2 {
+ public static void main(String[] args) {
+ System.out.println("书店管理销售系统>客户信息系统");
+ System.out.println("****************************************");
+ System.out.println(" 1.显示客户信息");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所有客户信息");
+ System.out.println("****************************************");
+ System.out.println("请选择，输入数字或按“n”返回上一级菜单");
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/zuoye3.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/zuoye3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..21bdc012ee26524f7893114f092bf8479c775458
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/zuoye3.java"
@@ -0,0 +1,36 @@
+package zuoye;
+
+import java.util.Scanner;
+
+public class Zuoye3 {
+ public static void main(String [] args){
+ Scanner scanner=new Scanner(System.in) ;
+ String name;
+ byte age;
+ int studentnumber;
+ float htmlresult;
+ char sex;
+
+ System.out.println("请输入姓名");
+ name = scanner.next();
+
+ System.out.println("请输入年龄");
+ age = scanner.nextByte();
+
+ System.out.println("请输入性别");
+ sex= scanner.next().charAt(0);
+
+ System.out.println("请输入学号：");
+ studentnumber=scanner.nextInt();
+
+ System.out.println("请输入html成绩：");
+ htmlresult=scanner.nextFloat();
+
+ System.out.println("您的姓名是："+name);
+ System.out.println("您的年龄是："+age);
+ System.out.println("您的性别是："+sex);
+ System.out.println("您的学号是："+studentnumber);
+ System.out.println("您HTML的成绩是："+htmlresult);
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/zuoye4.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/zuoye4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6c3d79070d5448415230221646f73b0b4ae322be
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/zuoye4.java"
@@ -0,0 +1,42 @@
+package zuoye;
+
+import java.util.Scanner;
+
+public class Zuoye4 {
+ public static void main(String [] args) {
+ String roleName;
+ long health;
+ int damage;
+ float weaponScaling;
+ int defense;
+ boolean isHot;
+
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入英雄的名字：");
+ roleName=scanner.next();
+
+ System.out.println("请输入人物生命值是：");
+ health=scanner.nextLong();
+
+ System.out.println("请输入人物攻击力是：");
+ damage=scanner.nextInt();
+
+ System.out.println("请输入人物防御力是：");
+ defense=scanner.nextInt();
+
+ System.out.println("请输入武器加成是：");
+ weaponScaling=scanner.nextFloat();
+
+ System.out.println("请输入是否是热门英雄：");
+ isHot=scanner.nextBoolean();
+
+ System.out.println("人物角色名字是"+roleName);
+ System.out.println("人物生命值是："+health);
+ System.out.println("人物攻击力是："+damage);
+ System.out.println("人物防御力是："+defense);
+ System.out.println("武器加成是："+weaponScaling);
+ System.out.println("是否是热门英雄:"+isHot);
+ }
+
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/zuye1.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/zuye1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4882dfe1ea528189bc50f35c5a0add9f837e1831
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/zuye1.java"
@@ -0,0 +1,10 @@
+package zuoye;
+
+public class Zuye1 {
+ public static void main(String[] args) {
+ System.out.println("hello world");
+ System.out.println("welcome to hopeful");
+ System.out.println("my"+"name"+"is"+"小亮!");
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/HelloWorld1.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/HelloWorld1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3703c555aa3a5b488fa137f404a0b133441d92a2
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/HelloWorld1.java"
@@ -0,0 +1,15 @@
+
+public class HelloWorld1 {
+
+ public static void main(String[] args) {
+ System.out.println("书店管理销售系统>客户信息系统");
+ System.out.println(" ");
+ System.out.println("*******************************************************************");
+ System.out.println(" 1.显示所有客户信息");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所有客户信息");
+ System.out.println("*******************************************************************");
+ System.out.println("请选择，输入数字或按“n”返回上一级菜单");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/name.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/name.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0d24539cace8d11b60c1b11156a985d720a8eb41
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/name.java"
@@ -0,0 +1,10 @@
+
+public class name {
+
+ public static void main(String[] args) {
+ System.out.println("名字：韦天翔"
+ + "\n年龄：20岁");
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/\345\256\242\346\210\267.JAVA/Wck1.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/\345\256\242\346\210\267.JAVA/Wck1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0af9ae5bca8b6a01a6b6c8569c5b353c4bea7b03
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/\345\256\242\346\210\267.JAVA/Wck1.java"
@@ -0,0 +1,16 @@
+package com.md.lession1;
+
+public class Wck1 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+System.out.println("书店管理销售系统>客户信息系统");
+System.out.println("********************************************************");
+ System.out.println(" 1.显示所有客户信息 ");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所有客户 ");
+System.out.println("********************************************************");
+ System.out.println("请选择，输入数字或按：“n”返回上一级菜单");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/\347\254\254\344\272\214\346\254\241\344\275\234\344\270\232 java/nnnnn.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/\347\254\254\344\272\214\346\254\241\344\275\234\344\270\232 java/nnnnn.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ccee2244df0c2b503e4c377247768e28a51c8436
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/\347\254\254\344\272\214\346\254\241\344\275\234\344\270\232 java/nnnnn.java"
@@ -0,0 +1,47 @@
+
+
+//导入包
+import java.util.Scanner;
+
+
+public class nnnnn {
+
+ public static void main(String[] args) {
+ String roleName = "无敌李昌宝";
+ long health;
+ int damage;
+ int defense;
+ float weaponScalint;
+ boolean isHot;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入英雄的名字：");
+ roleName = scanner .next();
+
+ System.out.println("请输入英雄的生命值：");
+ health = scanner .nextLong();
+
+ System.out.println("请输入英雄的攻击力：");
+ damage = scanner .nextInt();
+
+ System.out.println("请输入英雄的防御力：");
+ defense = scanner .nextInt();
+
+ System.out.println("请输入英雄的武器加成：");
+ weaponScalint = scanner .nextFloat();
+
+ System.out.println("请输入是否是热门英雄：");
+ isHot = scanner .nextBoolean();
+
+
+
+
+ System.out.println("人物角色是：" + roleName);
+ System.out.println("人物生命值是：" + health);
+ System.out.println("人物攻击力是：" + damage);
+ System.out.println("人物防御力是：" + defense);
+ System.out.println("武器加成是：" + weaponScalint );
+ System.out.println("是否是热门英雄：" + isHot);
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/\347\254\254\344\272\214\346\254\241\344\275\234\344\270\232 java/ssssss.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/\347\254\254\344\272\214\346\254\241\344\275\234\344\270\232 java/ssssss.java"
new file mode 100644
index 0000000000000000000000000000000000000000..681346b4f56f89cf1266a043aa52254091a56215
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/\347\254\254\344\272\214\346\254\241\344\275\234\344\270\232 java/ssssss.java"
@@ -0,0 +1,16 @@
+
+public class ssssss {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ System.out.println("书店管理销售系统>客户信息系统");
+ System.out.println("********************************************************");
+ System.out.println(" 1.显示所有客户信息 ");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所有客户 ");
+ System.out.println("********************************************************");
+ System.out.println("请选择，输入数字或按：“n”返回上一级菜单");
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/HelloWorld.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/HelloWorld.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c978fef4474223434c6badd034eb50b3f0bb8f6e
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/HelloWorld.java"
@@ -0,0 +1,10 @@
+package testJava;
+
+public class HelloWorld {
+ public static void main(String[] args) {
+ System.out.println("HelloWorld!");
+ System.out.println("Welcome to Hopeful");
+ System.out.println("My" +" name" +" 小浪！");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/\345\255\246\347\224\237\344\277\241\346\201\257.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/\345\255\246\347\224\237\344\277\241\346\201\257.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d345c70eb7d93bab4186b14f7993ab4761e872be
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/\345\255\246\347\224\237\344\277\241\346\201\257.java"
@@ -0,0 +1,36 @@
+package calculator;
+
+import java.util.Scanner;
+
+public class 学生信息 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ /*人物角色名（roleName）、生命值（health）、 攻击力（damage）
+ *防御力（defense）、武器加成（weaponScaling）、是否是热门英雄（isHot）
+ */
+ Scanner scanner= new Scanner(System.in);
+ String Name;
+ long health;
+ int age;
+ char sex = 0;
+ byte xuehao;
+ int chengji;
+ System.out.println("请输入姓名");
+ Name =scanner.next();
+ System.out.println("请输入年龄");
+ age =scanner.nextInt();
+ System.out.println("请输入性别");
+ sex =scanner.next().charAt(sex);
+ System.out.println("请输入学号");
+ xuehao =scanner.nextByte();
+ System.out.println("请输入HTML成绩");
+ chengji =scanner.nextInt();
+ System.out.println("你的姓名是："+Name);
+ System.out.println("你的年龄是："+age);
+ System.out.println("你的性别是："+sex);
+ System.out.println("你的学号是:"+xuehao);
+ System.out.println("你的HTML成绩是:"+chengji);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/\345\256\242\346\210\267\344\277\241\346\201\257.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/\345\256\242\346\210\267\344\277\241\346\201\257.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bab26530435fd76d09ab649af65fe8617d224c54
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/\345\256\242\346\210\267\344\277\241\346\201\257.java"
@@ -0,0 +1,21 @@
+package md.rj1.lesson;
+
+import javax.jws.soap.SOAPBinding.Style;
+
+import org.omg.CORBA.PUBLIC_MEMBER;
+
+public class 客户信息 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ System.out.println("书店管理销售系统》客户信息系统");
+ System.out.println("\n");
+ System.out.println("**********************************");
+ System.out.println(" 1.显示所有客户信息");
+ System.out.println(" 2.添加客户信息");
+ System.out.println(" 3.修改所有客户信息");
+ System.out.println("**********************************");
+ System.out.println("请选择，输入数字或按"+"n"+"返回上一级菜单");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/\350\213\261\351\233\204\350\247\222\350\211\262.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/\350\213\261\351\233\204\350\247\222\350\211\262.java"
new file mode 100644
index 0000000000000000000000000000000000000000..dc4c836f1dc26c110fcbd04ed7c44b20716acbba
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/\350\213\261\351\233\204\350\247\222\350\211\262.java"
@@ -0,0 +1,42 @@
+package calculator;
+
+import java.util.Scanner;
+
+public class 英雄角色 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ /*人物角色名（roleName）、生命值（health）、 攻击力（damage）
+ *防御力（defense）、武器加成（weaponScaling）、是否是热门英雄（isHot）
+ */
+ Scanner scanner= new Scanner(System.in);
+ String roleName;
+ long health;
+ int damage;
+ int defense;
+ float weaponScaling;
+ boolean isHot;
+
+ System.out.println("请输入人物角色名");
+ roleName =scanner.next();
+ System.out.println("请输入人物生命值");
+ health =scanner.nextLong();
+ System.out.println("请输入人物攻击力");
+ damage =scanner.nextInt();
+ System.out.println("请输入人物防御力");
+ defense =scanner.nextInt();
+ System.out.println("请输入人物武器加成");
+ weaponScaling =scanner.nextFloat();
+ System.out.println("请输入是否热门");
+ isHot =scanner.hasNextBoolean();
+
+ System.out.println("你的角色信息如下：");
+ System.out.println("你的名字是"+roleName);
+ System.out.println("你的生命值是"+health);
+ System.out.println("你的攻击力是"+damage);
+ System.out.println("你的防御力是"+defense);
+ System.out.println("你的人物武器加成是"+weaponScaling);
+ System.out.println("是否热门"+isHot);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/MY is boy/.classpath" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/MY is boy/.classpath"
new file mode 100644
index 0000000000000000000000000000000000000000..51a8bbad89682d379e0aadb7bd54d22de601a62f
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/MY is boy/.classpath"
@@ -0,0 +1,6 @@
+
+
+
+
+
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/MY is boy/.project" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/MY is boy/.project"
new file mode 100644
index 0000000000000000000000000000000000000000..42c0f1c05ac7f2d4a1bc06dd450123be5755cf1d
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/MY is boy/.project"
@@ -0,0 +1,17 @@
+
+
+ MY is boy
+
+
+
+
+
+ org.eclipse.jdt.core.javabuilder
+
+
+
+
+
+ org.eclipse.jdt.core.javanature
+
+
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/MY is boy/.settings/org.eclipse.jdt.core.prefs" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/MY is boy/.settings/org.eclipse.jdt.core.prefs"
new file mode 100644
index 0000000000000000000000000000000000000000..3a21537071bf4118b9e1ee864cb4bc258aa48211
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/MY is boy/.settings/org.eclipse.jdt.core.prefs"
@@ -0,0 +1,11 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/MY is boy/bin/HelloWrold.class" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/MY is boy/bin/HelloWrold.class"
new file mode 100644
index 0000000000000000000000000000000000000000..5f17f530a90756881afa789f117632afe9584306
Binary files /dev/null and "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/MY is boy/bin/HelloWrold.class" differ
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/MY is boy/src/HelloWrold.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/MY is boy/src/HelloWrold.java"
new file mode 100644
index 0000000000000000000000000000000000000000..391608ff560166be246338bed2a65bb3ec443e13
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/MY is boy/src/HelloWrold.java"
@@ -0,0 +1,17 @@
+
+public class HelloWrold {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ System.out.println("书店管理销售系统》客户信息系统");
+ System.out.println("**********************");
+ System.out.println("1.显示所有客户信息");
+ System.out.println("2.添加客户信息");
+ System.out.println("3.修改所有客户信息");
+ System.out.println("*********************");
+ System.out.println("请选择，输入数字或按“n”返回上一级菜单");
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/src/HelloWrold.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/src/HelloWrold.java"
new file mode 100644
index 0000000000000000000000000000000000000000..14c4b4116809f45d3db63295f7a489efe84875d4
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/src/HelloWrold.java"
@@ -0,0 +1,10 @@
+
+public class HelloWrold {
+
+ public static void main(String[] args){
+ System.out.println("Hello World !!!");
+ System.out.println("Wlexome to help !!!");
+ System.out.println("My"+"name"+"is"+"小浪!");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/zouye2/lession.txt" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/zouye2/lession.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..4fb3b356c4deed5dc79082b2066697924ee486a0
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/zouye2/lession.txt"
@@ -0,0 +1,30 @@
+import java.util.Scanner;
+
+public class jh {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ String name;
+ int ages;
+ String sex;
+ String xuehao;
+ Double chengji;
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入你的名字：");
+ name=scanner.next();
+ System.out.println("请输入你的年龄：");
+ ages=scanner.nextInt();
+ System.out.println("请输入你的性别：");
+ sex=scanner.next();
+ System.out.println("请输入你的学号：");
+ xuehao=scanner.next();
+ System.out.println("请输入你的HTML的成绩：");
+ chrngji=scanner.nextDouble();
+ System.out.println("你的名字是"+name);
+ System.out.println("你的年龄是"+ages+"岁");
+ System.out.println("你的年龄是：");
+ System.out.println("你的学号是：");
+ System.out.println("你HTML成绩是：");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/zouye2/lianxi.java" "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/zouye2/lianxi.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1104c1078966016652da732a047d9a7f1ac1de92
--- /dev/null
+++ "b/Java\347\254\254\344\270\200\344\272\214\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/zouye2/lianxi.java"
@@ -0,0 +1,41 @@
+package juese;
+
+import java.util.Scanner;
+
+public class lianxi {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ /*编写程序，定义变量，分别存放游戏中某个英雄的属性信息，
+ 包括：人物角色名（roleName）、生命值（health）、攻击力（damage）、
+ 防御力（defense）、武器加成（weaponScaling）、是否是热门英雄（isHot）。
+ 打印出来。*/
+ String roleName;
+ int health;
+ int damage;
+ int defense;
+ double weaponScaling;
+ boolean isHot;
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入你的角色名");
+ roleName=scanner.next();
+ System.out.println("请输入你的生命值");
+ health=scanner.nextInt();
+ System.out.println("请输入你的攻击力");
+ damage=scanner.nextInt();
+ System.out.println("请输入你的防御力");
+ defense=scanner.nextInt();
+ System.out.println("请输入你的武器加成");
+ weaponScaling=scanner.nextDouble();
+ System.out.println("请输入是否是热门英雄");
+ isHot=scanner.nextBoolean();
+ System.out.println("请输入你的武器加成");
+ System.out.println("你的选择角色是"+roleName);
+ System.out.println("你的生命值是"+health);
+ System.out.println("你的攻击力是"+damage);
+ System.out.println("你的防御力是"+defense);
+ System.out.println("你的武器加成是"+weaponScaling);
+ System.out.println("你的角色是否热门"+isHot);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo1.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cef735af64aa2018ea21a9f90d8a66f66ea5934d
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo1.java"
@@ -0,0 +1,62 @@
+import java.util.Scanner;
+
+public class L01 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("*********************************");
+ System.out.println("*****微型计算器 ****");
+ System.out.println("*****1、求和 ****");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 ****");
+ System.out.println("*****5、求余 ****");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ System.out.println("*********************************");
+ String a = scan.next();
+ if (a=="Q") {
+ System.out.println("退出");
+ return;
+ } else {
+
+
+ System.out.println("请输入第一个数字");
+ int b = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ int c = scan.nextInt();
+ switch (a) {
+ case "1":
+
+ System.out.println("他们的和" + (b + c));
+ break;
+ case "2":
+
+ System.out.println("他们的差" + (b - c));
+ break;
+ case "3":
+
+ System.out.println("他们的积" + (b * c));
+ break;
+ case "4":
+
+ System.out.println("他们的商" + (b / c));
+ break;
+ case "5":
+
+ System.out.println("他们的余" + (b % c));
+ break;
+ case "Q":
+
+ System.out.println("退出");
+ break;
+
+ default:
+ System.out.println("你输入错误");
+ break;
+ }
+ }
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo2.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..45d211c5a5dc40a684510241da8b7b559ec7bd67
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo2.java"
@@ -0,0 +1,9 @@
+public class L02 {
+ public static void main(String[] args) {
+ int a=0;
+ while (a<=10) {
+ System.out.print("1");
+ a++;
+ }
+}
+ }
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo3.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2f0fa2d63d2b30a0e2c1a0b38e0a2edb1b11e2aa
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo3.java"
@@ -0,0 +1,35 @@
+import java.util.Scanner;
+
+public class L03 {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ String a = scan.next();
+ switch (a) {
+ case "1":
+ System.out.println("工作日");
+ break;
+ case "2":
+ System.out.println("工作日");
+ break;
+ case "3":
+ System.out.println("工作日");
+ break;
+ case "4":
+ System.out.println("工作日");
+ break;
+ case "5":
+ System.out.println("工作日");
+ break;
+ case "6":
+ System.out.println("休息日");
+ break;
+ case "7":
+ System.out.println("休息日");
+ break;
+
+ default:
+ break;
+ }
+
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo4.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a6a5544e0af87a1de381ebb18fc9387aaf93aefb
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo4.java"
@@ -0,0 +1,36 @@
+import java.util.Scanner;
+
+public class L04 {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ String a = scan.next();
+ switch (a) {
+ case "1":
+ System.out.println("跑步");
+ break;
+ case "2":
+ System.out.println("慢走");
+ break;
+ case "3":
+ System.out.println("动感单车");
+ break;
+ case "4":
+ System.out.println("拳击");
+ break;
+ case "5":
+ System.out.println("爬走");
+ break;
+ case "6":
+ System.out.println("吃饭");
+ break;
+ case "7":
+ System.out.println("休息日");
+ break;
+
+ default:
+ break;
+ }
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo5.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..42cc785b5eae9580c9602e0e8779e516631b95e9
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo5.java"
@@ -0,0 +1,21 @@
+import java.util.Scanner;
+
+public class L05 {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ int a = 1;
+ int c = 0;
+ while (a <= 5) {
+ System.out.println("请输入你的" + a + "次成绩");
+ int b = scan.nextInt();
+ if (b <= 100 & b >= 0) {
+ c = b + c;
+ a++;
+ } else {
+ System.out.println("您输入错误");
+ }
+ }
+ System.out.println("总和为" + c);
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo6.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6c39052647949aedef0f7f2afcd8847454090370
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo6.java"
@@ -0,0 +1,13 @@
+public class L06 {
+
+ public static void main(String[] args) {
+ int sum=0;
+ for (int i = 0; i <=100; i++) {
+ if (i%2==0) {
+ sum=sum+i;
+ }
+ }
+ System.out.println(sum);
+
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo7.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7e23aefaa5fa47d4703513ded433b92a30518bce
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo7.java"
@@ -0,0 +1,18 @@
+import java.util.Scanner;
+
+public class L07 {
+
+ public static void main(String[] args) {
+ Scanner scan=new Scanner(System.in);
+ int a =scan.nextInt();
+ for (int i = 0; i =0&score<=100) {
+ sum = sum +score;a++;
+ }else {
+ System.out.println("该成绩有误，不列入计算");
+ }
+ }
+ System.out.println(sum);
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome4.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d482b6a60babc62d6d49a42db2cf6afdfdff8f0e
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome4.java"
@@ -0,0 +1,14 @@
+package com.lession;
+
+import java.util.Scanner;
+
+public class Dome4 {
+public static void main(String[] args) {
+ Scanner scan =new Scanner(System.in);
+ int a = 0;
+ while(a<=10) {
+ System.out.println("*");a++;
+ }
+
+}
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome5.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3a56a52e1efff74ef82b63163bdbc1b5f5d2924a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome5.java"
@@ -0,0 +1,39 @@
+package com.lession;
+
+import java.util.Scanner;
+//工作日和休息日
+public class Dome5 {
+public static void main(String[] args) {
+ Scanner scan = new Scanner (System.in);
+ System.out.println("请输入星期数");
+ String a = scan .next();
+ switch(a) {
+ case"1":
+ System.out.println("工作日");
+ break;
+
+ case"2":
+ System.out.println("工作日");
+ break;
+ case"3":
+ System.out.println("工作日");
+ break;
+ case"4":
+ System.out.println("工作日");
+ break;
+ case"5":
+ System.out.println("工作日");
+ break;
+ case"6":
+ System.out.println("休息日");
+ break;
+ case"7":
+ System.out.println("休息日");
+ break;
+ default:
+ System.out.println("输入错误");
+ }
+
+
+}
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome6.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f07e44ba5a8f22786f98d48486f0594f8d23fa13
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome6.java"
@@ -0,0 +1,42 @@
+package com.lession;
+
+import java.util.Scanner;
+
+public class Dome6 {
+//减肥活动
+ public static void main(String[] args) {
+ Scanner scan = new Scanner (System.in);
+ System.out.println("请输入星期数");
+ String a = scan .next();
+ switch(a) {
+ case"1":
+ System.out.println("跑步");
+ break;
+
+ case"2":
+ System.out.println("游泳");
+ break;
+ case"3":
+ System.out.println("慢走");
+ break;
+ case"4":
+ System.out.println("动感单车");
+ break;
+ case"5":
+ System.out.println("拳击");
+ break;
+ case"6":
+ System.out.println("爬山");
+ break;
+ case"7":
+ System.out.println("好好吃一顿");
+ break;
+ default:
+ System.out.println("输入错误");
+ }
+
+
+ }
+ }
+
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome7.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1096f9a47288de4d8ff0f8922f6b07377f321d23
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome7.java"
@@ -0,0 +1,15 @@
+package com.lession;
+
+public class Dome7 {
+//偶数求和
+ public static void main(String[] args) {
+ int sum = 0;
+ for (int i=0; i<=100; i++) {
+ if(i%2==0) {
+ sum = sum + 1;
+ }
+ }
+ System.out.println(sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome8.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8871925bf70d197fad01ba203364658a15eaebd3
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome8.java"
@@ -0,0 +1,12 @@
+package com.lession;
+
+public class Dome8 {
+//闰年
+ public static void main(String[] args) {
+ for (int i = 1998; i <=2008; i++) {
+ if(i%4==0 & i%100 !=0 || i%400==0) {
+ System.out.println(i);
+ }
+ }
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome9.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome9.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5fbcd79debbfe117925dbcf7c09ec31bbdbbb94e
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome9.java"
@@ -0,0 +1,22 @@
+package com.lession;
+
+import java.util.Scanner;
+
+public class Dome9 {
+//素数
+ public static void main(String[] args) {
+ Scanner scan = new Scanner (System.in);
+ System.out.println("请输入数字");
+ int a =scan.nextInt();
+ for (int i = 2; i < a; i++) {
+ if(a%i==0) {
+ System.out.println("不是素数");
+ return;
+ }else {
+ System.out.println("是素数");
+ return;
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/ForDome.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/ForDome.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2d29d57c3fbc8fb10fa408cb2e30cfe158e82385
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/ForDome.java"
@@ -0,0 +1,12 @@
+package com.lession;
+
+public class ForDome {
+ public static void main(String[] args) {
+
+ for (int i = 0, a=5; i <=10 ;i++) {
+ System.out.println("结果是" +(a*i));
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo01.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fe3d9055b2f1c04b9283db98f5d1eeb334ccb537
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo01.java"
@@ -0,0 +1,64 @@
+package fang;
+
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("*********************************");
+ System.out.println("*****微型计算器 ****");
+ System.out.println("*****1、求和 ****");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 ****");
+ System.out.println("*****5、求余 ****");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ System.out.println("*********************************");
+ String a = scan.next();
+ if (a=="Q") {
+ System.out.println("退出");
+ return;
+ } else {
+
+
+ System.out.println("请输入第一个数字");
+ int b = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ int c = scan.nextInt();
+ switch (a) {
+ case "1":
+
+ System.out.println("他们的和" + (b + c));
+ break;
+ case "2":
+
+ System.out.println("他们的差" + (b - c));
+ break;
+ case "3":
+
+ System.out.println("他们的积" + (b * c));
+ break;
+ case "4":
+
+ System.out.println("他们的商" + (b / c));
+ break;
+ case "5":
+
+ System.out.println("他们的余" + (b % c));
+ break;
+ case "Q":
+
+ System.out.println("退出");
+ break;
+
+ default:
+ System.out.println("你输入错误");
+ break;
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo010.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo010.java"
new file mode 100644
index 0000000000000000000000000000000000000000..568e8282f7ee060a56a24f66b088ce26a1c294b4
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo010.java"
@@ -0,0 +1,10 @@
+package fang;
+
+public class Demo010 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo02.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..874728685eddbde3e4e2b373b0c3934edbe1f9ef
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo02.java"
@@ -0,0 +1,14 @@
+package fang;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ int a=0;
+ while (a<=10) {
+ System.out.print("*");
+ a++;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo03.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4047c66de09f2de51c587e17458dc07dc2e66539
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo03.java"
@@ -0,0 +1,14 @@
+package fang;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+
+ int a = 1;
+ while (a<=9) {
+ System.out.println(3+"*"+ a +"="+(3*a));
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo04.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c592c42fe82f7fefbbba544356e2565c9d4cb658
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo04.java"
@@ -0,0 +1,24 @@
+package fang;
+
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ int a = 1;
+ int c = 0;
+ while (a <= 5) {
+ System.out.println("请输入你的" + a + "次成绩");
+ int b = scan.nextInt();
+ if (b <= 100 & b >= 0) {
+ c = b + c;
+ a++;
+ } else {
+ System.out.println("您输入错误");
+ }
+ }
+ System.out.println("总和为" + c);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo05.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..51075015d82e3dbeba6f9741d78d849439e9170a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo05.java"
@@ -0,0 +1,11 @@
+package fang;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ for (int i = 1; i <=10; i++) {
+ System.out.println(i*5);
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo06.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c05bdc7e527bd0f271c15aa48b9be5037f7c1226
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo06.java"
@@ -0,0 +1,39 @@
+package fang;
+
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ String a = scan.next();
+ switch (a) {
+ case "1":
+ System.out.println("工作日");
+ break;
+ case "2":
+ System.out.println("工作日");
+ break;
+ case "3":
+ System.out.println("工作日");
+ break;
+ case "4":
+ System.out.println("工作日");
+ break;
+ case "5":
+ System.out.println("工作日");
+ break;
+ case "6":
+ System.out.println("休息日");
+ break;
+ case "7":
+ System.out.println("休息日");
+ break;
+
+ default:
+ break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo07.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..523da97145a574641721f9ba25c4d53d2a177d1c
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo07.java"
@@ -0,0 +1,39 @@
+package fang;
+
+import java.util.Scanner;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ String a = scan.next();
+ switch (a) {
+ case "1":
+ System.out.println("跑步");
+ break;
+ case "2":
+ System.out.println("慢走");
+ break;
+ case "3":
+ System.out.println("动感单车");
+ break;
+ case "4":
+ System.out.println("拳击");
+ break;
+ case "5":
+ System.out.println("爬走");
+ break;
+ case "6":
+ System.out.println("吃饭");
+ break;
+ case "7":
+ System.out.println("休息日");
+ break;
+
+ default:
+ break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo08.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..db4c1bf50bca132c8d0b447510b353b3e5f4d16d
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo08.java"
@@ -0,0 +1,16 @@
+package fang;
+
+public class Demo08 {
+
+ public static void main(String[] args) {
+ int sum=0;
+ for (int i = 0; i <=100; i++) {
+ if (i%2==0) {
+ sum=sum+i;
+ }
+ }
+ System.out.println(sum);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo09.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo09.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0bfb3f0840cc0666255893fefb6cfeeada2b94ff
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo09.java"
@@ -0,0 +1,14 @@
+package fang;
+
+public class Demo09 {
+
+ public static void main(String[] args) {
+ for (int i = 1998; i <=2008; i++) {
+ if (i%4 ==0 &&i%100!= 0||i%400==0) {
+ System.out.println(i);
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo11.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo11.java"
new file mode 100644
index 0000000000000000000000000000000000000000..52003291556503c6d7be7d16a15b80f7aa6266e8
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo11.java"
@@ -0,0 +1,21 @@
+package fang;
+
+import java.util.Scanner;
+
+public class Demo11 {
+
+ public static void main(String[] args) {
+ Scanner scan=new Scanner(System.in);
+ int a =scan.nextInt();
+ for (int i = 0; i = 0) {
+ c = b + c;
+ a++;
+ } else {
+ System.out.println("您输入错误");
+ }
+ }
+ System.out.println("总和为" + c);
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession4.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bedcbbaf5d207214c759bcd658384ef1ee8c7229
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession4.java"
@@ -0,0 +1,8 @@
+
+public class Lession4 {
+ public static void main(String[] args) {
+ for (int i = 1; i <=10; i++) {
+ System.out.println(i*5);
+ }
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession5.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..50435b57dd814636f9dc3ccdaca95e4d7f53e5bd
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession5.java"
@@ -0,0 +1,36 @@
+import java.util.Scanner;
+
+public class Lession5 {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("输入1~7");
+ String b= scan.next();
+ switch (b) {
+ case "1":
+ System.out.println("跑步");
+ break;
+ case "2":
+ System.out.println("篮球");
+ break;
+ case "3":
+ System.out.println("约会");
+ break;
+ case "4":
+ System.out.println("炒菜");
+ break;
+ case "5":
+ System.out.println("看美女");
+ break;
+ case "6":
+ System.out.println("吃饭");
+ break;
+ case "7":
+ System.out.println("休息日");
+ break;
+
+ default:
+ break;
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession6.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..436f2972e170329e3f482a7128233337df4bcade
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession6.java"
@@ -0,0 +1,17 @@
+import java.util.Scanner;
+
+public class Lession6 {
+ public static void main(String[] args) {
+ Scanner scan=new Scanner(System.in);
+ int a =scan.nextInt();
+ for (int i = 0; i 0&&a<=100) {
+ s=s+a;
+ i++;
+ } else {
+ System.out.println("程序错误");
+ return;
+ }
+ }
+ System.out.println(s);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/h5.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/h5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..db1779ab08b95278aec38a310c6a7833d33cc86f
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/h5.java"
@@ -0,0 +1,18 @@
+package ASDASD;
+
+public class Runanian {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+for (int i = 1998; i < 2009; i++) {
+ if(i%4==0 &&100!=0 || i%400==0){
+
+ System.out.println(i);
+ }
+
+
+}
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/h6.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/h6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6448bbcbcdea2ff537c5ccc71746b528cdb8d759
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/h6.java"
@@ -0,0 +1,29 @@
+package ASDASD;
+
+import java.util.Scanner;
+
+public class SUshu {
+
+ public static void main(String[] args) {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入数字");
+ int c= scan.nextInt();
+
+ {for (int i = 2; i < c; i++) {
+ if(c%i==0 ){
+ System.out.println("不是素数");
+
+ return;
+ }
+ else {System.out.println("是素数");
+ return;
+ }
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/h7.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/h7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..786312d0e8cb5f2ce439806bb0c748374b5c3988
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/h7.java"
@@ -0,0 +1,61 @@
+package ghj;
+
+import java.util.Scanner;
+
+public class h01 {
+
+ public static void main(String[] args) {
+
+ Scanner scan=new Scanner(System.in);
+ System.out.println("*********************************");
+ System.out.println("*****微型计算器 ****");
+ System.out.println("*****1、求和 ****");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 ****");
+ System.out.println("*****5、求余 ****");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ System.out.println("*********************************");
+
+ int a=scan.nextInt();
+ switch (a) {
+ case 1:
+ System.out.println("您选择的是1");
+ System.out.println("请输入一个数");
+ int a1=scan.nextInt();
+ System.out.println("请再次输入一个数");
+ int a2=scan.nextInt();
+ System.out.println("运算结果："+(a1+a2));
+ break;
+ case 2:
+ System.out.println("请输入一个数");
+ int a3=scan.nextInt();
+ System.out.println("请再次输入一个数");
+ int a4=scan.nextInt();
+ System.out.println(a3*a4);
+ break;
+ case 3:
+ System.out.println("请输入一个数");
+ int a5=scan.nextInt();
+ System.out.println("请再次输入一个数");
+ int a6=scan.nextInt();
+ System.out.println(a5/a6);
+ break;
+ case 4:
+ System.out.println("请输入一个数");
+ int a7=scan.nextInt();
+ System.out.println("请再次输入一个数");
+ int a8=scan.nextInt();
+ System.out.println(a7-a8);
+ break;
+ default:
+ System.out.println("错误");
+ break;
+ }
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/h8.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/h8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1d2b7122eeed526315c4a99e496c11a391e1b92a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/h8.java"
@@ -0,0 +1,20 @@
+package fghds;
+
+public class jj {
+
+ public static void main(String[] args) {
+ int i=1;
+ int s=0;
+ int a;
+ while (i<=100) {
+ if (i%2==0) {
+ s=s+i;
+
+ }
+ i++;
+
+ }
+ System.out.println(s);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Q.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Q.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fd1f663468402b005e746c10d8ae2df702d61ab2
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Q.java"
@@ -0,0 +1,22 @@
+import java.util.Scanner;
+
+public class Q {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ int b=0;
+ System.out.println("请输入一个数");
+ int a= scanner.nextInt();
+ for (int i = 0; i <=a; i++) {
+ if(a%a==0&&a%1==0) {
+ System.out.println("素数");
+ return;
+ }else {
+ System.out.println("不是素数");
+ return;
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/R.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/R.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5567a41645247395d42e25f5d1324f36e96a5bae
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/R.java"
@@ -0,0 +1,15 @@
+
+public class R {
+
+ public static void main(String[] args) {
+ for (int i = 1998; i <=2008; i++) {
+ int a;
+ a=i%4;
+ if(a==0) {
+ System.out.println(i);
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/S.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/S.java"
new file mode 100644
index 0000000000000000000000000000000000000000..07978692b49a30c0b71bc19c07fad84d1a7bc336
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/S.java"
@@ -0,0 +1,18 @@
+
+public class S {
+
+ public static void main(String[] args) {
+ int b =0;
+ for (int i = 0; i <=100; i++) {
+ int a;
+ a=i%2;
+ if(a==0) {
+ b=i+b;
+ if(i==100) {
+ System.out.println(b);
+ }
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/T.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/T.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a89554136dfacdbc97f1768908107a855ecf5ccc
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/T.java"
@@ -0,0 +1,37 @@
+import java.util.Scanner;
+
+public class T {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入星期几");
+ int a=scanner.nextInt();
+ switch (a) {
+ case 1:
+ System.out.println("跑步");
+ break;
+ case 2:
+ System.out.println("游泳");
+ break;
+ case 3:
+ System.out.println("慢走");
+ break;
+ case 4:
+ System.out.println("动感单车");
+ break;
+ case 5:
+ System.out.println("拳击");
+ break;
+ case 6:
+ System.out.println("爬山");
+ break;
+ case 7:
+ System.out.println("好好吃一顿");
+ break;
+ default:
+ System.out.println("输入有误");
+ break;
+
+ }
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/U.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/U.java"
new file mode 100644
index 0000000000000000000000000000000000000000..60ccd56e100cf682a2e7fe0851d1409ecfb72868
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/U.java"
@@ -0,0 +1,38 @@
+import java.util.Scanner;
+
+public class U {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入星期几");
+ int a=scanner.nextInt();
+ switch (a) {
+ case 1:
+ System.out.println("工作日");
+ break;
+ case 2:
+ System.out.println("工作日");
+ break;
+ case 3:
+ System.out.println("工作日");
+ break;
+ case 4:
+ System.out.println("工作日");
+ break;
+ case 5:
+ System.out.println("工作日");
+ break;
+ case 6:
+ System.out.println("休息日");
+ break;
+ case 7:
+ System.out.println("休息日");
+ break;
+ default:
+ System.out.println("输入有误");
+ break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/V.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/V.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0bd6409630a430b8c0465eb9d3c7ace35cc32414
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/V.java"
@@ -0,0 +1,11 @@
+
+public class V {
+
+ public static void main(String[] args) {
+ for (int i = 0; i <= 10; i++) {
+ System.out.println(i*5);
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/W.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/W.java"
new file mode 100644
index 0000000000000000000000000000000000000000..105ec5c81adfbd13306769876448d42531c7db29
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/W.java"
@@ -0,0 +1,24 @@
+import java.util.Scanner;
+
+public class W {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ int a;
+ int b=0;
+ int c=0;
+ do {
+ System.out.println("请输入成绩");
+ a=scanner.nextInt();
+ if(a>100||a<0) {
+ System.out.println("成绩输入有误，不列入计算");
+ c--;
+ a=0;
+ }
+ b=a+b;
+ c++;
+ } while (c<5);
+ System.out.println("成绩总和等于"+b);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/X.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/X.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d28dddca869747ae32d555009958b88270fc3442
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/X.java"
@@ -0,0 +1,13 @@
+
+public class X {
+
+ public static void main(String[] args) {
+ int a = 1;
+ while(a<=10) {
+ System.out.print("*");
+ a++;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Y.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Y.java"
new file mode 100644
index 0000000000000000000000000000000000000000..133422e6fbefb7c248a399a4a39e718ad8ee7b48
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Y.java"
@@ -0,0 +1,15 @@
+
+public class Y {
+
+ public static void main(String[] args) {
+ int a=3;
+ while(a<=9) {
+ System.out.println(3+"*"+a+"="+(3*a));
+ a++;
+ }
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Z.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Z.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6bff5d4c92fa4397db20b54046c385dfbc57049d
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Z.java"
@@ -0,0 +1,65 @@
+import java.util.Scanner;
+
+public class Z {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ int number1 ;
+ int number2 ;
+ System.out.println("********************");
+ System.out.println("1.求和");
+ System.out.println("2.求差");
+ System.out.println("3.求积");
+ System.out.println("4.求商");
+ System.out.println("5.求余");
+ System.out.println("Q.退出");
+ System.out.println("********************");
+ System.out.println("请选择你的操作");
+ String a=scanner.next();
+
+ switch (a) {
+ case "1":
+ System.out.println("请输入第一个数");
+ number1=scanner.nextInt();
+ System.out.println("请输入第二个数");
+ number2=scanner.nextInt();
+ System.out.println(number1+number2);
+ break;
+ case "2":
+ System.out.println("请输入第一个数");
+ number1=scanner.nextInt();
+ System.out.println("请输入第二个数");
+ number2=scanner.nextInt();
+ System.out.println(number1-number2);
+ break;
+ case "3":
+ System.out.println("请输入第一个数");
+ number1=scanner.nextInt();
+ System.out.println("请输入第二个数");
+ number2=scanner.nextInt();
+ System.out.println(number1*number2);
+ break;
+ case "4":
+ System.out.println("请输入第一个数");
+ number1=scanner.nextInt();
+ System.out.println("请输入第二个数");
+ number2=scanner.nextInt();
+ System.out.println(number1/number2);
+ break;
+ case "5":
+ System.out.println("请输入第一个数");
+ number1=scanner.nextInt();
+ System.out.println("请输入第二个数");
+ number2=scanner.nextInt();
+ System.out.println(number1%number2);
+ break;
+ case "Q":
+ System.out.println("结束");
+ break;
+ default:
+ System.out.println("输入有误");
+ break;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo01.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5fd83101129032253b26ec3d13d1ec159e55dd3a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo01.java"
@@ -0,0 +1,72 @@
+import java.util.Scanner;
+
+public class Demo01 {
+ public static void main(String[] args) {
+ // 微型计算器
+ Scanner scan = new Scanner(System.in);
+
+ char a ;
+
+ System.out.println("*********************************");
+ System.out.println("*****微型计算器 ****");
+ System.out.println("*****1、求和 ****");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 ****");
+ System.out.println("*****5、求余 ****");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ System.out.println("*********************************");
+
+ System.out.println("请选择你想使用的算法：");
+ a = scan.next().charAt(0);
+
+ if( a != 'Q') {
+ switch(a) {
+ case '1':
+ System.out.println("请输入第一个数字：");
+ int b = scan.nextInt();
+ System.out.println("请输入第二个数字：");
+ int c = scan.nextInt();
+ int sum = b + c ;
+ System.out.println("运算结果为："+ sum);
+ break;
+ case '2':
+ System.out.println("请输入第一个数字：");
+ int d = scan.nextInt();
+ System.out.println("请输入第二个数字：");
+ int e = scan.nextInt();
+ int cha = d - e ;
+ System.out.println("运算结果为："+ cha);
+ break;
+ case '3':
+ System.out.println("请输入第一个数字：");
+ int f = scan.nextInt();
+ System.out.println("请输入第二个数字：");
+ int g = scan.nextInt();
+ int ji = f * g ;
+ System.out.println("运算结果为："+ ji);
+ break;
+ case '4':
+ System.out.println("请输入第一个数字：");
+ int h = scan.nextInt();
+ System.out.println("请输入第二个数字：");
+ int i = scan.nextInt();
+ int shang = h / i ;
+ System.out.println("运算结果为："+ shang);
+ break;
+ case '5':
+ System.out.println("请输入第一个数字：");
+ int j = scan.nextInt();
+ System.out.println("请输入第二个数字：");
+ int k = scan.nextInt();
+ int yu = j % k ;
+ System.out.println("运算结果为："+ yu);
+ break;
+ default:
+ System.out.println("输入错误");
+ }
+ }
+ System.out.println("end");
+}
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo02.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1edf119fd0e25fd21b3bf302ad05c5f784edf442
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo02.java"
@@ -0,0 +1,19 @@
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ // 偶数求和
+ int a = 0;
+ int b = 0;
+ int c ;
+
+ while(a <= 100) {
+ c = a % 2;
+ if(c == 0) {
+ b = b + a;
+ }
+ a++;
+ }
+ System.out.println("总和为："+ b);
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo03.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5850f3606b7953bb2fcc4dfd9dcdf842c19e54e7
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo03.java"
@@ -0,0 +1,15 @@
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ // 乘法口诀表
+ int a = 3;
+ int b = 3;
+ while( b <=9 ) {
+ int c = a * b ;
+ System.out.println(a +"*"+ b +"=" + c);
+ b++ ;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo04.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8863d973551983b95137a7a516aa2d0f7ed9d6de
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo04.java"
@@ -0,0 +1,27 @@
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ // 五人成绩总和
+ Scanner scan = new Scanner(System.in);
+
+ int a = 1 ;
+ int c = 0 ;
+
+ do {
+ System.out.println("请输入第"+ a +"人的成绩：");
+ int b = scan.nextInt();
+
+ if( b>=0 && b<=100 ) {
+ c = b + c ;
+ a++;
+ }else{
+ System.out.println("该成绩有误，不列入计算");
+ }
+
+ }while(a <= 5);
+ System.out.println("总分为："+c);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo05.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fa62c7f9d20d86c27f72af5d78e488c7fd448a0d
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo05.java"
@@ -0,0 +1,27 @@
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ // 用户输入一个数字n，
+ //判断是否为素数(只能被1和自身整除的数)
+ //使用for循环实现
+ Scanner scan =new Scanner(System.in);
+
+ System.out.println("请输入一个数：");
+ int a = scan.nextInt();
+
+ int c = 0;
+
+ for (int b = 2; b < a; b++) {
+ if (a % b != 0) {
+ c++;
+ }
+ }
+ if (c == a - 2) {
+ System.out.println(a + "是质数");
+ } else {
+ System.out.println(a + "不是质数");
+ }
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo06.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6a284230fc0f3eb914c5ed9765200f108a531b69
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo06.java"
@@ -0,0 +1,17 @@
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ // 闰年
+ int a = 1998 ;
+ while(a<=2008) {
+ int b = a % 4 ;
+ if( b!=0) {
+ }else {
+ System.out.println("闰年为："+a);
+ }
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo07.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3629f7393f7158634e8b65bf39a8bb3400c19cd9
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo07.java"
@@ -0,0 +1,38 @@
+import java.util.Scanner;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+ // 减肥活动
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入星期");
+ int a = scan.nextInt();
+
+ switch (a) {
+ case 1:
+ System.out.println("跑步");
+ break;
+ case 2:
+ System.out.println("游泳");
+ break;
+ case 3:
+ System.out.println("慢走");
+ break;
+ case 4:
+ System.out.println("动感单车");
+ break;
+ case 5:
+ System.out.println("拳击");
+ break;
+ case 6:
+ System.out.println("爬山");
+ break;
+ case 7:
+ System.out.println("好好吃一顿");
+ break;
+ default:
+ break;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo08.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..49e67196225f8ab70059484c3e3db867ffcf33d2
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo08.java"
@@ -0,0 +1,34 @@
+import java.util.Scanner;
+
+public class Demo08 {
+ public static void main(String[] args) {
+ // 工作日休息日
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("請輸入星期");
+ int a = scan.nextInt();
+
+ switch (a) {
+
+ case 1:
+
+ case 2:
+
+ case 3:
+
+ case 4:
+
+ case 5:
+ System.out.println("工作日");
+ break;
+ case 6:
+
+ case 7:
+ System.out.println("休息日");
+ break;
+
+ default:
+ break;
+ }
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo01.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ac7196acccfb79f580e129dccf1fd863b01de973
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo01.java"
@@ -0,0 +1,13 @@
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i=1998;i<=2008;i++) {
+ if(i%4==0 && i%100!=0 ||i%400==0) {
+ System.out.println(i);
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo02.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bea7a51beed935e38d69c8b06521e698188fd962
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo02.java"
@@ -0,0 +1,40 @@
+import java.util.Scanner;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+
+ // TODO Auto-generated method stub
+ Scanner Scanner=new Scanner(System.in);
+ System.out.println("请输入星期几：");
+ int a = Scanner.nextInt();
+ switch (a) {
+ case 1:
+ System.out.println("工作日");
+ break;
+ case 2:
+ System.out.println("工作日");
+ break;
+ case 3:
+ System.out.println("工作日");
+ break;
+ case 4:
+ System.out.println("工作日");
+ break;
+ case 5:
+ System.out.println("工作日");
+ break;
+ case 6:
+ System.out.println("休息日");
+ break;
+ case 7:
+ System.out.println("休息日");
+ break;
+ default:
+ System.out.println("你输错啦！");
+ break;
+ }
+ }
+ }
+
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo03.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9ff12d1e2dc362352a05d16316925074339e5eb7
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo03.java"
@@ -0,0 +1,13 @@
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a=3;
+ while(a<=9) {
+ System.out.println(3+"*"+a+"="+(3*a));
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo04.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3447d118bda39dd3504166844a89b5979dd22013
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo04.java"
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scanner=new Scanner(System.in);
+
+ int a = 1;
+ int c = 0;
+ while (a<=5) {
+ System.out.println("请输入你第" + a + "次成绩");
+ int b = Scanner.nextInt();
+ if(b>=0 && b<=100) {
+ c=b+c;
+ a++;
+ }else {
+ System.out.println("该成绩有误，不列入计算");
+ }
+
+ }
+ System.out.println("成绩总和"+c);
+ }
+}
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo05.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5748019b51518cc02fdeb1e4d2f8970c3ece9b88
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo05.java"
@@ -0,0 +1,37 @@
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scanner=new Scanner(System.in);
+ System.out.println("请输入星期几：");
+ int a = Scanner.nextInt();
+ switch (a) {
+ case 1:
+ System.out.println("跑步");
+ break;
+ case 2:
+ System.out.println("游泳");
+ break;
+ case 3:
+ System.out.println("慢走");
+ break;
+ case 4:
+ System.out.println("公感单车");
+ break;
+ case 5:
+ System.out.println("拳击");
+ break;
+ case 6:
+ System.out.println("爬山");
+ break;
+ case 7:
+ System.out.println("好好吃一顿 ");
+ break;
+ default:
+ System.out.println("你输错啦！");
+ break;
+ }
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo06.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bb9c8e8d39bc35cb1a3069580611db32963871cf
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo06.java"
@@ -0,0 +1,18 @@
+import java.util.Scanner;
+
+import javax.swing.text.StyledEditorKit.ForegroundAction;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum=0;
+ for(int a = 0;a<=100;a++) {
+ if(a%2==0) {
+ sum=sum+a;
+ }
+ System.out.println(sum);
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo07.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d4f8fac2e67da9ac239855c657e25491f728a11e
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo07.java"
@@ -0,0 +1,51 @@
+import java.util.Scanner;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ System.out.println("********************************* ");
+ System.out.println("*****微型计算器 **** ");
+ System.out.println("*****1、求和 **** ");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 **** ");
+ System.out.println("*****5、求余 **** ");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 **** ");
+ System.out.println("********************************* ");
+
+
+ Scanner Scanner = new Scanner(System.in);
+ String choose = Scanner.next();
+
+ if (!choose.equals("Q")) {
+ System.out.println("请输入第一位数值");
+ int a = Scanner.nextInt();
+ System.out.println("请输入第二位数值");
+ int b = Scanner.nextInt();
+ switch (choose) {
+ case "1":
+ System.out.println(+a + "+" + b + "=" + (a + b));
+ break;
+ case "2":
+ System.out.println(+a + "-" + b + "=" + (a - b));
+ break;
+ case "3":
+ System.out.println(+a + "*" + b + "=" + (a * b));
+ break;
+ case "4":
+ System.out.println(+a + "/" + b + "=" + (a / b));
+ break;
+ case "5":
+ System.out.println(+a + "%" + b + "=" + (a % b));
+ break;
+ default:
+ System.out.println("退出");
+ break;
+ }
+ } else {
+ System.out.println("退出");
+ }
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo08.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4208f386c504ff69a8fd0bec7a7aaaa66147ff51
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo08.java"
@@ -0,0 +1,22 @@
+import java.util.Scanner;
+
+public class Demo08 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scanner=new Scanner(System.in);
+
+ System.out.println("请输入一个数");
+ int a=Scanner.nextInt();
+ for ( int i=0;i<=a;i++){
+ if(a % a==0 && a % 1==0) {
+ System.out.println("是素数");
+ return;
+ }else {
+ System.out.println("不是素数");
+ return;
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo1.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..de5ad6f134447a931bec259cbbbb4e1d88594576
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo1.java"
@@ -0,0 +1,13 @@
+
+public class Demo1 {
+ public static void main(String[]args) {
+ int a=3;
+ while(a<10) {
+ System.out.print(3+"*"+a+"=?");
+ a++;
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2e700398ddfcbfdd99117acb8cd63658b4b6d6bb
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java"
@@ -0,0 +1,45 @@
+import java.util.Scanner;
+
+public class Demo2 {
+ public static void main(String[]args) {
+ Scanner sca=new Scanner(System.in);
+ System.out.println("请输入星期数:");
+ int a=sca.nextInt();
+ if (a>=1&&a<=7) {
+ switch(a){
+ case 1:
+ System.out.print("今天是星期一，是工作日");
+ break;
+ case 2:
+ System.out.print("今天是星期二，是工作日");
+ break;
+ case 3:
+ System.out.print("今天是星期三，是工作日");
+ break;
+ case 4:
+ System.out.print("今天是星期四，是工作日");
+ break;
+ case 5:
+ System.out.print("今天是星期五，是工作日");
+ break;
+ case 6:
+ System.out.print("今天是星期六，是休息日");
+ break;
+ case 7:
+ System.out.print("今天是星期日，是休息日");
+ break;
+
+ }
+ }else {
+ System.out.print("输入的星期数错误，请重新输入");
+
+ }
+
+
+ }
+
+ }
+
+
+
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo3.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b86a1345707356d6d30a1cdf5024715151a7b2c9
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo3.java"
@@ -0,0 +1,36 @@
+import java.util.Scanner;
+
+public class Demo3 {
+ public static void main(String[]args) {
+ Scanner sca=new Scanner(System.in);
+ System.out.println("键盘录入星期数，显示今天的减肥活动：");
+ int a=sca.nextInt();
+ switch(a){
+ case 1:
+ System.out.print("今天是周一，跑步");
+ break;
+ case 2:
+ System.out.print("今天是周二，游泳 ");
+ break;
+ case 3:
+ System.out.print("今天是周三，慢走");
+ break;
+ case 4:
+ System.out.print("今天是周四，动感单车");
+ break;
+ case 5:
+ System.out.print("今天是周五，拳击");
+ break;
+ case 6:
+ System.out.print("今天是周六，爬山 ");
+ break;
+ case 7:
+ System.out.print("今天是周日，好好吃一顿 ");
+ break;
+ default :
+ System.out.print("输入的星期数错误，请重新输入");
+ }
+ }
+
+}
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo4.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e8cad7826ac66b29058dcecdf5d9c062a13a7364
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo4.java"
@@ -0,0 +1,13 @@
+
+public class Demo4 {
+ public static void main(String[]args) {
+ int sum=0;
+ for(int i=1;i<=100;i++) {
+ if(i%2==0) {
+ sum=sum+i;
+ }
+ }
+ System.out.println("偶数和为："+sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo5.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a9994bc79cf7d76bd111e07c061d4b38e232b428
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo5.java"
@@ -0,0 +1,12 @@
+
+public class Demo5 {
+ public static void main(String[]args) {
+ for(int i=1998;i<=2008;i++) {
+ if(i%4==0 ) {
+ System.out.println(i+"是闰年");
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo6.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0bbebc26afa14625f5f862a9703851684851d7d2
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo6.java"
@@ -0,0 +1,24 @@
+
+import java.util.Scanner;
+
+public class Demo6 {
+ public static void main(String[] args) {
+ boolean a=true;
+ Scanner sca=new Scanner(System.in);
+ System.out.println("请输入一个数");
+ int n=sca.nextInt();
+ for(int i=2;i<=n;i++){
+ if (n%i==0){
+ System.out.println("不是素数");
+ return;
+ }else {
+ System.out.println("是素数");
+ return;
+ }
+
+ }
+
+
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo7.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0c6147a17687f5d35fe77daaeee8ebddd601d583
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo7.java"
@@ -0,0 +1,64 @@
+import java.util.Scanner;
+public class Demo7 {
+ public static void main(String[]args) {
+ System.out.println("*********************************");
+ System.out.println("***** 微型计算器 ****");
+ System.out.println("***** 1、求和 ****");
+ System.out.println("***** 2、求差 ****");
+ System.out.println("***** 3、求积 ****");
+ System.out.println("***** 4、求商 ****");
+ System.out.println("***** 5、求余 ****");
+ System.out.println("***** Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ System.out.println("*********************************");
+ Scanner sca=new Scanner(System.in);
+ System.out.println("请输入选项：");
+ String a=sca.next();
+ switch(a) {
+ case "1":
+ System.out.println("请输入第一个数");
+ int a1=sca.nextInt();
+ System.out.println("请输入第二个数");
+ int a2=sca.nextInt();
+ System.out.println("和为:"+(a1+a2));
+ break;
+ case "2":
+ System.out.println("请输入第一个数");
+ a1=sca.nextInt();
+ System.out.println("请输入第二个数");
+ a2=sca.nextInt();
+ System.out.println("差为:"+(a1-a2));
+ break;
+ case "3":
+ System.out.println("请输入第一个数");
+ a1=sca.nextInt();
+ System.out.println("请输入第二个数");
+ a2=sca.nextInt();
+ System.out.println("积为:"+(a1*a2));
+ break;
+ case "4":
+ System.out.println("请输入第一个数");
+ a1=sca.nextInt();
+ System.out.println("请输入第二个数");
+ a2=sca.nextInt();
+ System.out.println("商为:"+(a1/a2));
+ break;
+
+ case "5":
+ System.out.println("请输入第一个数");
+ a1=sca.nextInt();
+ System.out.println("请输入第二个数");
+ a2=sca.nextInt();
+ System.out.println("余为:"+(a1%a2));
+ break;
+ case "q":
+
+ System.out.println("退出");
+ break;
+ case "Q":
+
+ System.out.println("退出");
+ break;
+ }
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo8.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5fbc5d5a2a1baacc78cdea481e0f3a7b202c1c07
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo8.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class Demo8 {
+ public static void main(String[] args) {
+ int a = 1, sum = 0;
+ Scanner sca = new Scanner(System.in);
+ do {
+ System.out.println("请输入第" + a + "个成绩");
+ int b = sca.nextInt();
+ if (b >= 0 && b <= 100) {
+ sum = sum + b;
+ } else {
+ System.out.println("该成绩有误，不列入计算");
+ }
+ a++;
+ } while (a <= 5);
+ System.out.println("成绩的总和为："+sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\344\271\230\346\263\225\350\241\250.txt" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\344\271\230\346\263\225\350\241\250.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..457bdeecbf6c9126c64c99c5448476b73e7df06b
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\344\271\230\346\263\225\350\241\250.txt"
@@ -0,0 +1,2 @@
+打印九九乘法表的一行：3*3=?、3*4=?、3*5=?、3*6=?、3*7=?、3*8=?、3*9=?
+使用while实现
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\345\201\266\346\225\260\346\261\202\345\222\214.txt" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\345\201\266\346\225\260\346\261\202\345\222\214.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..67b88e52472ad36debedec0404a95dbd24f244aa
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\345\201\266\346\225\260\346\261\202\345\222\214.txt"
@@ -0,0 +1 @@
+求1-100之间的偶数和，并把求和结果在控制台输出
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\345\207\217\350\202\245\346\264\273\345\212\250.txt" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\345\207\217\350\202\245\346\264\273\345\212\250.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..f28799fcee3969091f322695881e5f3a1dcc4c53
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\345\207\217\350\202\245\346\264\273\345\212\250.txt"
@@ -0,0 +1,11 @@
+需求：键盘录入星期数，显示今天的减肥活动：
+周一：跑步
+周二：游泳
+周三：慢走
+周四：动感单车
+周五：拳击
+周六：爬山
+周日：好好吃一顿
+先询问用户今天是星期几（输入数字即可），接受用户的答案后，判断输出今天的减肥活动
+
+使用switch实现
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\345\267\245\344\275\234\346\227\245\344\274\221\346\201\257\346\227\245.txt" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\345\267\245\344\275\234\346\227\245\344\274\221\346\201\257\346\227\245.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..c60017022d85b117d4e2c60a577c932e0c0caa7f
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\345\267\245\344\275\234\346\227\245\344\274\221\346\201\257\346\227\245.txt"
@@ -0,0 +1,2 @@
+用switch实现需求 : 键盘录入星期数，输出工作日、休息日 (1-5)工作日，(6-7)休息日
+提示 : 如果switch语句中,case省略了break语句, 就会开始case穿透
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\345\276\252\347\216\257\346\210\220\347\273\251\346\261\202\345\222\214.txt" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\345\276\252\347\216\257\346\210\220\347\273\251\346\261\202\345\222\214.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..795d25a7ae09b789bb6c55012a75fdba4fb4b63c
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\345\276\252\347\216\257\346\210\220\347\273\251\346\261\202\345\222\214.txt"
@@ -0,0 +1 @@
+用循环的方法接受用户输入的五个成绩，若用户输入的成绩不在0~100之间，则打印“该成绩有误，不列入计算”。在循环结束后求出所有输入正确的成绩的总和。
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\345\276\256\345\236\213\350\256\241\347\256\227\345\231\250.txt" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\345\276\256\345\236\213\350\256\241\347\256\227\345\231\250.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..b5159ba6d609026c25a887488068e66cbc8a1818
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\345\276\256\345\236\213\350\256\241\347\256\227\345\231\250.txt"
@@ -0,0 +1,12 @@
+*********************************
+*****微型计算器 ****
+*****1、求和 ****
+*****2、求差 ****
+*****3、求积 ****
+*****4、求商 ****
+*****5、求余 ****
+*****Q、退出 ****
+*****请选择您想执行的操作 ****
+*********************************
+
+用户选择某一项后，再请用户输入两个数字，并将其结果显示出来。
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\347\264\240\346\225\260.txt" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\347\264\240\346\225\260.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..935f66e96a7c34e2447885e2f4cffedbf7fa891c
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\347\264\240\346\225\260.txt"
@@ -0,0 +1,2 @@
+示例3：用户输入一个数字n，判断是否为素数(只能被1和自身整除的数)
+使用for循环实现
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\351\227\260\345\271\264.txt" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\351\227\260\345\271\264.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..312f5683a5f83462bb30513c77eed1811b898a4a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\351\227\260\345\271\264.txt"
@@ -0,0 +1 @@
+示例:4：将1998-2008年之间的闰年年份输出。
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Cfb.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Cfb.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6ee0e38eb65469611cb26d045d48add56224d8f3
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Cfb.java"
@@ -0,0 +1,17 @@
+package cm.md.com;
+
+import java.util.Scanner;
+
+public class Deom {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner =new Scanner(System.in);
+ int a =3;
+ while(a<=9) {
+ System.out.println("3"+"*"+a+"="+(3*a));
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Cj.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Cj.java"
new file mode 100644
index 0000000000000000000000000000000000000000..77d66745ac8af1c6bc5760b9e894505381fcf222
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Cj.java"
@@ -0,0 +1,29 @@
+package cm.md.com;
+
+import java.util.Iterator;
+import java.util.Scanner;
+
+public class Cj{
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 用循环的方法接受用户输入的五个成绩，若用户输入的成绩不在0~100之间，
+// 则打印“该成绩有误，不列入计算”。在循环结束后求出所有输入正确的成绩的总和。
+
+ Scanner scan=new Scanner(System.in);
+ double a=1;
+ double sum=0;
+ while(a<=5) {
+ System.out.println("请输入一个成绩");
+ double c=scan.nextDouble();
+ if(c>=0&&c<=100) {
+ sum=c+sum;
+ }else {
+ System.out.println("该成绩有误，不列入计算");
+ }a++;
+ }
+ System.out.println(sum);
+ }
+
+}
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Gzr.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Gzr.java"
new file mode 100644
index 0000000000000000000000000000000000000000..394248dfa9a1a1f664181d939c7338126fb895fc
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Gzr.java"
@@ -0,0 +1,29 @@
+package cm.md.com;
+
+import java.util.Scanner;
+
+public class Deom {
+
+ public static void main(String[] args) {
+ // 用switch实现需求 : 键盘录入星期数，输出工作日、休息日 (1-5)工作日，(6-7)休息日
+// 提示 : 如果switch语句中,case省略了break语句, 就会开始case穿透
+ Scanner scanner =new Scanner(System.in);
+ System.out.println("请输入今天星期几");
+ String a= scanner.next();
+ switch (a) {
+ case"星期一":
+ case"星期二":
+ case"星期三":
+ case"星期四":
+ case"星期五":
+ System.out.println("今天是工作日");
+ }
+ switch(a) {
+ case"星期六":
+ case"星期天":
+ System.out.println("今天是休息日");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Jf.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Jf.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f6b03d5e172083e9905203fd59ac6032ec98a168
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Jf.java"
@@ -0,0 +1,49 @@
+package cm.md.com;
+
+import java.util.Scanner;
+
+public class Jf{
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 需求：键盘录入星期数，显示今天的减肥活动：
+// 周一：跑步
+// 周二：游泳
+// 周三：慢走
+// 周四：动感单车
+// 周五：拳击
+// 周六：爬山
+// 周日：好好吃一顿
+// 先询问用户今天是星期几（输入数字即可），接受用户的答案后，判断输出今天的减肥活动
+//
+// 使用switch实现
+ Scanner scanner =new Scanner(System.in);
+ System.out.println("请输入今天星期几（输入数字即可）");
+ String a= scanner.next();
+ switch (a) {
+ case"1":
+ System.out.println("今天是跑步");
+ break;
+ case"2":
+ System.out.println("今天是游泳");
+ break;
+ case"3":
+ System.out.println("今天是慢走");
+ break;
+ case"4":
+ System.out.println("动感单车");
+ break;
+ case"5":
+ System.out.println("拳击");
+ break;
+ case"6":
+ System.out.println("爬山");
+ break;
+ case"7":
+ System.out.println("好好吃一顿");
+ break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Jsq.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Jsq.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9413267d7f9afc60a27e2195d677d4da988ca9e7
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Jsq.java"
@@ -0,0 +1,66 @@
+package cm.md.com;
+
+import java.util.Scanner;
+
+public class Jsq{
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// *********************************
+// *****微型计算器 ****
+// *****1、求和 ****
+// *****2、求差 ****
+// *****3、求积 ****
+// *****4、求商 ****
+// *****5、求余 ****
+// *****Q、退出 ****
+// *****请选择您想执行的操作 ****
+// *********************************
+// 用户选择某一项后，再请用户输入两个数字，并将其结果显示出来。
+ Scanner scanner =new Scanner(System.in);
+ System.out.println("*********************************\r\n" +
+ "*****微型计算器 ****\r\n" +
+ "*****1、求和 ****\r\n" +
+ "*****2、求差 ****\r\n" +
+ "*****3、求积 ****\r\n" +
+ "*****4、求商 ****\r\n" +
+ "*****5、求余 ****\r\n" +
+ "*****Q、退出 ****\r\n" +
+ "*****请选择您想执行的操作 ****\r\n" +
+ "*********************************");
+ System.out.println("请选择你想执行的操作");
+ String a=scanner.next();
+
+ System.out.println("请输入第一个值");
+ int b=scanner.nextInt();
+
+ System.out.println("请输入第二个值");
+ int c=scanner.nextInt();
+
+ switch(a) {
+ case "1":
+ System.out.println("求和"+(b+c));
+ break;
+ case "2":
+ System.out.println("求差"+(b-c));
+ break;
+ case "3":
+ System.out.println("求积"+(b*c));
+ break;
+ case "4":
+ System.out.println("求商"+(b/c));
+ break;
+ case "5":
+
+ System.out.println("求余"+(b%c));
+ case "Q":
+ System.out.println("退出");
+ break;
+ default:
+ System.out.println("输入错误");
+ break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Os.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Os.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c8ea2c2739391419f25dc20dbf7ebb1146fed973
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Os.java"
@@ -0,0 +1,25 @@
+package cm.md.com;
+
+import java.util.Iterator;
+import java.util.Scanner;
+
+public class Os{
+
+ public static void main(String[] args) {
+// 求1-100之间的偶数和，并把求和结果在控制台输出
+ int a=1;
+ int num=0;
+ while(a<=100) {
+ if(a%2==0) {
+ num=a+num;
+ }
+ a++;
+ }
+ System.out.println("和为"+num);
+ }
+ }
+
+
+
+
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/RN.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/RN.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3439e2c9e562efe269eae0a0563f2ea986a20b95
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/RN.java"
@@ -0,0 +1,15 @@
+public class RN {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 示例:4：将1998-2008年之间的闰年年份输出。
+ int a=1998;
+ while(a<=2008) {
+ if((a%4==0)&(a%1000==0)) {
+ System.out.println(a);
+ }
+ a++;
+ }
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/SS.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/SS.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f0c1246a8bc5e406782e06519e37648bfcff6555
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/SS.java"
@@ -0,0 +1,30 @@
+import java.util.Scanner;
+
+public class SS {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 示例3：用户输入一个数字n，判断是否为素数(只能被1和自身整除的数)
+// 使用for循环实现
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入一个数字");
+ int a=scan.nextInt();
+ if(a>2){
+ boolean isSushu=true;
+ for (int b = 2; b < a; b++) {
+ if(a%b==0){
+ isSushu=false;
+ break;
+ }
+ }
+ if(isSushu=true) {
+ System.out.println("该数不是素数");
+ }else {
+ System.out.println("该数是素数");
+
+ }
+ }
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo01.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..72a4cfae7d8adbefd6cecf01c777f40f821aec66
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo01.java"
@@ -0,0 +1,15 @@
+package com.md.lession;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a=3;
+ while (a<=9) {
+ System.out.println(a*3);
+ a++;
+ }
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo02.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bf52682efa66644e460b95e1879ace514b864fa0
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo02.java"
@@ -0,0 +1,34 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int a=0;
+ int c = 1;
+
+ do {
+ System.out.println("请输入成绩");
+ int b = scan.nextInt();
+ if(b<=100&& b>=0){
+ a=b+a;
+ c++;
+ }else {
+ System.out.println("输入错误");
+ }
+
+ }
+ while (c<=5) ;
+
+
+
+ System.out.println("成绩是和" + a );
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo03.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6f35a8b1e14abd185bd63eee01ed43d2ebd8fc3d
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo03.java"
@@ -0,0 +1,14 @@
+package com.md.lession;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1; i <= 10; i++) {
+
+ System.out.println(i*5);
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo04.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..adf081a17c14ed8064301e5724c5d81c8d98774b
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo04.java"
@@ -0,0 +1,40 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("今天星期几");
+ int b = scan.nextInt();
+ switch (b) {
+case 1:
+ System.out.println("跑步");
+ break;
+case 2:
+ System.out.println("游泳");
+ break;
+case 3:
+ System.out.println("慢走");
+ break;
+case 4:
+ System.out.println("动感单车");
+ break;
+case 5:
+ System.out.println("拳击");
+ break;
+case 6:
+ System.out.println("爬山");
+ break;
+case 7:
+ System.out.println("好好吃一顿");
+ break;
+default:
+ System.out.println("输入错误");
+ break;
+}
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo05.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1b160df12c9e98b39f8f7acc340de5d48cf38a7d
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo05.java"
@@ -0,0 +1,73 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("*********************************");
+ System.out.println("*****微型计算器 ****");
+ System.out.println("*****1、求和 ****");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 ****");
+ System.out.println("*****5、求余 ****");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ System.out.println("*********************************");
+
+ String a = scan.next();
+ if (a=="Q") {
+
+ System.exit(0);
+ return;
+ }
+
+ System.out.println("请输入第一个数字");
+ int b = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ int c = scan.nextInt();
+
+
+
+
+
+ switch (a) {
+
+
+
+
+
+
+ case "1":
+
+ System.out.println("他们的和" + (b + c));
+ break;
+ case "2":
+
+ System.out.println("他们的差" + (b - c));
+ break;
+ case "3":
+
+ System.out.println("他们的积" + (b * c));
+ break;
+ case "4":
+
+ System.out.println("他们的商" + (b / c));
+ break;
+ case "5":
+
+ System.out.println("他们的余" + (b % c));
+ break;
+
+ default:
+ System.out.println("你输入错误");
+ break;
+
+ }
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo06.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2c96e25d16940e42db608ee2dd6dd70f2c6bfccd
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo06.java"
@@ -0,0 +1,40 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("今天星期几");
+ int b = scan.nextInt();
+ switch (b) {
+case 1:
+ System.out.println("工作日");
+ break;
+case 2:
+ System.out.println("工作日");
+ break;
+case 3:
+ System.out.println("工作日");
+ break;
+case 4:
+ System.out.println("工作日");
+ break;
+case 5:
+ System.out.println("工作日");
+ break;
+case 6:
+ System.out.println("休息日");
+ break;
+case 7:
+ System.out.println("休息日");
+ break;
+default:
+ System.out.println("输入错误");
+ break;
+}
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo07.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..aa49e679a92fc661b74b636fa913dcdf650c956d
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo07.java"
@@ -0,0 +1,26 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int c;
+ int a=0;
+
+ Scanner scan = new Scanner(System.in);
+ for (int i = 0; i <= 100; i++) {
+
+ if(i%2==0){
+ System.out.println(i);
+ a=i+a;
+ }
+
+
+
+ }
+ System.out.println(a);
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo08.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e67aa81cb8fceafee01674518acfe54620de8741
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo08.java"
@@ -0,0 +1,17 @@
+package com.md.lession;
+
+public class Demo08 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1998; i < 2009; i++) {
+ if(i%4==0 &&100!=0 || i%400==0){
+
+ System.out.println(i);
+ }
+
+
+ }
+ }
+
+ }
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo09.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo09.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d78a51e2f2f885cb0e341aa70e571d7e4972c95c
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo09.java"
@@ -0,0 +1,23 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo09 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入数字");
+ int c= scan.nextInt();
+
+for (int i = 2; i < 100; i++) {
+ if(c/i==0 ){
+ System.out.println("是素数");
+
+
+ }
+ else {System.out.println("不是素数");}
+}
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo10.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo10.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1cf8c4eb56123f865dee1f19ad7b98f4b8084fd7
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo10.java"
@@ -0,0 +1,14 @@
+package com.md.lession;
+
+public class Demo10 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a=1;
+ while (a<=10) {
+ System.out.print("*");
+ a++;
+ }
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L01.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0efcd9c514e0e97ea32263deae59945060c7e413
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L01.java"
@@ -0,0 +1,62 @@
+import java.util.Scanner;
+
+public class L01 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("*********************************");
+ System.out.println("*****微型计算器 ****");
+ System.out.println("*****1、求和 ****");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 ****");
+ System.out.println("*****5、求余 ****");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ System.out.println("*********************************");
+ String a = scan.next();
+ if (a=="Q") {
+ System.out.println("退出");
+ return;
+ } else {
+
+
+ System.out.println("请输入第一个数字");
+ int b = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ int c = scan.nextInt();
+ switch (a) {
+ case "1":
+
+ System.out.println("他们的和" + (b + c));
+ break;
+ case "2":
+
+ System.out.println("他们的差" + (b - c));
+ break;
+ case "3":
+
+ System.out.println("他们的积" + (b * c));
+ break;
+ case "4":
+
+ System.out.println("他们的商" + (b / c));
+ break;
+ case "5":
+
+ System.out.println("他们的余" + (b % c));
+ break;
+ case "Q":
+
+ System.out.println("退出");
+ break;
+
+ default:
+ System.out.println("你输入错误");
+ break;
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L02.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5426bb387ded4ba63f65e47d9af3c8dba83be0b4
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L02.java"
@@ -0,0 +1,10 @@
+
+public class L02 {
+ public static void main(String[] args) {
+ int a=0;
+ while (a<=10) {
+ System.out.print("1");
+ a++;
+ }
+}
+ }
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L03.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ede4675417e52c0bb04e80e5d65082ee3d24ebf6
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L03.java"
@@ -0,0 +1,35 @@
+import java.util.Scanner;
+
+public class L03 {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ String a = scan.next();
+ switch (a) {
+ case "1":
+ System.out.println("工作日");
+ break;
+ case "2":
+ System.out.println("工作日");
+ break;
+ case "3":
+ System.out.println("工作日");
+ break;
+ case "4":
+ System.out.println("工作日");
+ break;
+ case "5":
+ System.out.println("工作日");
+ break;
+ case "6":
+ System.out.println("休息日");
+ break;
+ case "7":
+ System.out.println("休息日");
+ break;
+
+ default:
+ break;
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L04.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..34e2ea6b1648a035bd01f7a67c99fa4365a7b328
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L04.java"
@@ -0,0 +1,36 @@
+import java.util.Scanner;
+
+public class L04 {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ String a = scan.next();
+ switch (a) {
+ case "1":
+ System.out.println("跑步");
+ break;
+ case "2":
+ System.out.println("慢走");
+ break;
+ case "3":
+ System.out.println("动感单车");
+ break;
+ case "4":
+ System.out.println("拳击");
+ break;
+ case "5":
+ System.out.println("爬走");
+ break;
+ case "6":
+ System.out.println("吃饭");
+ break;
+ case "7":
+ System.out.println("休息日");
+ break;
+
+ default:
+ break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L05.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..96650769d5d7028435ced63b97ee6f05aef5c67f
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L05.java"
@@ -0,0 +1,21 @@
+import java.util.Scanner;
+
+public class L05 {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ int a = 1;
+ int c = 0;
+ while (a <= 5) {
+ System.out.println("请输入你的" + a + "次成绩");
+ int b = scan.nextInt();
+ if (b <= 100 & b >= 0) {
+ c = b + c;
+ a++;
+ } else {
+ System.out.println("您输入错误");
+ }
+ }
+ System.out.println("总和为" + c);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L06.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1f86eb2fcfcf79cf8f9b79b0ec24895f143e6a12
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L06.java"
@@ -0,0 +1,14 @@
+
+public class L06 {
+
+ public static void main(String[] args) {
+ int sum=0;
+ for (int i = 0; i <=100; i++) {
+ if (i%2==0) {
+ sum=sum+i;
+ }
+ }
+ System.out.println(sum);
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L07.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2424d66e09b03a44c3e06df86c84738fca181134
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L07.java"
@@ -0,0 +1,18 @@
+import java.util.Scanner;
+
+public class L07 {
+
+ public static void main(String[] args) {
+ Scanner scan=new Scanner(System.in);
+ int a =scan.nextInt();
+ for (int i = 0; i =0&&score<=100) {
+ sum = sum + score;
+
+ } else {
+ System.out.println("改成绩有误，不列入计算！");
+ a++;
+
+ }
+
+
+ }
+ System.out.println("sum=" +sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo6.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a5ff58f0746af634172cecbd4932a4f5bb5ffe66
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo6.java"
@@ -0,0 +1,13 @@
+package com.md.lesson1;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ for (int i = 3; i <=9; i=i++) {
+ System.out.println( (i++) + "*" + "3" + "=" +"?" );
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo7.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo8.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo9.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo9.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Deom1.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Deom1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..09dce648583c1b7f3e6168f928a4c7d1345365b5
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Deom1.java"
@@ -0,0 +1,61 @@
+package com.md.lesson1;
+
+import java.util.Scanner;
+
+public class Deom1 {
+
+ public static void main(String[] args) {
+ System.out.println("*********************************");
+ System.out.println("*****微型计算器 ****");
+ System.out.println("*****1、求和 ****");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 ****");
+ System.out.println("*****5、求余 ****");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ System.out.println("*********************************");
+
+ Scanner scanner = new Scanner(System.in);
+ String choose = scanner.next();
+
+ System.out.println("请输入第一个数字：");
+ int a = scanner.nextInt();
+ System.out.println("请输入第二个数字：");
+ int b = scanner.nextInt();
+
+ switch (choose) {
+ case "1":
+ System.out.println("结果是："+(a+b));
+ break;
+ case "2":
+ System.out.println("结果是："+(a-b));
+ break;
+ case "3":
+ System.out.println("结果是："+(a*b));
+ break;
+ case "4":
+ System.out.println("结果是："+(a/b));
+ break;
+ case "5":
+ System.out.println("结果是："+(a%b));
+ break;
+ case "Q":
+ System.out.println("退出成功！");
+ break;
+
+
+
+ }
+
+
+
+
+
+ }
+
+
+
+ }
+
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f3c74f7a274792f9ce5d71460dd15212ba35b8d5
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom.java"
@@ -0,0 +1,36 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Deom {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请问今天是星期几 ");
+ int xin = scan.nextInt();
+
+ switch (xin) {
+ case 1:
+ System.out.println("跑步");
+ break;
+ case 2:
+ System.out.println("游泳");
+ break;
+ case 3:
+ System.out.println("慢走");
+ break;
+ case 4:
+ System.out.println("动感单车");
+ break;
+ case 5:
+ System.out.println("拳击");
+ break;
+ case 6:
+ System.out.println("爬山");
+ break;
+ case 7:
+ System.out.println("好好吃一顿");
+ break;
+ }
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom01.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..dcdbf908e8ef06b0df19ea7220f2dc45d69a35ac
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom01.java"
@@ -0,0 +1,62 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Deom01 {
+
+ public static void main(String[] args) {
+ System.out.println("1、求和 ");
+ System.out.println("2、求差 ");
+ System.out.println("3、求积 ");
+ System.out.println("4、求商 ");
+ System.out.println("5、求余 ");
+ System.out.println("Q、退出 ");
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请选择您想执行的操作 ");
+ String c = scan.next();
+
+
+ switch (c) {
+ case "1":
+ System.out.println("请输入第一个数");
+ int a = scan.nextInt();
+ System.out.println("请输入第二个数");
+ int b = scan.nextInt();
+ System.out.println("他们的和是"+ (a+b));
+ break;
+ case "2":
+ System.out.println("请输入第一个数");
+ int d = scan.nextInt();
+ System.out.println("请输入第二个数");
+ int e = scan.nextInt();
+ System.out.println("他们的差是"+ (d-e));
+ break;
+ case "3":
+ System.out.println("请输入第一个数");
+ int f = scan.nextInt();
+ System.out.println("请输入第二个数");
+ int g = scan.nextInt();
+ System.out.println("他们的积是"+ (f*g));
+ break;
+ case "4":
+ System.out.println("请输入第一个数");
+ int h = scan.nextInt();
+ System.out.println("请输入第二个数");
+ int i = scan.nextInt();
+ System.out.println("他们的商是"+ (h/i));
+ break;
+ case "5":
+ System.out.println("请输入第一个数");
+ int j = scan.nextInt();
+ System.out.println("请输入第二个数");
+ int k = scan.nextInt();
+ System.out.println("他们的余是"+ (j%k));
+ break;
+ case "Q":
+ System.out.println("end");
+ break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom03.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f612d9be09c02126c6d1a61783bc77966c9f81ee
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom03.java"
@@ -0,0 +1,13 @@
+package lession;
+
+public class Deom03 {
+
+ public static void main(String[] args) {
+ int a = 3;
+ while (a<10) {
+ System.out.println(3+"*"+a+"="+(a*3));
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom04.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9986cf3dc1905b91705de506286584c63caa95e3
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom04.java"
@@ -0,0 +1,26 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Deom04 {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ int a;
+ int b=0;
+ int c=0;
+ do {
+ System.out.println("number");
+ a=scan.nextInt();
+
+
+ if (b>0 && b<=100) {
+ b=a+b;
+ c++;
+ }
+ else {
+ System.out.println("该成绩有误，不列入计算");
+ }
+ } while (c<5);
+ System.out.println(b);
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom06.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..55ed49a136d956e0ea302f0b68d555e01e656ace
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom06.java"
@@ -0,0 +1,37 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Deom06 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入星期数 ");
+ int xin = scan.nextInt();
+
+ switch (xin) {
+ case 1:
+ System.out.println("工作日");
+ break;
+ case 2:
+ System.out.println("工作日");
+ break;
+ case 3:
+ System.out.println("工作日");
+ break;
+ case 4:
+ System.out.println("工作日");
+ break;
+ case 5:
+ System.out.println("工作日");
+ break;
+ case 6:
+ System.out.println("休息日");
+ break;
+ case 7:
+ System.out.println("休息日");
+ break;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom07.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2f910788aa7c047b662aa8f6a3031782c144d6ff
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom07.java"
@@ -0,0 +1,15 @@
+package lession;
+
+public class Deom07 {
+
+ public static void main(String[] args) {
+ int b = 0;
+ for (int i = 0; i <=100 ; i++) {
+ if (i%2==0) {
+ b = b + i;
+
+ }
+ }
+ System.out.println(b);
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom08.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bd7fc47be2ef842e47903c6367dcf0fe269382b1
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom08.java"
@@ -0,0 +1,14 @@
+package lession;
+
+public class Deom08 {
+
+ public static void main(String[] args) {
+ for (int i = 1998; i<=2008; i++) {
+ if(i%4==0){
+ System.out.println("闰年的是"+i);
+ }
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom09.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom09.java"
new file mode 100644
index 0000000000000000000000000000000000000000..36042e4523c6a25c1980f271bdc56dea05848fe5
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom09.java"
@@ -0,0 +1,23 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Deom09 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请用户输入一个数");
+ int a = scan.nextInt();
+ for (int i = 2; i = 0) {
+ c = b + c;
+ a++;
+ } else {
+ System.out.println("您输入错误");
+ }
+ }
+ System.out.println("总和为" + c);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo05.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..51075015d82e3dbeba6f9741d78d849439e9170a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo05.java"
@@ -0,0 +1,11 @@
+package fang;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ for (int i = 1; i <=10; i++) {
+ System.out.println(i*5);
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo06.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c05bdc7e527bd0f271c15aa48b9be5037f7c1226
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo06.java"
@@ -0,0 +1,39 @@
+package fang;
+
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ String a = scan.next();
+ switch (a) {
+ case "1":
+ System.out.println("工作日");
+ break;
+ case "2":
+ System.out.println("工作日");
+ break;
+ case "3":
+ System.out.println("工作日");
+ break;
+ case "4":
+ System.out.println("工作日");
+ break;
+ case "5":
+ System.out.println("工作日");
+ break;
+ case "6":
+ System.out.println("休息日");
+ break;
+ case "7":
+ System.out.println("休息日");
+ break;
+
+ default:
+ break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo07.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..523da97145a574641721f9ba25c4d53d2a177d1c
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo07.java"
@@ -0,0 +1,39 @@
+package fang;
+
+import java.util.Scanner;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ String a = scan.next();
+ switch (a) {
+ case "1":
+ System.out.println("跑步");
+ break;
+ case "2":
+ System.out.println("慢走");
+ break;
+ case "3":
+ System.out.println("动感单车");
+ break;
+ case "4":
+ System.out.println("拳击");
+ break;
+ case "5":
+ System.out.println("爬走");
+ break;
+ case "6":
+ System.out.println("吃饭");
+ break;
+ case "7":
+ System.out.println("休息日");
+ break;
+
+ default:
+ break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo08.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..db4c1bf50bca132c8d0b447510b353b3e5f4d16d
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo08.java"
@@ -0,0 +1,16 @@
+package fang;
+
+public class Demo08 {
+
+ public static void main(String[] args) {
+ int sum=0;
+ for (int i = 0; i <=100; i++) {
+ if (i%2==0) {
+ sum=sum+i;
+ }
+ }
+ System.out.println(sum);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo09.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo09.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0bfb3f0840cc0666255893fefb6cfeeada2b94ff
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo09.java"
@@ -0,0 +1,14 @@
+package fang;
+
+public class Demo09 {
+
+ public static void main(String[] args) {
+ for (int i = 1998; i <=2008; i++) {
+ if (i%4 ==0 &&i%100!= 0||i%400==0) {
+ System.out.println(i);
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo11.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo11.java"
new file mode 100644
index 0000000000000000000000000000000000000000..52003291556503c6d7be7d16a15b80f7aa6266e8
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo11.java"
@@ -0,0 +1,21 @@
+package fang;
+
+import java.util.Scanner;
+
+public class Demo11 {
+
+ public static void main(String[] args) {
+ Scanner scan=new Scanner(System.in);
+ int a =scan.nextInt();
+ for (int i = 0; i -0) {
+ a=b+a;
+ c++;
+ }else {
+ System.out.println("输入错误");
+ }
+ } while (c<=5);
+ System.out.println("成绩和是"+a);
+
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/\345\201\232\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo111.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/\345\201\232\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo111.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c0c53aacfd4d49bebfd8338bff95032042cc1521
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/\345\201\232\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo111.java"
@@ -0,0 +1,14 @@
+package com.md.lession77;
+
+public class Demo111 {
+public static void main(String[] args) {
+ int sum=0;
+ for (int i = 0; i <=100; i++) {
+ if (i%2==0) {
+ sum=sum+i;
+ }
+ }
+ System.out.println(sum);
+
+}
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/\345\201\232\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo222.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/\345\201\232\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo222.java"
new file mode 100644
index 0000000000000000000000000000000000000000..be005180a1ff6423c1394cb3fa891d7f4b6f66f4
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/\345\201\232\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo222.java"
@@ -0,0 +1,11 @@
+package com.md.lession77;
+
+public class Demo222 {
+public static void main(String[] args) {
+ for (int i = 1998; i <=2008; i++) {
+ if (i%4 ==0 &&i%100!= 0||i%400==0) {
+ System.out.println(i);
+ }
+ }
+}
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/\345\201\232\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo333.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/\345\201\232\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo333.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1037177399b4c235dac35fe5cd802e794cef1c4a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/\345\201\232\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo333.java"
@@ -0,0 +1,21 @@
+package com.md.lession77;
+
+import java.util.Scanner;
+
+public class Demo333 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan=new Scanner(System.in);
+ int a =scan.nextInt();
+ for (int i = 0; i 0) {
+ System.out.print("*");
+ a--;
+ }
+
+}
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo03.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..727408f1d62b4849cd8a7aeaf08b3589dbc92562
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo03.java"
@@ -0,0 +1,13 @@
+package lession;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ int a = 3;
+ while (a<10) {
+ System.out.println(a + "*" + 3 + "=" + (a*3));
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo04.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fc424d110d464d17e1075c0af13cff142bb96ec8
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo04.java"
@@ -0,0 +1,23 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ int a = 1;
+ int c = 0;
+ while (a<=5) {
+ System.out.println("请输入你第" + a + "次成绩");
+ int b = scanner.nextInt();
+ if(b>=0&&b<=100) {
+ c = b + c;
+ a++;
+ }else {
+ System.out.println("该成绩有误，不列入计算");
+ }
+ }
+ System.out.println("成绩总和" + c);
+}
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo05.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7c7b46d1c59d310d18d2a8d44bd75a5281c986a3
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo05.java"
@@ -0,0 +1,12 @@
+package lession;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ for(int a=1;a<=10;a++){
+ System.out.println(a*5);
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo06.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cbf864f8720f5a8afa27c2d1f32b74b3dd9107e3
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo06.java"
@@ -0,0 +1,42 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入星期几：");
+ int a = scanner.nextInt();
+
+ switch(a) {
+ case 1:
+ System.out.println("工作日");
+ break;
+ case 2:
+ System.out.println("工作日");
+ break;
+ case 3:
+ System.out.println("工作日");
+ break;
+ case 4:
+ System.out.println("工作日");
+ break;
+ case 5:
+ System.out.println("工作日");
+ break;
+ case 6:
+ System.out.println("休息日");
+ break;
+ case 7:
+ System.out.println("休息日");
+ break;
+ default:
+ System.out.println("你输错了！");
+ break;
+ }
+ System.out.println("end !");
+
+}
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo07.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..20b6dac023049db48b1648e888f69680c506530a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo07.java"
@@ -0,0 +1,42 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入星期几：");
+ int a = scanner.nextInt();
+
+ switch(a) {
+ case 1:
+ System.out.println("跑步");
+ break;
+ case 2:
+ System.out.println("游泳 ");
+ break;
+ case 3:
+ System.out.println("慢走");
+ break;
+ case 4:
+ System.out.println("动感单车");
+ break;
+ case 5:
+ System.out.println("拳击");
+ break;
+ case 6:
+ System.out.println("爬山");
+ break;
+ case 7:
+ System.out.println("好好吃一顿");
+ break;
+ default:
+ System.out.println("你输错了！");
+ break;
+ }
+ System.out.println("end !");
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo08.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1575d19bd47cd903da77d4add81878de6faa9e5e
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo08.java"
@@ -0,0 +1,18 @@
+package lession;
+
+public class Demo08 {
+
+ public static void main(String[] args) {
+ int sum=0;
+ for (int i = 0; i <=100; i++) {
+ if (i%2==0) {
+ sum=sum+i;
+ }
+ }
+ System.out.println(sum);
+
+ }
+
+
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo09.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo09.java"
new file mode 100644
index 0000000000000000000000000000000000000000..369ba0e28c0d7ca7a08024e5d73e4404f1fdfaac
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo09.java"
@@ -0,0 +1,15 @@
+package lession;
+
+public class Demo09 {
+
+ public static void main(String[] args) {
+ for (int i = 1998; i <=2008; i++) {
+ if (i%4 ==0 &&i%100!= 0||i%400==0) {
+ System.out.println(i);
+ }
+ }
+
+ }
+
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo10.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo10.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d26dd2926a746f537f0b9d8583246ca104278d6a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo10.java"
@@ -0,0 +1,22 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo10 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ int b=0;
+ System.out.println("请输入一个数");
+ int a= scanner.nextInt();
+ for (int i = 0; i <=a; i++) {
+ if(a%a==0&&a%1==0) {
+ System.out.println("素数");
+ return;
+ }else {
+ System.out.println("不是素数");
+ return;
+ }
+ }
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo01.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..abd416f4b0a6bace28f22328992ecbf1bdbc10d1
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo01.java"
@@ -0,0 +1,58 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("*********************************");
+ System.out.println("*****微型计算器 ****");
+ System.out.println("*****1、求和 ****");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 ****");
+ System.out.println("*****5、求余 ****");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ System.out.println("*********************************");
+
+ String i = scanner.next();
+ if (i=="Q") {
+ System.out.println("退出");
+ return;
+ } else {
+ System.out.println("请输入第一个数字：");
+ int a = scanner.nextInt();
+ System.out.println("请输入第二个数字：");
+ int b = scanner.nextInt();
+
+ switch(i) {
+ case "1":
+ System.out.println("他们的和为 " + ( a + b ) );
+ break;
+ case "2":
+ System.out.println("他们的差为" + ( a - b ) );
+ break;
+ case "3":
+ System.out.println("他们的积为" + ( a * b ) );
+ break;
+ case "4":
+ System.out.println("他们的商为" + ( a / b ) );
+ break;
+ case "5":
+ System.out.println("他们的余为" + ( a % b ) );
+ break;
+ case "Q":
+ System.out.println("退出");
+ break;
+ default:
+ System.out.println("你输错了");
+ break;
+ }
+
+}
+}
+}
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo02.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a27e49ceef24bb278b0188e0d2ff1883267e5923
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo02.java"
@@ -0,0 +1,13 @@
+package lession;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ int a = 10;
+ while (a>0) {
+ System.out.print("*");
+ a--;
+ }
+
+}
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo03.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..727408f1d62b4849cd8a7aeaf08b3589dbc92562
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo03.java"
@@ -0,0 +1,13 @@
+package lession;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ int a = 3;
+ while (a<10) {
+ System.out.println(a + "*" + 3 + "=" + (a*3));
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo04.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fc424d110d464d17e1075c0af13cff142bb96ec8
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo04.java"
@@ -0,0 +1,23 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ int a = 1;
+ int c = 0;
+ while (a<=5) {
+ System.out.println("请输入你第" + a + "次成绩");
+ int b = scanner.nextInt();
+ if(b>=0&&b<=100) {
+ c = b + c;
+ a++;
+ }else {
+ System.out.println("该成绩有误，不列入计算");
+ }
+ }
+ System.out.println("成绩总和" + c);
+}
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo05.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7c7b46d1c59d310d18d2a8d44bd75a5281c986a3
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo05.java"
@@ -0,0 +1,12 @@
+package lession;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ for(int a=1;a<=10;a++){
+ System.out.println(a*5);
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo06.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cbf864f8720f5a8afa27c2d1f32b74b3dd9107e3
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo06.java"
@@ -0,0 +1,42 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入星期几：");
+ int a = scanner.nextInt();
+
+ switch(a) {
+ case 1:
+ System.out.println("工作日");
+ break;
+ case 2:
+ System.out.println("工作日");
+ break;
+ case 3:
+ System.out.println("工作日");
+ break;
+ case 4:
+ System.out.println("工作日");
+ break;
+ case 5:
+ System.out.println("工作日");
+ break;
+ case 6:
+ System.out.println("休息日");
+ break;
+ case 7:
+ System.out.println("休息日");
+ break;
+ default:
+ System.out.println("你输错了！");
+ break;
+ }
+ System.out.println("end !");
+
+}
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo07.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..20b6dac023049db48b1648e888f69680c506530a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo07.java"
@@ -0,0 +1,42 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入星期几：");
+ int a = scanner.nextInt();
+
+ switch(a) {
+ case 1:
+ System.out.println("跑步");
+ break;
+ case 2:
+ System.out.println("游泳 ");
+ break;
+ case 3:
+ System.out.println("慢走");
+ break;
+ case 4:
+ System.out.println("动感单车");
+ break;
+ case 5:
+ System.out.println("拳击");
+ break;
+ case 6:
+ System.out.println("爬山");
+ break;
+ case 7:
+ System.out.println("好好吃一顿");
+ break;
+ default:
+ System.out.println("你输错了！");
+ break;
+ }
+ System.out.println("end !");
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo08.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1575d19bd47cd903da77d4add81878de6faa9e5e
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo08.java"
@@ -0,0 +1,18 @@
+package lession;
+
+public class Demo08 {
+
+ public static void main(String[] args) {
+ int sum=0;
+ for (int i = 0; i <=100; i++) {
+ if (i%2==0) {
+ sum=sum+i;
+ }
+ }
+ System.out.println(sum);
+
+ }
+
+
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo09.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo09.java"
new file mode 100644
index 0000000000000000000000000000000000000000..369ba0e28c0d7ca7a08024e5d73e4404f1fdfaac
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo09.java"
@@ -0,0 +1,15 @@
+package lession;
+
+public class Demo09 {
+
+ public static void main(String[] args) {
+ for (int i = 1998; i <=2008; i++) {
+ if (i%4 ==0 &&i%100!= 0||i%400==0) {
+ System.out.println(i);
+ }
+ }
+
+ }
+
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo10.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo10.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d26dd2926a746f537f0b9d8583246ca104278d6a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo10.java"
@@ -0,0 +1,22 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo10 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ int b=0;
+ System.out.println("请输入一个数");
+ int a= scanner.nextInt();
+ for (int i = 0; i <=a; i++) {
+ if(a%a==0&&a%1==0) {
+ System.out.println("素数");
+ return;
+ }else {
+ System.out.println("不是素数");
+ return;
+ }
+ }
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo1.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..81f21b19eee2acd386481f5b1711da2ba7a7a8b4
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo1.java"
@@ -0,0 +1,54 @@
+package lession1;
+
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("*********************************");
+ System.out.println("*****微型计算器 ****");
+ System.out.println("*****1、求和 ****");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 ****");
+ System.out.println("*****5、求余 ****");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ System.out.println("*********************************");
+
+ String a = scan.next();
+
+ if (a.equals("Q")) {
+ System.out.println("退出");
+ return;
+
+ } else {
+ System.out.println("请输入第一个数字");
+ int b = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ int c = scan.nextInt();
+ switch (a) {
+ case "1":
+ System.out.println("他们的和" + (b + c));
+ break;
+ case "2":
+ System.out.println("他们的差" + (b - c));
+ break;
+ case "3":
+ System.out.println("他们的积" + (b * c));
+ break;
+ case "4":
+ System.out.println("他们的商" + (b / c));
+ break;
+ case "5":
+ System.out.println("他们的余" + (b % c));
+ break;
+ default:
+ System.out.println("你输入错误");
+ break;
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo10.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo10.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8cf9790ac85775761113e2e5d54241e355059294
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo10.java"
@@ -0,0 +1,22 @@
+package lession1;
+
+import java.util.Scanner;
+
+public class Demo10 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan=new Scanner(System.in);
+ int a =scan.nextInt();
+ for (int i = 0; i = 0) {
+ c = b + c;
+ } else {
+ System.out.println("您输入错误");
+ }
+ }
+ System.out.println("总和为" + c);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo5.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..19519f6f2ff40a48ca34ea1b291ad8071aae912e
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo5.java"
@@ -0,0 +1,41 @@
+package lession1;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ String a = scan.next();
+ switch (a) {
+ case "1":
+ System.out.println("工作日");
+ break;
+ case "2":
+ System.out.println("工作日");
+ break;
+ case "3":
+ System.out.println("工作日");
+ break;
+ case "4":
+ System.out.println("工作日");
+ break;
+ case "5":
+ System.out.println("工作日");
+ break;
+ case "6":
+ System.out.println("休息日");
+ break;
+ case "7":
+ System.out.println("休息日");
+ break;
+
+ default:
+ System.out.println("你输入的错误");
+ break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo6.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1287e78be1de9d9e498fd99cd770961be5d2acf3
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo6.java"
@@ -0,0 +1,43 @@
+package lession1;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ String a = scan.next();
+ switch (a) {
+
+ case "1":
+ System.out.println("跑步");
+ break;
+ case "2":
+ System.out.println("慢走");
+ break;
+ case "3":
+ System.out.println("动感单车");
+ break;
+ case "4":
+ System.out.println("拳击");
+ break;
+ case "5":
+ System.out.println("攀爬");
+ break;
+ case "6":
+ System.out.println("吃饭");
+ break;
+ case "7":
+ System.out.println("休息日");
+ break;
+ default:
+ System.out.println("输入有误");
+ break;
+
+
+
+ }
+
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo7.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6cc6e87d1c6bd0ead5691c3964b9a4827017d579
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo7.java"
@@ -0,0 +1,15 @@
+package lession1;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1998; i <= 2008; i++) {
+ if (i % 4 == 0 && i % 100 != 0 || i % 400 == 0) {
+ System.out.println(i);
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo8.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..716d4f19cc47af0b7d2fe025cf02ecc12060d11d
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo8.java"
@@ -0,0 +1,19 @@
+package lession1;
+
+import java.util.Scanner;
+
+public class Demo8 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int a=0;
+ for (int i = 0; i <=100; i++) {
+ if (i%2==0) {
+ a=a+i;
+ }
+ }
+ System.out.println(a);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo9.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo9.java"
new file mode 100644
index 0000000000000000000000000000000000000000..234753d382ff8e02a50681c0779363673c4375b6
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo9.java"
@@ -0,0 +1,13 @@
+package lession1;
+
+public class Demo9 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1; i <= 10; i++) {
+ System.out.println(i * 5);
+
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\344\271\230\346\263\225\350\241\250.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\344\271\230\346\263\225\350\241\250.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2904d822878210c61acbdabf6ed598d6852efbc1
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\344\271\230\346\263\225\350\241\250.java"
@@ -0,0 +1,15 @@
+package 东东;
+
+public class 乘法表 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a=1;
+ while (a<=9) {
+ System.out.println(3+"*"+ a +"="+(3*a));
+ a++;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\201\266\346\225\260\346\261\202\345\222\214.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\201\266\346\225\260\346\261\202\345\222\214.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7fe45967c156d85d21496060b67aa6ac6eda8c83
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\201\266\346\225\260\346\261\202\345\222\214.java"
@@ -0,0 +1,16 @@
+package 东东;
+
+public class 偶数求和 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum=0;
+ for(int a=1;a<=100;a++) {if(a%2==0) {sum=sum+a;}
+ System.out.println("1-100的偶数合："+sum);
+
+
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\207\217\350\202\245\350\256\241\345\210\222.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\207\217\350\202\245\350\256\241\345\210\222.java"
new file mode 100644
index 0000000000000000000000000000000000000000..97de0975b522c39968979b01ff3dd7a53d126ed8
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\207\217\350\202\245\350\256\241\345\210\222.java"
@@ -0,0 +1,48 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class 减肥计划 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+Scanner scanner = new Scanner(System.in);
+System.out.println("请输入数字");
+String a=scanner.next();
+switch(a) {
+case "1":
+System.out.println("跑步");
+break;
+case "2":
+System.out.println("游泳 ");
+break;
+case "3":
+System.out.println("慢走");
+break;
+case "4":
+System.out.println("动感单车");
+break;
+case "5":
+System.out.println("拳击");
+break;
+case "6":
+System.out.println("爬山 ");
+break;
+case "7":
+System.out.println("好好吃一顿 ");
+break;
+
+
+
+}
+
+
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\267\245\344\275\234\344\274\221\346\201\257\346\227\245.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\267\245\344\275\234\344\274\221\346\201\257\346\227\245.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3e3618af419650f4046c545c4d5982b14f398439
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\267\245\344\275\234\344\274\221\346\201\257\346\227\245.java"
@@ -0,0 +1,34 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class 工作休息日 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入数字");
+ String a=scanner.next();
+ switch(a) {
+ case "1":
+ System.out.println("工作日");
+ case "2":
+ System.out.println("工作日");
+ case "3":
+ System.out.println("工作日");
+ case "4":
+ System.out.println("工作日");
+ case "5":
+ System.out.println("工作日");
+ case "6":
+ System.out.println("休息日");
+ case "7":
+ System.out.println("休息日");
+
+
+
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\276\252\347\216\257\346\210\220\347\273\251\346\261\202\345\222\214.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\276\252\347\216\257\346\210\220\347\273\251\346\261\202\345\222\214.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7ef91b5843af5bd159ddf4c2c029b4e4d29db22a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\276\252\347\216\257\346\210\220\347\273\251\346\261\202\345\222\214.java"
@@ -0,0 +1,30 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class 循环成绩求和 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a=1;
+ int sum=0;
+ Scanner scanner = new Scanner(System.in);
+while(a<=5) {
+ System.out.println("请输入你的" + a + "次成绩");
+ int b=scanner.nextInt();
+ a++;
+ if(b<=100&b>=0) {sum=sum+b;}else {System.out.println("输入错误，请重新输入");}
+
+
+
+}
+System.out.println("总和为" + sum);
+ }
+
+
+
+
+
+
+ }
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\276\256\345\236\213\350\256\241\347\256\227\345\231\250.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\276\256\345\236\213\350\256\241\347\256\227\345\231\250.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fa96eb7326d36c5358311eb7aabbcbcdc1862db8
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\276\256\345\236\213\350\256\241\347\256\227\345\231\250.java"
@@ -0,0 +1,64 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class 微型计算器 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("*********************************");
+ System.out.println("*****微型计算器 ****");
+ System.out.println("*****1、求和 ****");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 ****");
+ System.out.println("*****5、求余 ****");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ System.out.println("*********************************");
+ System.out.println("请输入1||2||3||4||5||Q");
+ String a = scan.next();
+ if (a=="Q") {
+ System.out.println("退出");
+ } else {
+
+
+ System.out.println("请输入第一个数字");
+ int b = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ int c = scan.nextInt();
+ switch (a) {
+ case "1":
+
+ System.out.println("他们的和" + (b + c));
+ break;
+ case "2":
+
+ System.out.println("他们的差" + (b - c));
+ break;
+ case "3":
+
+ System.out.println("他们的积" + (b * c));
+ break;
+ case "4":
+
+ System.out.println("他们的商" + (b / c));
+ break;
+ case "5":
+
+ System.out.println("他们的余" + (b % c));
+ break;
+ case "Q":
+
+ System.out.println("退出");
+ break;
+
+ default:
+ System.out.println("你输入错误");
+ break;
+ }
+ }
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\347\264\240\345\255\227.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\347\264\240\345\255\227.java"
new file mode 100644
index 0000000000000000000000000000000000000000..298dd53713cfdbe874769a17cfc128694235de3c
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\347\264\240\345\255\227.java"
@@ -0,0 +1,23 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class 素字 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ int i;
+ Scanner scanner = new Scanner(System.in);
+ for (i = 0; i < 100; i++) {
+ System.out.println("请输入一个数字");
+ int n = scanner.nextInt();
+ if (n % 1 == 0 && n % n == 0) {
+ System.out.println("这个数字是一个素数");
+ } else {
+ System.out.println("这个数字不是一个素数");
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\351\227\260\345\271\264.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\351\227\260\345\271\264.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d18a9de21543b09c9d3e3947801c3257a821d3ac
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\351\227\260\345\271\264.java"
@@ -0,0 +1,24 @@
+package 东东;
+
+public class 闰年 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for(int i = 1998; i <=2008; i++) {
+ if(i%4==0&&i%100==0||i%400==0) {System.out.println("符合闰年："+i);}
+
+
+
+
+ }
+
+
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo01.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c3e2350582808476e5f75b94da2ca3f3af64fdf1
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo01.java"
@@ -0,0 +1,68 @@
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+
+
+ //微型计算器
+
+ System.out.println("*************************");
+ System.out.println("*******微型计算器********");
+ System.out.println("******** 1、求和 ********");
+ System.out.println("******** 2、求差 ********");
+ System.out.println("******** 3、求积 ********");
+ System.out.println("******** 4、求商 ********");
+ System.out.println("******** 5、求余 ********");
+ System.out.println("******** Q、退出 ********");
+ System.out.println("*************************");
+
+ Scanner abc = new Scanner(System.in);
+
+ System.out.println("请选择");
+ String a = abc.next();
+
+ switch (a) {
+ case "1":
+ System.out.println("请输入第一个数：");
+ int b = abc.nextInt();
+ System.out.println("请输入第二个数：");
+ int c = abc.nextInt();
+ System.out.println("结果为："+ (b+c));
+ break;
+ case "2":
+ System.out.println("请输入第一个数：");
+ int numb1 = abc.nextInt();
+ System.out.println("请输入第二个数：");
+ int numb2 = abc.nextInt();
+ System.out.println("结果为："+ (numb1 - numb2));
+ break;
+ case "3":
+ System.out.println("请输入第一个数：");
+ int numb3 = abc.nextInt();
+ System.out.println("请输入第二个数：");
+ int numb4 = abc.nextInt();
+ System.out.println("结果为："+ (numb3*numb4));
+ break;
+ case "4":
+ System.out.println("请输入第一个数：");
+ int numb5 = abc.nextInt();
+ System.out.println("请输入第二个数：");
+ int numb6 = abc.nextInt();
+ System.out.println("结果为："+ (numb5/numb6));
+ break;
+ case "5":
+ System.out.println("请输入第一个数：");
+ int numb7 = abc.nextInt();
+ System.out.println("请输入第二个数：");
+ int numb8 = abc.nextInt();
+ System.out.println("结果为："+ (numb7%numb8));
+ break;
+ case "Q":
+ System.out.println("end");
+ break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo02.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..545ad90a50e832d3185f198d3bc886d3eeae6cbe
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo02.java"
@@ -0,0 +1,31 @@
+import java.util.Scanner;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+
+
+ //工作日休息日
+
+ Scanner abc = new Scanner(System.in);
+
+ System.out.println("请输入星期几");
+ int a = abc.nextInt();
+
+ switch(a) {
+ case 1 :
+ case 2 :
+ case 3 :
+ case 4 :
+ case 5 :
+ System.out.println("工作日");
+ break;
+ case 6 :
+ case 7 :
+ System.out.println("休息日");
+ break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo03.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..aa5729f773c6fd038d050efbcacd665f69ff3f8c
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo03.java"
@@ -0,0 +1,41 @@
+import java.util.Scanner;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+
+
+ //减肥活动
+
+
+ Scanner abc = new Scanner(System.in);
+
+ System.out.println("请输入星期几");
+ int a = abc.nextInt();
+
+ switch(a) {
+ case 1 :
+ System.out.println("跑步");
+ break;
+ case 2 :
+ System.out.println("游泳");
+ break;
+ case 3 :
+ System.out.println("慢走");
+ break;
+ case 4 :
+ System.out.println("动感单车");
+ break;
+ case 5 :
+ System.out.println("拳击");
+ break;
+ case 6 :
+ System.out.println("爬山");
+ break;
+ case 7 :
+ System.out.println("好好吃一顿");
+ break;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo04.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b5685f2aa0a842627d0b76362a70a8da4a572555
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo04.java"
@@ -0,0 +1,31 @@
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+
+
+
+ //循环求和
+
+
+
+ Scanner abc = new Scanner(System.in);
+
+ int h = 0;
+ int b = 0;
+ do {
+ System.out.println("请输入一个数");
+ int a = abc.nextInt();
+ if(a >= 0 &&a <= 100) {
+ b = a + b ;
+ h++;
+ }else {
+ System.out.println("该成绩有误，不列入计算");
+ }
+
+ } while (h<5);
+ System.out.println("五个数的和是："+ b);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo05.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d0545813700f705bfd1aa05723c3d3c3f615c3d7
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo05.java"
@@ -0,0 +1,19 @@
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+
+
+ //乘法表
+
+
+ int a = 3;
+ int b = 1;
+ while(b<=7) {
+ System.out.println(3+"*"+a+"="+(a*3));
+ a++;
+ b++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo06.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ec09b2ca060ac19f5b04701a835c9357863d80ac
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo06.java"
@@ -0,0 +1,29 @@
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+
+
+ //素数
+
+
+ Scanner abc = new Scanner(System.in);
+
+ System.out.println("请输入一个数");
+ int a = abc.nextInt();
+ for (int i=2;i=0 && a<=100) {
+ b=b+a;
+ c++; //c++放这表示出错则排除该错误弄五个相加
+ }else {
+ System.out.println("该成绩有误，不列入计算！"); //c++放这表示出错该错误保留，四个相加
+ }
+
+ }
+ System.out.println("输出的结果和为："+b);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/For.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/For.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a99d0efe62cecef46862bb0a5f52775993cd27f5
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/For.java"
@@ -0,0 +1,13 @@
+package com.md.lession7;
+
+public class For {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ for (int i = 0; i <=10; i++) {
+ System.out.println(5+"*"+i+"="+(i*5));
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Gongzuo.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Gongzuo.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8e6805621841b4dff68bf97ff8b6718e05361219
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Gongzuo.java"
@@ -0,0 +1,38 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Gongzuo {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ String a = scan.next();
+ switch (a) {
+ case "1":
+ System.out.println("跑步");
+ break;
+ case "2":
+ System.out.println("慢走");
+ break;
+ case "3":
+ System.out.println("动感单车");
+ break;
+ case "4":
+ System.out.println("拳击");
+ break;
+ case "5":
+ System.out.println("爬走");
+ break;
+ case "6":
+ System.out.println("吃饭");
+ break;
+ case "7":
+ System.out.println("休息日");
+ break;
+
+ default:
+ break;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Jisuanqi.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Jisuanqi.java"
new file mode 100644
index 0000000000000000000000000000000000000000..78bff8100d247129fd789068b0e11f66e7594ac4
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Jisuanqi.java"
@@ -0,0 +1,55 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Jisuanqi {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("*********************************\r\n" +
+ "*****微型计算器 ****\r\n" +
+ "*****1、求和 ****\r\n" +
+ "*****2、求差 ****\r\n" +
+ "*****3、求积 ****\r\n" +
+ "*****4、求商 ****\r\n" +
+ "*****5、求余 ****\r\n" +
+ "*****Q、退出 ****\r\n" +
+ "*****请选择您想执行的操作 ****\r\n" +
+ "*********************************");
+ String i = scanner.next();
+ if (i.equals("Q")) {
+ System.out.println("退出程序！");
+ return;
+ }
+ System.out.println("请输入第一个数字：");
+ int a = scanner.nextInt();
+ System.out.println("请输入第二个数字：");
+ int b = scanner.nextInt();
+
+ switch (i) {
+ case "1":
+ System.out.println(a+b);
+ break;
+ case "2":
+ System.out.println(a-b);
+ break;
+ case "3":
+ System.out.println(a*b);
+ break;
+ case"4":
+ System.out.println(a/b);
+ break;
+ case "5":
+ System.out.println(a%b);
+ break;
+
+ default:
+ System.out.println("退出程序！");
+ break;
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Qiuhe.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Qiuhe.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ca8b305d56d0872040c87c112277fe35060e41b0
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Qiuhe.java"
@@ -0,0 +1,17 @@
+package com.md.lession7;
+
+public class Qiuhe {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a = 3;
+
+ while (a<=10) {
+ System.out.println(3+"*"+a+"="+(a*3));
+ int c = (a*3+(a+1)*3);
+ a++;
+ System.out.println(c);
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Runnian.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Runnian.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6c5a3f4df4a48b72166d25ec9a70df1616684448
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Runnian.java"
@@ -0,0 +1,14 @@
+package com.md.lession7;
+
+public class Runnian {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1998; i <=2008; i++) {
+ if (i%4 ==0 &&i%100!= 0||i%400==0) {
+ System.out.println(i);
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Sum.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Sum.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e87e29b2f12c287c7e118e06d06333ebd5f3832f
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Sum.java"
@@ -0,0 +1,17 @@
+package com.md.lession7;
+
+public class Sum {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum=0;
+ for (int i = 0; i <=100; i++) {
+ if (i%2==0) {
+ sum=sum+i;
+ }
+ }
+ System.out.println(sum);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Xhqh.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Xhqh.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ecd14a985a4df947382840e200584b3dff35049a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Xhqh.java"
@@ -0,0 +1,26 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Xhqh {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ int a = 1;
+ int sum = 0;
+ while (a<=5) {
+ System.out.println("请输入成绩:");
+ int score = scanner.nextInt();
+ if (score>=0&&score<=100) {
+
+ sum = sum +score;
+ a++;
+ }else {
+ System.out.println("该成绩有误，不计入计算");
+ }
+ }
+ System.out.println(sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Xunhuanyunsuan.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Xunhuanyunsuan.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b02aa11f1393bb0c68caf5af5bfe4ba7857b7ab2
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Xunhuanyunsuan.java"
@@ -0,0 +1,20 @@
+package com.md.lession7;
+
+public class Xunhuanyunsuan {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a = 3;
+ while (a<=10) {
+ System.out.println(3+"*"+3+"="+(a*3));
+ a++;
+
+ }
+ int b = 10;
+ while (b>0) {
+ System.out.println("**********");
+ b--;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/F02.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/F02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..821cd84baa92c032c777c5aeb7f5a408ac930a40
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/F02.java"
@@ -0,0 +1,12 @@
+package yang;
+
+public class F02 {
+public static void main(String[] args) {
+ int sum=0;
+ for (int i = 0; i <=100; i+=2) {
+
+ sum= sum+i;
+ System.out.println(sum);
+ }
+}
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/F03.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/F03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..432dc4f0343517dfcec92dadb423266351485ba4
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/F03.java"
@@ -0,0 +1,15 @@
+package yang;
+
+public class F03 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1997; i <2009; i++) {
+ if ((i%4==0 && !(i%100==0)) || i%400==0) {
+ System.out.println(i);
+ }
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/L01.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/L01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9ea898818577144b2a742cec0dae151ea401b069
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/L01.java"
@@ -0,0 +1,48 @@
+package miao.qiong;
+
+import java.util.Scanner;
+
+public class L01 {
+ public static void main(String[] args) {
+ Scanner liang = new Scanner(System.in);
+
+ System.out.println("*********************************\r\n" + "*****微型计算器 ****\r\n"
+ + "*****1、求和 ****\r\n" + "*****2、求差 ****\r\n"
+ + "*****3、求积 ****\r\n" + "*****4、求商 ****\r\n"
+ + "*****5、求余 ****\r\n" + "*****Q、退出 ****\r\n"
+ + "*****请选择您想执行的操作 ****\r\n" + "*********************************");
+ System.out.println("请选择操作");
+ String a = liang.next();
+ if (!a.equals("Q")) {
+ System.out.println("请输入一个数字");
+ int b = liang.nextInt();
+ System.out.println("请再输入一个数字");
+ int c = liang.nextInt();
+
+ switch (a) {
+ case "1":
+ System.out.println(b + c);
+ break;
+ case "2":
+ System.out.println(b - c);
+ break;
+ case "3":
+ System.out.println(b * c);
+ break;
+
+ case "4":
+ System.out.println(b / c);
+ break;
+
+ case "5":
+ System.out.println(b % c);
+ break;
+ }
+ }else {
+ System.out.println("退出成功！");
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/L04.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/L04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f4dba0a876c04cece995716a9b52947fc7d0f24d
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/L04.java"
@@ -0,0 +1,28 @@
+package miao.qiong;
+
+import java.util.Scanner;
+
+public class L04 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a = 1;
+ int d = 0;
+ Scanner liang = new Scanner(System.in);
+
+ do {
+ System.out.println("請輸入一個數");
+ int b = liang.nextInt();
+ if (!(b >= 0 && b <= 100)) {
+ System.out.println("該成績有誤，不列入计算");
+ } else {
+ d = d + b;
+ a++;
+ }
+
+ } while (a <= 5);
+ System.out.println("成績綜合為"+"="+d);
+ System.out.println("END");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Switch01.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Switch01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b928dcdd62cb2e3617c914323420a71ca94849e2
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Switch01.java"
@@ -0,0 +1,30 @@
+package miao.qiong;
+
+import java.util.Scanner;
+
+public class Switch01 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner lian=new Scanner(System.in);
+
+ System.out.println("輸入星期數");
+ int a=lian.nextInt();
+
+ switch (a) {
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ case 5:
+ System.out.println("工作日");
+ break;
+ case 6:
+ case 7:
+ System.out.println("休息日");
+ break;
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Switch02.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Switch02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5187adb2823ce86e176fdfcda5efe56e3bd717c8
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Switch02.java"
@@ -0,0 +1,44 @@
+package miao.qiong;
+
+import java.util.Scanner;
+
+public class Switch02 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ Scanner lian=new Scanner(System.in);
+
+ System.out.println("今天星期幾");
+ int a=lian.nextInt();
+ switch (a) {
+ case 1:
+ System.out.println("跑步");
+ break;
+ case 2:
+ System.out.println("游泳");
+ break;
+ case 3:
+ System.out.println("慢走");
+ break;
+ case 4:
+ System.out.println("动感单车");
+ break;
+ case 5:
+ System.out.println("拳击");
+ break;
+ case 6:
+ System.out.println("爬山");
+ break;
+ case 7:
+ System.out.println("好好吃一顿");
+ break;
+
+ default:
+ break;
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/While01.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/While01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..58c21b3ed28fa353c14ef637035c7fe96b9650c7
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/While01.java"
@@ -0,0 +1,14 @@
+package miao.qiong;
+
+public class L02 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a=1;
+ while (a<10) {
+ System.out.println(3+"*"+a +"="+ (3*a) );
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less1.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..db569b60cee547211dc2ff2418d4bc39c3894942
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less1.java"
@@ -0,0 +1,17 @@
+package com.cm.less;
+
+import java.util.Scanner;
+
+public class Less1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan =new Scanner(System.in);
+ int a=3;
+ while (a<=9) {
+ System.out.println("3"+"*"+a+"="+(a*3));
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less2.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..22fd6fc2bcaf8c7a6d111f6113bf71d312a8d0a2
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less2.java"
@@ -0,0 +1,41 @@
+package com.cm.less;
+
+import java.util.Scanner;
+
+public class Less2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan =new Scanner(System.in);
+ int a;
+ System.out.println("请输入星期数");
+ a=scan.nextInt();
+ switch (a) {
+ case 1:
+ System.out.println("工作日");
+ break;
+ case 2:
+ System.out.println("工作日");
+ break;
+ case 3:
+ System.out.println("工作日");
+ break;
+ case 4:
+ System.out.println("工作日");
+ break;
+ case 5:
+ System.out.println("工作日");
+ break;
+ case 6:
+ System.out.println("休息日");
+ break;
+ case 7:
+ System.out.println("休息日");
+ break;
+ default:
+ System.out.println("程序错误");
+ break;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less3.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..54e653b2a0806cf3f4f0752841a708ae601f3325
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less3.java"
@@ -0,0 +1,39 @@
+package com.cm.less;
+
+import java.util.Scanner;
+
+public class Less3 {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan =new Scanner(System.in);
+ int a;
+ System.out.println("请问今天是星期几？1--7");
+ a=scan.nextInt();
+ switch (a) {
+ case 1:
+ System.out.println("今天的减肥活动是："+"跑步 ");
+ break;
+ case 2:
+ System.out.println("今天的减肥活动是："+"游泳");
+ break;
+ case 3:
+ System.out.println("今天的减肥活动是："+"慢走 ");
+ break;
+ case 4:
+ System.out.println("今天的减肥活动是："+"动感单车");
+ break;
+ case 5:
+ System.out.println("今天的减肥活动是："+"拳击");
+ break;
+ case 6:
+ System.out.println("今天的减肥活动是："+"爬山");
+ break;
+ case 7:
+ System.out.println("今天的减肥活动是："+"好好吃一顿");
+ break;
+ default:
+ System.out.println("程序错误");
+ break;
+ }
+}
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less4.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..aae635c381f423645b3ec3b209607753faaff388
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less4.java"
@@ -0,0 +1,21 @@
+package com.cm.less;
+
+import java.util.Iterator;
+import java.util.Scanner;
+
+public class Less4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan =new Scanner(System.in);
+ int a;
+ int sum=0;
+ for (a = 0; a<=100; a++) {
+ if (a%2==0) {
+ sum=sum+a;
+ }
+ }
+ System.out.println(sum);
+ }
+ }
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less5.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..79a980e620c8daf1c6dbbbc46e5a6e32a5caae8b
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less5.java"
@@ -0,0 +1,19 @@
+package com.cm.less;
+
+import java.util.Scanner;
+
+public class Less5 {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan =new Scanner(System.in);
+ for (int a = 1998; a>=1988 && a<=2008; a++) {
+ if (a%4==0 && a%400!=0 ||a/100==0) {
+ System.out.println(a+"今年是闰年");
+ }else {
+ System.out.println(a+"今年不是闰年");
+ }
+ System.out.println("程序结束");
+ }
+
+}
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less6.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0e5f24f5c8abdd494a3fa545f41e98e21060ae69
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less6.java"
@@ -0,0 +1,26 @@
+package com.cm.less;
+
+import java.util.Scanner;
+
+public class Less6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入一个数");
+ int num=scan.nextInt();
+ boolean num2=true;
+ if(num>2) {
+ for (int i = 2; i < num; i++) {
+ if(num%i==0) {
+ num2=false;
+ }
+ }
+ String b=num2?"是素数":"不是素数";
+ System.out.println(b);
+ }else {
+ System.out.println("不是素数");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less7.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..423ac0866775ba7fe5cf4be0d35ce571b3644522
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less7.java"
@@ -0,0 +1,51 @@
+package com.cm.less;
+
+import java.util.Scanner;
+
+public class Less7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ System.out.println("*********************************");
+ System.out.println("*****微型计算器 ****");
+ System.out.println("*****1、求和 ****");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 ****");
+ System.out.println("*****5、求余 ****");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ System.out.println("*********************************");
+
+ Scanner scan =new Scanner(System.in);
+ System.out.println("请输入数字");
+ int c=scan.nextInt();
+ int a;
+ int b;
+ System.out.println("请输入一个数");
+ a=scan.nextInt();
+ System.out.println("请输入二个数");
+ b=scan.nextInt();
+ switch (c) {
+ case 1:
+ System.out.println(a+b);
+ break;
+ case 2:
+ System.out.println(a-b);
+ break;
+ case 3:
+ System.out.println(a*b);
+ break;
+ case 4:
+ System.out.println(a/b);
+ break;
+ case 5:
+ System.out.println(a%b);
+ break;
+ default:
+ System.out.println("程序错误");
+ break;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less8.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7f1cfb2f547dd3aa31412c177fe89bb64e2b5170
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less8.java"
@@ -0,0 +1,27 @@
+package com.cm.less;
+
+import java.util.Scanner;
+
+public class Less8 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan =new Scanner(System.in);
+ int a=1;
+ int sum=0;
+ while (a<=5) {
+ System.out.println("请输入五个数");
+ int b=scan.nextInt();
+ if (b>=0 && b<=100) {
+ sum=b+sum;
+ a++;
+ }else {
+ System.out.println("该成绩有误，不列入计算");
+ }
+
+
+ }
+ System.out.println(sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/chengfabiao.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/chengfabiao.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f1541b4ff33e6583d2c2a6cc8ef0fbd73600e4f6
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/chengfabiao.java"
@@ -0,0 +1,21 @@
+package lesson;
+
+public class chengfabiao {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a = 3;
+ do {
+ System.out.println(3+"*"+a+"="+(a*3));
+ a++;
+ }while(a<=10);
+ while(a<=10){
+ System.out.println(3+"*"+a+"="+(a*3));
+ a++;
+ }
+ }
+
+
+ }
+
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/jianfei.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/jianfei.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0ff8c8efd7fec8c9afe7dd8679480201a72a60c6
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/jianfei.java"
@@ -0,0 +1,42 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class jianfei {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入星期几：");
+ int a = scanner.nextInt();
+
+ switch(a) {
+ case 1:
+ System.out.println("跑步");
+ break;
+ case 2:
+ System.out.println("游泳 ");
+ break;
+ case 3:
+ System.out.println("慢走");
+ break;
+ case 4:
+ System.out.println("动感单车");
+ break;
+ case 5:
+ System.out.println("拳击");
+ break;
+ case 6:
+ System.out.println("爬山");
+ break;
+ case 7:
+ System.out.println("好好吃一顿");
+ break;
+ default:
+ System.out.println("你输错了！");
+ break;
+ }
+ System.out.println("end !");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/jisuanqi.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/jisuanqi.java"
new file mode 100644
index 0000000000000000000000000000000000000000..eb4e2d92ae4423401f9f2843586e85e3e3828b70
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/jisuanqi.java"
@@ -0,0 +1,65 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class jisuanqi {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("*********************************");
+ System.out.println("*****微型计算器 ****");
+ System.out.println("*****1、求和 ****");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 ****");
+ System.out.println("*****5、求余 ****");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ System.out.println("*********************************");
+ String a = scan.next();
+ if (a=="Q") {
+ System.out.println("退出");
+ return;
+ } else {
+
+
+ System.out.println("请输入第一个数字");
+ int b = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ int c = scan.nextInt();
+ switch (a) {
+ case "1":
+
+ System.out.println("他们的和" + (b + c));
+ break;
+ case "2":
+
+ System.out.println("他们的差" + (b - c));
+ break;
+ case "3":
+
+ System.out.println("他们的积" + (b * c));
+ break;
+ case "4":
+
+ System.out.println("他们的商" + (b / c));
+ break;
+ case "5":
+
+ System.out.println("他们的余" + (b % c));
+ break;
+ case "Q":
+
+ System.out.println("退出");
+ break;
+
+ default:
+ System.out.println("你输入错误");
+ break;
+ }
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/oushhuqiuhe.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/oushhuqiuhe.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8846cc3d364160ccbe7232c815ce85b397ce8c6f
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/oushhuqiuhe.java"
@@ -0,0 +1,16 @@
+package lesson;
+
+public class oushhuqiuhe {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum=0;
+ for (int i = 0; i <=100; i++) {
+ if (i%2==0) {
+ sum=sum+i;
+ }
+ }
+ System.out.println(sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/runnian.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/runnian.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c3a8e12e18a0195c9c0745a6717f762e06ca9b5d
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/runnian.java"
@@ -0,0 +1,15 @@
+package lesson;
+
+public class runnian {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1998; i <=2008; i++) {
+ if (i%4 ==0 &&i%100!= 0||i%400==0) {
+ System.out.println(i);
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/sushu.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/sushu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f40432f348f061171c9b250fd5decc01d1883be4
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/sushu.java"
@@ -0,0 +1,24 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class sushu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入数字");
+ int c= scan.nextInt();
+
+for (int i = 2; i < 100; i++) {
+ if(c/i==0 ){
+ System.out.println("是素数");
+
+
+ }
+ else {System.out.println("不是素数");}
+}
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/today.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/today.java"
new file mode 100644
index 0000000000000000000000000000000000000000..118b27cb9fddc54ecc583f9e11931da646363435
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/today.java"
@@ -0,0 +1,46 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class today {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入星期几：");
+ int a = scanner.nextInt();
+ switch(a) {
+ case 1:
+ System.out.println("工作日");
+ break;
+ case 2:
+ System.out.println("工作日");
+ break;
+ case 3:
+ System.out.println("工作日");
+ break;
+ case 4:
+ System.out.println("工作日");
+ break;
+ case 5:
+ System.out.println("工作日");
+ break;
+ case 6:
+ System.out.println("休息日");
+ break;
+ case 7:
+ System.out.println("休息日");
+ break;
+ default:
+ System.out.println("你输错了！");
+ break;
+ }
+ System.out.println("end !");
+
+ }
+
+
+
+ }
+
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/xunhuanchengjiqiuhe.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/xunhuanchengjiqiuhe.java"
new file mode 100644
index 0000000000000000000000000000000000000000..28c784e210ccfb4a308f190e49e40bfdd6986dd1
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/xunhuanchengjiqiuhe.java"
@@ -0,0 +1,26 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class xunhuanchengjiqiuhe {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int a = 1;
+ int c = 0;
+ while (a <= 5) {
+ System.out.println("请输入你的" + a + "次成绩");
+ int b = scan.nextInt();
+ if (b <= 100 & b >= 0) {
+ c = b + c;
+ a++;
+ } else {
+ System.out.println("您输入错误");
+ }
+ }
+ System.out.println("总和为" + c);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo01.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a9253f372705a862f7e602bb37496dd7c14ff2b1
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo01.java"
@@ -0,0 +1,57 @@
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ Scanner scann=new Scanner(System.in);
+ System.out.println("*********************************\r\n" +
+ "*****微型计算器 ****\r\n " +
+ "*****1、求和 ****\r\n" +
+ "*****2、求差 ****\r\n" +
+ "*****3、求积 ****\r\n" +
+ "*****4、求商 ****\r\n" +
+ "*****5、求余 ****\r\n" +
+ "*****Q、退出 ****\r\n" +
+ "*****请选择您想执行的操作 ****\r\n" +
+ "*********************************\r\n" +
+ "");
+ int a=scann.nextInt();
+ switch (a) {
+ case 1:System.out.println("求和");
+ System.out.println("请输入第一个值");
+ int b=scann.nextInt();
+ System.out.println("请输入第二个值");
+ int c=scann.nextInt();
+ System.out.println("你的和："+(b+c));;break;
+ case 2:System.out.println("求差");
+ System.out.println("请输入第一个值");
+ int d=scann.nextInt();
+ System.out.println("请输入第二个值");
+ int e=scann.nextInt();
+ System.out.println("你的差："+(d-e));break;
+ case 3:System.out.println("求积");
+ System.out.println("请输入第一个值");
+ int f=scann.nextInt();
+ System.out.println("请输入第二个值");
+ int g=scann.nextInt();
+ System.out.println("你的积为："+(f*g));break;
+ case 4:System.out.println("求商");
+ System.out.println("请输入第一个值");
+ int o=scann.nextInt();
+ System.out.println("请输入第二个值");
+ int p=scann.nextInt();
+ System.out.println("你的商为："+(o/p));
+ break;
+ case 5:System.out.println("求余");
+ System.out.println("请输入第一个值");
+ int m=scann.nextInt();
+ System.out.println("请输入第二个值");
+ int n=scann.nextInt();
+ System.out.println("你的计算余数为："+(m%n));
+ break;
+ default:System.out.println("输入错误");break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo02.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1baa65db5617775288539f1dbcdedeb7e8218ce8
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo02.java"
@@ -0,0 +1,13 @@
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ int x=3;
+ while(x <=9){
+ System.out.print("3"+"*"+x+"="+(3*x)+("\t"));
+ x++;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo04.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..566f16fe3a29e38e56e174b95f0486d6633c1fc4
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo04.java"
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ int a=1;
+ int c=0;
+ Scanner scanner=new Scanner(System.in);
+
+ while(a<=5);{
+ System.out.println("请输入您"+a+"的成绩");
+ int b=scanner.nextInt();
+ c=b+c;
+ a++;
+ }
+ if(c>0&&c<=100) {
+ System.out.println("五次总成绩为："+c);
+ }
+ else {
+
+ }System.out.println("该成绩有误，不列入计算");
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo06.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..823233c9acde8471feaa972c2da8fce55b7f25a6
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo06.java"
@@ -0,0 +1,24 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("今天星期几");
+ int a=scanner.nextInt();
+ switch(a) {
+ case 1:System.out.println("工作日");break;
+ case 2:System.out.println("工作日");break;
+ case 3:System.out.println("工作日");break;
+ case 4:System.out.println("工作日");break;
+ case 5:System.out.println("工作日");break;
+ case 6:System.out.println("休息日");break;
+ case 7:System.out.println("休息日");break;
+ default:System.out.println("输入有误");break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo07.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2dce19dd8e3f3e33f2b31ee47bf8b70d2892ed1d
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo07.java"
@@ -0,0 +1,24 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("今天星期几");
+ String a=scanner.next();
+ switch(a) {
+ case "周一":System.out.println("跑步");break;
+ case "周二":System.out.println("游泳");break;
+ case "周三":System.out.println("慢走");break;
+ case "周四":System.out.println("动感电车");break;
+ case "周五":System.out.println("拳击");break;
+ case"周六":System.out.println("爬山");break;
+ case "周日":System.out.println("好好吃一顿");break;
+ default:System.out.println("输入有误");break;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo08.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c9ff12025ede9ca17db45d871094239beba900d6
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo08.java"
@@ -0,0 +1,17 @@
+package lession;
+
+public class Demo08 {
+
+ public static void main(String[] args) {
+ int a=0;
+ int b;
+ int sum=0;
+
+ while(a<=50) {
+ b=2*a;a++;
+ sum+=b;
+ }
+ System.out.println(sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo09.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo09.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bd254447017b1a038add08c0d0972e36724a13a8
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo09.java"
@@ -0,0 +1,15 @@
+package lession;
+
+public class Demo09 {
+
+ public static void main(String[] args) {
+ int a=1998;
+ while(a<=2008) {
+ if(a%4==0) {
+ System.out.println(a+"是闰年");
+ }a++;
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo10.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo10.java"
new file mode 100644
index 0000000000000000000000000000000000000000..be620ca29f3f202198af64a6b09d1add21e7ee27
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo10.java"
@@ -0,0 +1,24 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo10 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入一个数值：n");
+ int a=scanner.nextInt();
+
+ for(int i=2;i0) {
+ System.out.print("*");
+ a--;
+ }
+
+}
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo03.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..727408f1d62b4849cd8a7aeaf08b3589dbc92562
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo03.java"
@@ -0,0 +1,13 @@
+package lession;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ int a = 3;
+ while (a<10) {
+ System.out.println(a + "*" + 3 + "=" + (a*3));
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo04.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fc424d110d464d17e1075c0af13cff142bb96ec8
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo04.java"
@@ -0,0 +1,23 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ int a = 1;
+ int c = 0;
+ while (a<=5) {
+ System.out.println("请输入你第" + a + "次成绩");
+ int b = scanner.nextInt();
+ if(b>=0&&b<=100) {
+ c = b + c;
+ a++;
+ }else {
+ System.out.println("该成绩有误，不列入计算");
+ }
+ }
+ System.out.println("成绩总和" + c);
+}
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo05.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7c7b46d1c59d310d18d2a8d44bd75a5281c986a3
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo05.java"
@@ -0,0 +1,12 @@
+package lession;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ for(int a=1;a<=10;a++){
+ System.out.println(a*5);
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo06.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cbf864f8720f5a8afa27c2d1f32b74b3dd9107e3
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo06.java"
@@ -0,0 +1,42 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入星期几：");
+ int a = scanner.nextInt();
+
+ switch(a) {
+ case 1:
+ System.out.println("工作日");
+ break;
+ case 2:
+ System.out.println("工作日");
+ break;
+ case 3:
+ System.out.println("工作日");
+ break;
+ case 4:
+ System.out.println("工作日");
+ break;
+ case 5:
+ System.out.println("工作日");
+ break;
+ case 6:
+ System.out.println("休息日");
+ break;
+ case 7:
+ System.out.println("休息日");
+ break;
+ default:
+ System.out.println("你输错了！");
+ break;
+ }
+ System.out.println("end !");
+
+}
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo07.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..20b6dac023049db48b1648e888f69680c506530a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo07.java"
@@ -0,0 +1,42 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入星期几：");
+ int a = scanner.nextInt();
+
+ switch(a) {
+ case 1:
+ System.out.println("跑步");
+ break;
+ case 2:
+ System.out.println("游泳 ");
+ break;
+ case 3:
+ System.out.println("慢走");
+ break;
+ case 4:
+ System.out.println("动感单车");
+ break;
+ case 5:
+ System.out.println("拳击");
+ break;
+ case 6:
+ System.out.println("爬山");
+ break;
+ case 7:
+ System.out.println("好好吃一顿");
+ break;
+ default:
+ System.out.println("你输错了！");
+ break;
+ }
+ System.out.println("end !");
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo08.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1575d19bd47cd903da77d4add81878de6faa9e5e
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo08.java"
@@ -0,0 +1,18 @@
+package lession;
+
+public class Demo08 {
+
+ public static void main(String[] args) {
+ int sum=0;
+ for (int i = 0; i <=100; i++) {
+ if (i%2==0) {
+ sum=sum+i;
+ }
+ }
+ System.out.println(sum);
+
+ }
+
+
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo09.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo09.java"
new file mode 100644
index 0000000000000000000000000000000000000000..369ba0e28c0d7ca7a08024e5d73e4404f1fdfaac
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo09.java"
@@ -0,0 +1,15 @@
+package lession;
+
+public class Demo09 {
+
+ public static void main(String[] args) {
+ for (int i = 1998; i <=2008; i++) {
+ if (i%4 ==0 &&i%100!= 0||i%400==0) {
+ System.out.println(i);
+ }
+ }
+
+ }
+
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo10.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo10.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d26dd2926a746f537f0b9d8583246ca104278d6a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Demo10.java"
@@ -0,0 +1,22 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo10 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ int b=0;
+ System.out.println("请输入一个数");
+ int a= scanner.nextInt();
+ for (int i = 0; i <=a; i++) {
+ if(a%a==0&&a%1==0) {
+ System.out.println("素数");
+ return;
+ }else {
+ System.out.println("不是素数");
+ return;
+ }
+ }
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/CHENGFA.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/CHENGFA.java"
new file mode 100644
index 0000000000000000000000000000000000000000..887dfe15d6794e69f084286668f7336dabbfed5c
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/CHENGFA.java"
@@ -0,0 +1,16 @@
+package ASDASD;
+
+public class CHENGFA {
+
+ public static void main(String[] args) {
+
+ // TODO Auto-generated method stub
+ int a=3;
+ while (a<=9) {
+ System.out.println(a*3);
+ a++;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Chengwdsa.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Chengwdsa.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c2427a1c4a6b2e88ef7484f728c76037150d2694
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Chengwdsa.java"
@@ -0,0 +1,34 @@
+package ASDASD;
+
+import java.util.Scanner;
+
+public class Chengwdsa {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int a=0;
+ int c = 1;
+
+ do {
+ System.out.println("请输入成绩");
+ int b = scan.nextInt();
+ if(b<=100&& b>=0){
+ a=b+a;
+ c++;
+ }else {
+ System.out.println("输入错误");
+ }
+
+ }
+ while (c<=5) ;
+
+
+
+ System.out.println("成绩是和" + a );
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/FOR.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/FOR.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a0331056cc9a741f19909c52c95c58221a9bb14a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/FOR.java"
@@ -0,0 +1,15 @@
+package ASDASD;
+
+public class FOR {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ for (int i = 1; i <= 10; i++) {
+
+ System.out.println(i*5);
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Ganshenme.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Ganshenme.java"
new file mode 100644
index 0000000000000000000000000000000000000000..24b05ed6aeb204af6f76dd957f2db2ad7a92061c
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Ganshenme.java"
@@ -0,0 +1,40 @@
+package ASDASD;
+
+import java.util.Scanner;
+
+public class Ganshenme {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("今天星期几");
+ int b = scan.nextInt();
+ switch (b) {
+case 1:
+ System.out.println("跑步");
+ break;
+case 2:
+ System.out.println("游泳");
+ break;
+case 3:
+ System.out.println("慢走");
+ break;
+case 4:
+ System.out.println("动感单车");
+ break;
+case 5:
+ System.out.println("拳击");
+ break;
+case 6:
+ System.out.println("爬山");
+ break;
+case 7:
+ System.out.println("好好吃一顿");
+ break;
+default:
+ System.out.println("输入错误");
+ break;
+}
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/JISUANQI.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/JISUANQI.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8a9e246f282c3cc89045a508888a462e6be473e5
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/JISUANQI.java"
@@ -0,0 +1,71 @@
+package ASDASD;
+
+import java.util.Scanner;
+
+public class JISUANQI {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("*********************************");
+ System.out.println("*****微型计算器 ****");
+ System.out.println("*****1、求和 ****");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 ****");
+ System.out.println("*****5、求余 ****");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ System.out.println("*********************************");
+
+ String a = scan.next();
+ if (a=="Q") {
+
+ System.exit(0);
+ return;
+ }
+
+ System.out.println("请输入第一个数字");
+ int b = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ int c = scan.nextInt();
+
+
+
+
+
+ switch (a) {
+
+
+
+
+
+
+ case "1":
+
+ System.out.println("他们的和" + (b + c));
+ break;
+ case "2":
+
+ System.out.println("他们的差" + (b - c));
+ break;
+ case "3":
+
+ System.out.println("他们的积" + (b * c));
+ break;
+ case "4":
+
+ System.out.println("他们的商" + (b / c));
+ break;
+ case "5":
+
+ System.out.println("他们的余" + (b % c));
+ break;
+
+ default:
+ System.out.println("你输入错误");
+ break;
+
+ }
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Jsdadsa.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Jsdadsa.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fabe5bb46522127a85433c852c25db770a25e872
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Jsdadsa.java"
@@ -0,0 +1,40 @@
+package ASDASD;
+
+import java.util.Scanner;
+
+public class Jsdadsa {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("今天星期几");
+ int b = scan.nextInt();
+ switch (b) {
+case 1:
+ System.out.println("工作日");
+ break;
+case 2:
+ System.out.println("工作日");
+ break;
+case 3:
+ System.out.println("工作日");
+ break;
+case 4:
+ System.out.println("工作日");
+ break;
+case 5:
+ System.out.println("工作日");
+ break;
+case 6:
+ System.out.println("休息日");
+ break;
+case 7:
+ System.out.println("休息日");
+ break;
+default:
+ System.out.println("输入错误");
+ break;
+}
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/OUshu.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/OUshu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ffc4cc5f0e68de3249a69ccd3b7d5c438a919bc8
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/OUshu.java"
@@ -0,0 +1,27 @@
+package ASDASD;
+
+import java.util.Scanner;
+
+public class OUshu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ int c;
+ int a=0;
+
+ Scanner scan = new Scanner(System.in);
+ for (int i = 0; i <= 100; i++) {
+
+ if(i%2==0){
+ System.out.println(i);
+ a=i+a;
+ }
+
+
+
+ }
+ System.out.println(a);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Runanian.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Runanian.java"
new file mode 100644
index 0000000000000000000000000000000000000000..db1779ab08b95278aec38a310c6a7833d33cc86f
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Runanian.java"
@@ -0,0 +1,18 @@
+package ASDASD;
+
+public class Runanian {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+for (int i = 1998; i < 2009; i++) {
+ if(i%4==0 &&100!=0 || i%400==0){
+
+ System.out.println(i);
+ }
+
+
+}
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/SUshu.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/SUshu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6448bbcbcdea2ff537c5ccc71746b528cdb8d759
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/SUshu.java"
@@ -0,0 +1,29 @@
+package ASDASD;
+
+import java.util.Scanner;
+
+public class SUshu {
+
+ public static void main(String[] args) {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入数字");
+ int c= scan.nextInt();
+
+ {for (int i = 2; i < c; i++) {
+ if(c%i==0 ){
+ System.out.println("不是素数");
+
+ return;
+ }
+ else {System.out.println("是素数");
+ return;
+ }
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/XINGXING.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/XINGXING.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6aaa6211b0f3fc90ce2bf800aa26c559848c7b0b
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/XINGXING.java"
@@ -0,0 +1,14 @@
+package ASDASD;
+
+public class XINGXING {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a=1;
+ while (a<=10) {
+ System.out.print("*");
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo01.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a9253f372705a862f7e602bb37496dd7c14ff2b1
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo01.java"
@@ -0,0 +1,57 @@
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ Scanner scann=new Scanner(System.in);
+ System.out.println("*********************************\r\n" +
+ "*****微型计算器 ****\r\n " +
+ "*****1、求和 ****\r\n" +
+ "*****2、求差 ****\r\n" +
+ "*****3、求积 ****\r\n" +
+ "*****4、求商 ****\r\n" +
+ "*****5、求余 ****\r\n" +
+ "*****Q、退出 ****\r\n" +
+ "*****请选择您想执行的操作 ****\r\n" +
+ "*********************************\r\n" +
+ "");
+ int a=scann.nextInt();
+ switch (a) {
+ case 1:System.out.println("求和");
+ System.out.println("请输入第一个值");
+ int b=scann.nextInt();
+ System.out.println("请输入第二个值");
+ int c=scann.nextInt();
+ System.out.println("你的和："+(b+c));;break;
+ case 2:System.out.println("求差");
+ System.out.println("请输入第一个值");
+ int d=scann.nextInt();
+ System.out.println("请输入第二个值");
+ int e=scann.nextInt();
+ System.out.println("你的差："+(d-e));break;
+ case 3:System.out.println("求积");
+ System.out.println("请输入第一个值");
+ int f=scann.nextInt();
+ System.out.println("请输入第二个值");
+ int g=scann.nextInt();
+ System.out.println("你的积为："+(f*g));break;
+ case 4:System.out.println("求商");
+ System.out.println("请输入第一个值");
+ int o=scann.nextInt();
+ System.out.println("请输入第二个值");
+ int p=scann.nextInt();
+ System.out.println("你的商为："+(o/p));
+ break;
+ case 5:System.out.println("求余");
+ System.out.println("请输入第一个值");
+ int m=scann.nextInt();
+ System.out.println("请输入第二个值");
+ int n=scann.nextInt();
+ System.out.println("你的计算余数为："+(m%n));
+ break;
+ default:System.out.println("输入错误");break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo02.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1baa65db5617775288539f1dbcdedeb7e8218ce8
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo02.java"
@@ -0,0 +1,13 @@
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ int x=3;
+ while(x <=9){
+ System.out.print("3"+"*"+x+"="+(3*x)+("\t"));
+ x++;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo04.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..566f16fe3a29e38e56e174b95f0486d6633c1fc4
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo04.java"
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ int a=1;
+ int c=0;
+ Scanner scanner=new Scanner(System.in);
+
+ while(a<=5);{
+ System.out.println("请输入您"+a+"的成绩");
+ int b=scanner.nextInt();
+ c=b+c;
+ a++;
+ }
+ if(c>0&&c<=100) {
+ System.out.println("五次总成绩为："+c);
+ }
+ else {
+
+ }System.out.println("该成绩有误，不列入计算");
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo06.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..823233c9acde8471feaa972c2da8fce55b7f25a6
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo06.java"
@@ -0,0 +1,24 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("今天星期几");
+ int a=scanner.nextInt();
+ switch(a) {
+ case 1:System.out.println("工作日");break;
+ case 2:System.out.println("工作日");break;
+ case 3:System.out.println("工作日");break;
+ case 4:System.out.println("工作日");break;
+ case 5:System.out.println("工作日");break;
+ case 6:System.out.println("休息日");break;
+ case 7:System.out.println("休息日");break;
+ default:System.out.println("输入有误");break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo07.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2dce19dd8e3f3e33f2b31ee47bf8b70d2892ed1d
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo07.java"
@@ -0,0 +1,24 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("今天星期几");
+ String a=scanner.next();
+ switch(a) {
+ case "周一":System.out.println("跑步");break;
+ case "周二":System.out.println("游泳");break;
+ case "周三":System.out.println("慢走");break;
+ case "周四":System.out.println("动感电车");break;
+ case "周五":System.out.println("拳击");break;
+ case"周六":System.out.println("爬山");break;
+ case "周日":System.out.println("好好吃一顿");break;
+ default:System.out.println("输入有误");break;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo08.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c9ff12025ede9ca17db45d871094239beba900d6
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo08.java"
@@ -0,0 +1,17 @@
+package lession;
+
+public class Demo08 {
+
+ public static void main(String[] args) {
+ int a=0;
+ int b;
+ int sum=0;
+
+ while(a<=50) {
+ b=2*a;a++;
+ sum+=b;
+ }
+ System.out.println(sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo09.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo09.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bd254447017b1a038add08c0d0972e36724a13a8
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo09.java"
@@ -0,0 +1,15 @@
+package lession;
+
+public class Demo09 {
+
+ public static void main(String[] args) {
+ int a=1998;
+ while(a<=2008) {
+ if(a%4==0) {
+ System.out.println(a+"是闰年");
+ }a++;
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo10.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo10.java"
new file mode 100644
index 0000000000000000000000000000000000000000..be620ca29f3f202198af64a6b09d1add21e7ee27
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo10.java"
@@ -0,0 +1,24 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo10 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入一个数值：n");
+ int a=scanner.nextInt();
+
+ for(int i=2;i=0 && a<=100);
+ System.out.println("该成绩有误，不列入计算");
+ while(q<5);
+ System.out.println("成绩之和是"+b);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Dowhile.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Dowhile.java"
new file mode 100644
index 0000000000000000000000000000000000000000..879f1ad6959bb6ccaaded417962698d09a2c7d72
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Dowhile.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class Dowhile {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ int q =0;
+ int a =0;
+ int b =0;
+ do {
+ System.out.println("请输入一个数");
+ a = scan.nextInt();
+ b=a+b;
+
+ q++;
+ }while(q<5);
+ System.out.println("和是"+b);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/FOR.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/FOR.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b18ab2200ec8b6f5460fdd3307bc856657f35b89
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/FOR.java"
@@ -0,0 +1,10 @@
+
+public class FOR {
+
+ public static void main(String[] args) {
+ for(int a=5; a<=10;a++) {
+ System.out.println(a+"*"+a+"="+(a*5));
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/KJB.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/KJB.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e2b7832157713129cd0491764e4fe61e8cf67b79
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/KJB.java"
@@ -0,0 +1,13 @@
+import java.util.Scanner;
+
+public class KJB {
+
+ public static void main(String[] args) {
+ int a = 1;
+ while(a<=10) {
+ System.out.print("*");
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/NN.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/NN.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3cd450b4d549de66b4be24696a2e62e37726db48
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/NN.java"
@@ -0,0 +1,15 @@
+
+public class NN {
+
+ public static void main(String[] args) {
+ System.out.println("1998-2008年之间的闰年年份输出");
+ for(int i =1998; i<=2008;i++) {
+ if(i%4==0) {
+ System.out.println(i);
+ }
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/OS.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/OS.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a89420c44065f6f032f39bd3b53b9240edadd091
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/OS.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class OS {
+
+ public static void main(String[] args) {
+ System.out.print("1-100之间的偶数和结果是");
+ int b =0;
+ for (int i = 0; i <=100; i++) {
+ int a;
+ a=i%2;
+ if(a==0) {
+ b=i+b;
+ if(i==100) {
+ System.out.println(b);
+ }
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/SS.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/SS.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c68d1bfdf4b89e6c655c8dd83a2a981644cdf11a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/SS.java"
@@ -0,0 +1,21 @@
+import java.util.Scanner;
+
+public class SS {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入一个数");
+ int a = scan.nextInt();
+ for (int i=2;i= 0) {
+ c = b + c;
+ a++;
+ } else {
+ System.out.println("您输入错误");
+ }
+ }
+ System.out.println("总和为" + c);
+ }
+ }
+
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo1.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ede0095f4a3461664ecf4ca0b1c57eefa7055793
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo1.java"
@@ -0,0 +1,60 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ String a = scanner.next();
+ if (a=="Q") {
+ System.out.println("退出");
+ return;
+ } else {
+
+
+ System.out.println("请输入第一个数字");
+ int b = scanner.nextInt();
+ System.out.println("请输入第二个数字");
+ int c = scanner.nextInt();
+ switch (a) {
+ case "1":
+
+ System.out.println("他们的和" + (b + c));
+ break;
+ case "2":
+
+ System.out.println("他们的差" + (b - c));
+ break;
+ case "3":
+
+ System.out.println("他们的积" + (b * c));
+ break;
+ case "4":
+
+ System.out.println("他们的商" + (b / c));
+ break;
+ case "5":
+
+ System.out.println("他们的余" + (b % c));
+ break;
+ case "Q":
+
+ System.out.println("退出");
+ break;
+
+ default:
+ System.out.println("你输入错误");
+ break;
+ }
+ }
+
+ }
+
+
+}
+
+
+
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo2.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f2494639c82aaedf63b3bd55f464e0a01db60201
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo2.java"
@@ -0,0 +1,15 @@
+package com.md.lession7;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a=1;
+ while (a<=10) {
+ System.out.print("*");
+ a++;
+ }
+
+ }
+
+ }
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo3.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5ace7dfaab1bebca50ce37ae1dbd5adf5d9aca54
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo3.java"
@@ -0,0 +1,15 @@
+package com.md.lession7;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a = 1;
+ while (a<=9) {
+ System.out.println(3+"*"+ a +"="+(3*a));
+ a++;
+ }
+ }
+}
+
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo4.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bb39032e9aa89b5ebe0ddd3b470d5c8b523cec5e
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo4.java"
@@ -0,0 +1,25 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ int a = 1;
+ int c = 0;
+ while (a<=5) {
+ System.out.println("请输入你的成绩：");
+ int b = scanner.nextInt();
+ if (b<=100&b>=0) {
+ c = b + c;
+ a++;
+ } else {
+ System.out.println("输入错误");
+ }
+ }
+ System.out.println("总和为：" + c);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo5.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5f1257be154511a1e479acde5c89102ef3a39c89
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo5.java"
@@ -0,0 +1,12 @@
+package com.md.lession7;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1; i <=10; i++) {
+ System.out.println(i*5);
+ }
+ }
+
+ }
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo6.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..07e9db4061fafdee5f0955f1d4ebbf6b63733b5b
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo6.java"
@@ -0,0 +1,40 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ String a = scanner.next();
+ switch (a) {
+ case "1":
+ System.out.println("游泳");
+ break;
+ case "2":
+ System.out.println("走路");
+ break;
+ case "3":
+ System.out.println("跑步");
+ break;
+ case "4":
+ System.out.println("篮球");
+ break;
+ case "5":
+ System.out.println("足球");
+ break;
+ case "6":
+ System.out.println("休息");
+ break;
+ case "7":
+ System.out.println("吃一顿");
+ break;
+
+ default:
+ System.out.println("重新输入");
+ break;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo7.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d21426fd429f221c723a3e0c7e57044e18d8d2bb
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo7.java"
@@ -0,0 +1,17 @@
+package com.md.lession7;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum = 0;
+ for (int i = 0; i <=100; i++) {
+ if (i%2==0) {
+ sum = sum+ i;
+ }
+
+ }
+ System.out.println(sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo8.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5fbaec74e3bea405cc57389e5a9f63b9cad74303
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo8.java"
@@ -0,0 +1,14 @@
+package com.md.lession7;
+
+public class Demo8 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1998; i <= 2008; i++) {
+ if (i%4==0 &&i%100!=0||i%400==0) {
+ System.out.println(i);
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo9.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo9.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0d4f4f66cadf98553d8510249a9b009ed9fcd06d
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo9.java"
@@ -0,0 +1,20 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo9 {
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ int a =scanner.nextInt();
+ for (int i = 0; i <=a; i++) {
+ if (i/i==0&&i/1==0) {
+ System.out.println("123");
+ }
+ else {
+ System.out.println("456");
+ }
+ }
+
+ }
+
+ }
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo1.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..891112c5cc708a186cb5338cf30c28fcf945557f
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo1.java"
@@ -0,0 +1,18 @@
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner (System.in);
+ int a = 3;
+ while (a <= 9) {
+ System.out.println("a"+"*"+"3"+"="+a*9);
+ a++;
+ }
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo2.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d9490f0f6eba091d60f08e7eb9d937d706f1a52c
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo2.java"
@@ -0,0 +1,40 @@
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner (System.in);
+ System.out.println("请输入星期几：");
+ int num = scanner.nextInt();
+
+ switch (num) {
+ case 1:
+ System.out.println("工作日");
+ break;
+ case 2:
+ System.out.println("工作日");
+ break;
+ case 3:
+ System.out.println("工作日");
+ break;
+ case 4:
+ System.out.println("工作日");
+ break;
+ case 5:
+ System.out.println("工作日");
+ break;
+ case 6:
+ System.out.println("休息日");
+ break;
+ case 7:
+ System.out.println("休息日");
+ break;
+
+ default:
+ break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo3.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f5a7876e2f290f8bd5295c3b7193e39d60971ca5
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo3.java"
@@ -0,0 +1,40 @@
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner (System.in);
+ System.out.println("请输入星期几：");
+ int num = scanner.nextInt();
+
+ switch (num) {
+ case 1:
+ System.out.println("跑步");
+ break;
+ case 2:
+ System.out.println("游泳");
+ break;
+ case 3:
+ System.out.println("慢走");
+ break;
+ case 4:
+ System.out.println("动感单车");
+ break;
+ case 5:
+ System.out.println("拳击");
+ break;
+ case 6:
+ System.out.println("爬山");
+ break;
+ case 7:
+ System.out.println("好好吃一顿");
+ break;
+
+ default:
+ break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo4.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..66384a905bd718546d1a0f48767aa38ad313b4e6
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo4.java"
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum = 0;
+ int i = 0;
+
+ while(i<100){
+ if(i%2==0) {
+ sum += i ;
+ }
+ i++;
+ }
+ System.out.println("1-100之间的偶数和为"+sum);
+
+ }
+
+
+ }
+
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo5.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f8d0e849381f00b4c4268e638343bed1acc57fb9
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo5.java"
@@ -0,0 +1,15 @@
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1998; i <=2008; i++) {
+ if (i%4 ==0 &&i%100!= 0||i%400==0) {
+ System.out.println(i);
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo6.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bd8eec399b16bae4078f49aa43ed01e8f11782a1
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo6.java"
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ int b=0;
+ System.out.println("请输入一个数");
+ int a= scanner.nextInt();
+ for (int i = 0; i <=a; i++) {
+ if(a%a==0&&a%1==0) {
+ System.out.println("素数");
+ return;
+ }else {
+ System.out.println("不是素数");
+ return;
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo7.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7a016dc07b8b0d3b5c231dc267ee0ed45568f18d
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo7.java"
@@ -0,0 +1,64 @@
+import java.util.Scanner;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner (System.in);
+
+ System.out.println("*********************************");
+ System.out.println("*****微型计算器 ****");
+ System.out.println("*****1、求和 ****");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 ****");
+ System.out.println("*****5、求余 ****");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ int a = scanner.nextInt();
+ System.out.println("*********************************");
+
+ switch (a) {
+ case 1:
+ System.out.println("请用户输入数字1：");
+ int num = scanner.nextInt();
+ System.out.println("请用户输入数字2：");
+ int num2 = scanner.nextInt();
+ System.out.println("结果为"+(num+num2));
+ case 2:
+ System.out.println("请用户输入数字1：");
+ int num3 = scanner.nextInt();
+ System.out.println("请用户输入数字2：");
+ int num4 = scanner.nextInt();
+ System.out.println("结果为"+(num3-num4));
+ case 3:
+ System.out.println("请用户输入数字1：");
+ int num5 = scanner.nextInt();
+ System.out.println("请用户输入数字2：");
+ int num6 = scanner.nextInt();
+ System.out.println("结果为"+(num6*num5));
+ case 4:
+ System.out.println("请用户输入数字1：");
+ int num7= scanner.nextInt();
+ System.out.println("请用户输入数字2：");
+ int num8 = scanner.nextInt();
+ System.out.println("结果为"+(num7/num8));
+ case 5:
+ System.out.println("请用户输入数字1：");
+ int num9 = scanner.nextInt();
+ System.out.println("请用户输入数字2：");
+ int num10 = scanner.nextInt();
+ System.out.println("结果为"+(num9%num10));
+ break;
+ case 'Q':
+ System.out.println("退出");
+ break;
+
+ default:
+ break;
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo8.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..417e7e4696294abe1144b1a6dd390ccd7e509d12
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo8.java"
@@ -0,0 +1,24 @@
+import java.util.Scanner;
+
+public class Demo8 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ int a = 1;
+ int c = 0;
+ while (a<=5) {
+ System.out.println("请输入你第" + a + "次成绩");
+ int b = scanner.nextInt();
+ if(b>=0&&b<=100) {
+ c = b + c;
+ a++;
+ }else {
+ System.out.println("该成绩有误，不列入计算");
+ }
+ }
+ System.out.println("成绩总和" + c);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/CFB.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/CFB.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b39e1a96fd22cae7a8701b0787290eef7f7bac50
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/CFB.java"
@@ -0,0 +1,16 @@
+import java.util.Scanner;
+
+public class CFB {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 打印九九乘法表的一行：3*3=?、3*4=?、3*5=?、3*6=?、3*7=?、3*8=?、3*9=?
+ Scanner scan=new Scanner(System.in);
+ int a=3;
+ while(a<=9) {
+ System.out.println("3"+"*"+a+"="+(3*a));
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/GZR.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/GZR.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d8eee1f32414dd2c74695425877f0d11a9b37067
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/GZR.java"
@@ -0,0 +1,27 @@
+import java.util.Scanner;
+
+public class GZR {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 用switch实现需求 : 键盘录入星期数，输出工作日、休息日 (1-5)工作日，(6-7)休息日
+// 提示 : 如果switch语句中,case省略了break语句, 就会开始case穿透
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入今天星期几");
+ String a = scan.next();
+ switch (a) {
+ case "1":
+ case "2":
+ case "3":
+ case "4":
+ case "5":
+ System.out.println("今天是工作日");
+ }
+ switch (a) {
+ case "6":
+ case "7":
+ System.out.println("今天是休息日");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/JF.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/JF.java"
new file mode 100644
index 0000000000000000000000000000000000000000..af85e1525a9b434aae1019a398448da483a57220
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/JF.java"
@@ -0,0 +1,48 @@
+import java.util.Scanner;
+
+public class JF {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 需求：键盘录入星期数，显示今天的减肥活动：
+// 周一：跑步
+// 周二：游泳
+// 周三：慢走
+// 周四：动感单车
+// 周五：拳击
+// 周六：爬山
+// 周日：好好吃一顿
+// 先询问用户今天是星期几（输入数字即可），接受用户的答案后，判断输出今天的减肥活动
+//
+// 使用switch实现
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入今天星期几");
+ String a = scan.next();
+ switch (a) {
+ case "1":
+ System.out.println("跑步");
+ break;
+ case "2":
+ System.out.println("游泳");
+ break;
+ case "3":
+ System.out.println("慢走");
+ break;
+
+ case "4":
+ System.out.println("动感单车");
+ break;
+ case "5":
+ System.out.println("拳击");
+ break;
+ case "6":
+ System.out.println("爬山");
+ break;
+ case "7":
+ System.out.println("好好吃一顿 ");
+ break;
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/JSQ.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/JSQ.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1d72877e248e961977e294106ea9740afdbeec97
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/JSQ.java"
@@ -0,0 +1,83 @@
+import java.util.Scanner;
+
+public class JSQ {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// *********************************
+// *****微型计算器 ****
+// *****1、求和 ****
+// *****2、求差 ****
+// *****3、求积 ****
+// *****4、求商 ****
+// *****5、求余 ****
+// *****Q、退出 ****
+// *****请选择您想执行的操作 ****
+// *********************************
+// 用户选择某一项后，再请用户输入两个数字，并将其结果显示出来。
+ Scanner scan = new Scanner(System.in);
+ System.out.println("*********************************\r\n" +
+ "*****微型计算器 ****\r\n" +
+ "*****1、求和 ****\r\n" +
+ "*****2、求差 ****\r\n" +
+ "*****3、求积 ****\r\n" +
+ "*****4、求商 ****\r\n" +
+ "*****5、求余 ****\r\n" +
+ "*****Q、退出 ****\r\n" +
+ "*****请选择您想执行的操作 ****\r\n" +
+ "*********************************");
+ System.out.println("请输入你要的操作");
+ String a = scan.next();
+ double c;
+ switch (a) {
+ case "1":
+ System.out.println("请输入第一个值");
+ double num1=scan.nextDouble();
+ System.out.println("请输入第二个值");
+ double num2=scan.nextDouble();
+ c=num1+num2;
+ System.out.println("和为"+c);
+ break;
+ case "2":
+ System.out.println("请输入第一个值");
+ double num3=scan.nextDouble();
+ System.out.println("请输入第二个值");
+ double num4=scan.nextDouble();
+ c=num3-num4;
+ System.out.println("差为"+c);
+ break;
+ case "3":
+ System.out.println("请输入第一个值");
+ double num5=scan.nextDouble();
+ System.out.println("请输入第二个值");
+ double num6=scan.nextDouble();
+ c=num5*num6;
+ System.out.println("奇为"+c);
+ break;
+ case "4":
+ System.out.println("请输入第一个值");
+ double num7=scan.nextDouble();
+ System.out.println("请输入第二个值");
+ double num8=scan.nextDouble();
+ c=num7/num8;
+ System.out.println("商为"+c);
+ break;
+ case "5":
+ System.out.println("请输入第一个值");
+ double num9=scan.nextDouble();
+ System.out.println("请输入第二个值");
+ double num10=scan.nextDouble();
+ c=num9%num10;
+ System.out.println("余为"+c);
+ break;
+ case "Q":
+ System.out.println("退出！");
+ break;
+ default:
+ System.out.println("输入错误！");
+ break;
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/OS.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/OS.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0d0a25dbf0ad62ab8bb2460273126bc93884203b
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/OS.java"
@@ -0,0 +1,19 @@
+
+public class OS {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 求1-100之间的偶数和，并把求和结果在控制台输出
+ int a=1;
+ int num=0;
+ while(a<=100) {
+ if(a%2==0) {
+ num=a+num;
+ }
+ a++;
+ }
+
+ System.out.println("和为"+num);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/QH.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/QH.java"
new file mode 100644
index 0000000000000000000000000000000000000000..898f764cc9933e38c52594de249f14498dd4cd2c
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/QH.java"
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class QH {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 用循环的方法接受用户输入的五个成绩，若用户输入的成绩不在0~100之间，
+// 则打印“该成绩有误，不列入计算”。在循环结束后求出所有输入正确的成绩的总和。
+
+ Scanner scan=new Scanner(System.in);
+ double a=1;
+ double sum=0;
+ while(a<=5) {
+ System.out.println("请输入一个成绩");
+ double c=scan.nextDouble();
+ if(c>=0&&c<=100) {
+ sum=c+sum;
+ }else {
+ System.out.println("该成绩有误，不列入计算");
+ }a++;
+ }
+ System.out.println(sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/RN.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/RN.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3e3f4181898025f97ce4a28d3600f3efccc9e417
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/RN.java"
@@ -0,0 +1,16 @@
+
+public class RN {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 示例:4：将1998-2008年之间的闰年年份输出。
+ int a=1998;
+ while(a<=2008) {
+ if((a%4==0)&(a%1000==0)) {
+ System.out.println(a);
+ }
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/SS.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/SS.java"
new file mode 100644
index 0000000000000000000000000000000000000000..67275cf8491810336d55d9362ef6c568a24964d9
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/SS.java"
@@ -0,0 +1,30 @@
+import java.util.Scanner;
+
+public class SS {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 示例3：用户输入一个数字n，判断是否为素数(只能被1和自身整除的数)
+// 使用for循环实现
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入一个数字");
+ int a=scan.nextInt();
+ if(a>2){
+ boolean isSushu=true;
+ for (int b = 2; b < a; b++) {
+ if(a%b==0){
+ isSushu=false;
+ break;
+ }
+ }
+ if(isSushu=true) {
+ System.out.println("该数不是素数");
+ }else {
+ System.out.println("该数是素数");
+
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Chenfa.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Chenfa.java"
new file mode 100644
index 0000000000000000000000000000000000000000..639771469f2da7e554ee63373175be227d4dc6ce
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Chenfa.java"
@@ -0,0 +1,15 @@
+package lesson7;
+
+public class Chenfa {
+
+ public static void main(String[] args) {
+ int a=3;//a是变化值
+
+ while (a<=9) {
+ System.out.println(3*a);
+ a = a+1;//a++ 给a赋值 符合条件再循环计算 不符合直接输出
+ }
+ System.out.println("结束！");
+ }
+
+ }
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Gongzuo.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Gongzuo.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6b05224259be7ec6e200a086d333cc69839b2ab6
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Gongzuo.java"
@@ -0,0 +1,42 @@
+package lesson7;
+
+import java.util.Scanner;
+
+public class Gongzuo {
+
+ public static void main(String[] args) {
+ Scanner xq = new Scanner(System.in);
+ System.out.println("请输入星期数：");
+ int a = xq.nextInt();
+ switch (a) {
+ case 1:
+ System.out.println("工作日");
+ break;
+ case 2:
+ System.out.println("工作日");
+ break;
+ case 3:
+ System.out.println("工作日");
+ break;
+
+ case 4:
+ System.out.println("工作日");
+ break;
+ case 5:
+ System.out.println("工作日");
+ break;
+ case 6:
+ System.out.println("休息日");
+ break;
+ case 7:
+ System.out.println("休息日");
+ break;
+
+ default:
+ System.out.println("输入错误，重新输入！");
+ break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Jianfei.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Jianfei.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a6839c5abe8770fdb885aadf96f17030100658aa
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Jianfei.java"
@@ -0,0 +1,40 @@
+package lesson7;
+
+import java.util.Scanner;
+
+public class Jianfei {
+
+ public static void main(String[] args) {
+ Scanner xq = new Scanner(System.in);
+ System.out.println("今天星期几呀：");
+ int a=xq.nextInt();
+ switch (a) {
+ case 1:
+ System.out.println("跑步");
+ break;
+ case 2:
+ System.out.println("游泳");
+ break;
+ case 3:
+ System.out.println("慢走");
+ break;
+ case 4:
+ System.out.println("动感单车");
+ break;
+ case 5:
+ System.out.println("拳击");
+ break;
+ case 6:
+ System.out.println("爬山");
+ break;
+ case 7:
+ System.out.println("好好吃一顿 ");
+ break;
+
+ default:System.out.println("输入错误，请重新输入！ ");
+ break;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Os.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Os.java"
new file mode 100644
index 0000000000000000000000000000000000000000..35811c8972699b568dcde911fcf517a499f34240
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Os.java"
@@ -0,0 +1,16 @@
+package lesson7;
+
+public class Os {
+
+ public static void main(String[] args) {
+ int sum = 0;
+ for (int i = 0; i <= 100; i++) {
+ if (i % 2 == 0) {
+ sum = sum + i;
+ }
+
+ }
+ System.out.println("1~100之间的偶数之和为：" + sum);
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Rn.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Rn.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d8f22443c23bc3d13e48ae6b98e15179bd2ca27a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Rn.java"
@@ -0,0 +1,16 @@
+package lesson7;
+
+public class Rn {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1998; i <=2008; i++) {
+ if(i%4==0&&i%100!=0||i%400==0) {
+ System.out.println("属于1998-2008年之间的闰年年份:");
+ System.out.println(i);
+ }
+ }
+ }
+
+}
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Ss.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Ss.java"
new file mode 100644
index 0000000000000000000000000000000000000000..64b770c9cb9bd7fe0ff0b429b49edfc99b0e3a15
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Ss.java"
@@ -0,0 +1,23 @@
+package lesson7;
+
+import java.util.Scanner;
+
+public class Ss {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入数字：");
+ int a = scan.nextInt();
+ for (int i = 2; i < a; i++) {
+ if(a%i==0) {
+ System.out.println("不是素数");
+ return;
+ }else {
+ System.out.println("是素数");
+ return;
+ }
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Weishu.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Weishu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f4c13c9c3e891fea11838854eb8d86a2c19ac55b
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Weishu.java"
@@ -0,0 +1,50 @@
+package lesson7;
+
+import java.util.Scanner;
+
+public class Weishu {
+
+ public static void main(String[] args) {
+ Scanner weiji=new Scanner(System.in);
+ System.out.println("*********************************");
+ System.out.println("*****微型计算器 ****");
+ System.out.println("*****1..求和 ****");
+ System.out.println("*****2..求差 ****");
+ System.out.println("*****3..求积 ****");
+ System.out.println("*****4..求商 ****");
+ System.out.println("*****5..求余 ****");
+ System.out.println("*****Q..退出 ****");
+ String choose = weiji.next();
+ if(choose.equals("Q")) {
+ System.out.println("退出成功！");
+ return;}
+ System.out.println("请输入第一个数值");
+ int q1=weiji.nextInt();
+ System.out.println("请输入第二个数值");
+ int q2=weiji.nextInt();
+ switch (choose) {
+ case "1":
+ System.out.println(q1+"+"+q2+"="+(q1+q2));
+ break;
+ case "2":
+ System.out.println(q1+"-"+q2+"="+(q1-q2));
+ break;
+ case "3":
+ System.out.println(q1+"x"+q2+"="+(q1*q2));
+ break;
+ case "4":
+ System.out.println(q1+"/"+q2+"="+(q1/q2));
+ break;
+ case "5":
+ System.out.println(q1+"%"+q2+"="+(q1%q2));
+ break;
+
+ default:
+ System.out.println("输入错误，请重新输入！");
+ break;
+ }
+ System.out.println("结束！");
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Xunhuan.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Xunhuan.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8e7c059c8733ad4c48351cd14702a58be6410b11
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Xunhuan.java"
@@ -0,0 +1,23 @@
+package lesson7;
+
+import java.util.Scanner;
+
+public class Xunhuan {
+
+ public static void main(String[] args) {
+ Scanner xh=new Scanner(System.in);
+ int a=1;
+ int b=0;
+ while (a<=5) {
+ System.out.println("请输入成绩：");
+ int c=xh.nextInt();
+ b=a+c;
+ b+=c;
+ a++;
+ }
+ System.out.println(b);
+ }
+}
+
+
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Chenfabiao.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Chenfabiao.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9a7a4946f3091e79e402cfdb3fe0afe38e2124e3
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Chenfabiao.java"
@@ -0,0 +1,17 @@
+package zuoye;
+
+public class Chenfabiao {
+
+ public static void main(String[] args) {
+ int i=3;
+ while ( i<10) {
+ System.out.println("3*"+i+"="+3*i);
+ i++;
+
+
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Gonzuori.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Gonzuori.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ae941b14233f1ed312f0b6048f51d856d160cb61
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Gonzuori.java"
@@ -0,0 +1,35 @@
+package c;
+
+import java.util.Scanner;
+
+public class Gonzuori {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入星期数：");
+ int i=scanner.nextInt();
+ switch (i) {
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ case 5:
+ System.out.println("工作日");
+ break;
+
+ case 6:
+ case 7:
+ System.out.println("休息日");
+ break;
+
+ default:
+
+ break;
+ }
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Jianfei.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Jianfei.java"
new file mode 100644
index 0000000000000000000000000000000000000000..039832d1f81207405eecd3effdae00a251a01bb5
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Jianfei.java"
@@ -0,0 +1,47 @@
+package c;
+
+import java.util.Scanner;
+
+public class jianfei {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入星期数：");
+ int i=scanner.nextInt();
+ switch (i) {
+ case 1:
+ System.out.println("跑步");
+
+ break;
+ case 2:
+ System.out.println("游泳");
+
+ break;
+ case 3:
+ System.out.println("慢走");
+
+ break;
+ case 4:
+ System.out.println("动感单车");
+
+ break;
+ case 5:
+ System.out.println("拳击");
+
+ break;
+ case 6:
+ System.out.println("爬山");
+
+ break;
+ case 7:
+ System.out.println("好好吃一顿");
+
+
+
+ default:
+ break;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Jisuanqi.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Jisuanqi.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d3eed3a093233295808ecf6975aedb3f8498a159
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Jisuanqi.java"
@@ -0,0 +1,76 @@
+package Zuoye;
+
+import java.util.Scanner;
+
+import javax.print.DocFlavor.READER;
+
+public class Jisuanqi {
+ public static void main(String[] args) {
+ System.out.println("********************");
+ System.out.println("*****微型计算机************");
+ System.out.println("*****1、求和 *********");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 ****");
+ System.out.println("*****5、求余 ****");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ System.out.println("*********************************");
+
+
+
+
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入你想要用的运算法则的序列：");
+ String c=scanner.next();
+ if (c.equals("Q")) {
+
+ System.out.println("结束");
+ return;
+ }else {
+
+
+ int d;
+
+ System.out.println("请输入第一位数字：");
+ int a=scanner.nextInt();
+
+ System.out.println("请输入第二位数字：");
+ int b=scanner.nextInt();
+
+
+
+
+ switch (c) {
+ case ("1"):
+ d=a+b;
+ System.out.println("两位数的和是"+d);
+ break;
+ case ("2"):
+ d=a-b;
+ System.out.println("两位数的差是"+d);
+ break;
+ case ("3"):
+ d=a*b;
+ System.out.println("两位数的积是"+d);
+ break;
+ case ("4"):
+ d=a/b;
+ System.out.println("两位数的商是"+d);
+ break;
+ case ("5"):
+ d=a%b;
+ System.out.println("两位数的余是"+d);
+ break;
+
+
+ default:
+ System.out.println("输入错误，请重新输入!!!");
+ break;
+
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Oushuqiuhe.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Oushuqiuhe.java"
new file mode 100644
index 0000000000000000000000000000000000000000..df88d576bc18af8607f8b6d54f4607f7780ba48a
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Oushuqiuhe.java"
@@ -0,0 +1,26 @@
+package c;
+
+import java.util.Scanner;
+
+public class Oushuqiuhe {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ int sum=0;
+ for (int i=1; i <= 100; i++) {
+ if (i%2==0) {
+ sum=sum+i;
+ }
+
+ }
+System.out.println("1-100间偶数的和为"+sum);
+
+ }
+
+
+
+
+ }
+
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Runnian.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Runnian.java"
new file mode 100644
index 0000000000000000000000000000000000000000..360c552fb9139e0251b8b63badcc74acfde8f4f1
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Runnian.java"
@@ -0,0 +1,24 @@
+package c;
+
+public class Runnian {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 1、能被4整除，但不能被100整除；2、能被400整除；
+
+
+
+ int i=1989;
+ while ( i<=2008) {
+ i++;
+ if (i%4==0 && i/100!=0 &&i%400==0) {
+ System.out.println(i+"年是闰年");}
+
+ }
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Sushu.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Sushu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d632d3d717256fa4f65d38bc66693babee0c741c
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Sushu.java"
@@ -0,0 +1,34 @@
+package c;
+
+import java.util.Scanner;
+
+public class Sushu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入一个数(请输入的数不要小于3)");
+ int n=scanner.nextInt();
+ if (n<3) {
+ System.out.println("请重新输入");
+}else {
+ int a=0;
+ int b=0;
+ for (int i=2; i< n; i++) {
+
+ if(n%i != 0 ) {
+ System.out.println("是素数");
+ return;
+ }
+ else {
+ System.out.println("不是素数");
+return;
+ }
+
+
+
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye.java"
new file mode 100644
index 0000000000000000000000000000000000000000..03dcf78ff988fef33176f5b4177f8f41bbbfad5c
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye.java"
@@ -0,0 +1,31 @@
+package zuoye;
+
+import java.util.Scanner;
+
+public class Zuoye {
+ public static void main(String[] args) {
+ int a=1;
+ int sum=0;
+
+ while (a<=5) {
+
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入第"+a+"位的分数");
+
+ int b=scanner.nextInt();
+ a++;
+ if (b>=0 && b<=100) {
+ sum=sum+b;
+ }else {
+ System.out.println("该成绩有误，不列入计算");
+ return;
+ }
+
+ }
+ System.out.println("这五位的分数总和是"+sum);
+ }
+
+
+
+ }
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo1+12.30.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo1+12.30.java"
new file mode 100644
index 0000000000000000000000000000000000000000..847a095c624d7992d6fd62aa427e40ceefe70320
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo1+12.30.java"
@@ -0,0 +1,42 @@
+package lsessson6;
+
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入第一个数字：");
+ double a = scanner.nextDouble();
+ System.out.println("请输入算法：");
+ String X = scanner.next();
+ System.out.println("请输入第二个数字：");
+ double b = scanner.nextDouble();
+
+
+ switch(X) {
+ case "+" :
+ System.out.println("计算结果为"+(a+b));
+ break;
+
+ case "-" :
+ System.out.println("计算结果为"+(a-b));
+ break;
+
+ case "*" :
+ System.out.println("计算结果为"+(a*b));
+ break;
+
+ case "/" :
+ System.out.println("计算结果为"+(a/b));
+ break;
+
+ case "%" :
+ System.out.println("计算结果为"+(a%b));
+ break;
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo10+12.30.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo10+12.30.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b77eceb23521b4d71027daf564fd9fdf02c80eb2
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo10+12.30.java"
@@ -0,0 +1,25 @@
+package ssssss;
+
+import java.util.Scanner;
+
+public class Demo11 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入一个数字：");
+ int a=scanner.nextInt();
+ boolean Y=true;
+
+ for(int x=2;x100||a<0) {
+ System.out.println("您输入的成绩有误，不列入计算");
+ b=b-a;
+ }
+ }while(x<6);
+
+ System.out.println("您的五次成绩总和为"+b);
+ System.out.println("end!");
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo5+12.30.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo5+12.30.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b987b32c1ed7c6221157fa0c113d9c54169deff4
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo5+12.30.java"
@@ -0,0 +1,13 @@
+package lsessson6;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+
+ for(int a=1;a<=10;a++) {
+ System.out.println(a+"*"+"5"+"="+(a*5));
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo6+12.30.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo6+12.30.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e83119e3cf0657139e6cd7c2d6e869df047798d3
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo6+12.30.java"
@@ -0,0 +1,45 @@
+package lsessson6;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入今天星期几");
+ int x=scanner.nextInt();
+
+ switch(x){
+ case 1:
+ System.out.println("今天周1，活动为跑步 ");
+ //break;
+
+ case 2:
+ System.out.println("今天周2，活动为游泳 ");
+ break;
+
+ case 3:
+ System.out.println("今天周3，活动为慢走 ");
+ break;
+
+ case 4:
+ System.out.println("今天周4，活动为动感单车 ");
+ break;
+
+ case 5:
+ System.out.println("今天周5，活动为拳击 ");
+ break;
+
+ case 6:
+ System.out.println("今天周6，活动为爬山 ");
+ break;
+
+ case 7:
+ System.out.println("今天周末，好好吃一顿 ");
+ break;
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo7+12.30.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo7+12.30.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d5604e3392b64fd2c4fdf36541d3fbcc80db14eb
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo7+12.30.java"
@@ -0,0 +1,28 @@
+package lsessson6;
+
+import java.util.Scanner;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入今天星期几");
+ int x=scanner.nextInt();
+
+ switch(x) {
+ case 1 :System.out.println("1工作日");
+ case 2 :System.out.println("2工作日");
+ case 3 :System.out.println("3工作日");
+ case 4 :System.out.println("4工作日");
+ case 5 :System.out.println("5工作日");
+ break;
+
+ case 6 :System.out.println("6休息日");
+ case 7 :System.out.println("7休息日");
+ break;
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo8+12.30.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo8+12.30.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0c50fadfc49d11111cac8e3fb0a17d933c0dd093
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo8+12.30.java"
@@ -0,0 +1,15 @@
+package lsessson6;
+
+public class Demo8 {
+
+ public static void main(String[] args) {
+ int a =0;
+ for(int x=1;x<=100;x++) {
+ if(x>0) {
+ a=a+x;
+ }
+ }
+ System.out.println(a);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo9+12.30.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo9+12.30.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2a2bd64f4d0fd8a6b12133612d11ee89cb6097c2
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo9+12.30.java"
@@ -0,0 +1,14 @@
+package lsessson6;
+
+public class Demo9 {
+
+ public static void main(String[] args) {
+ for(int x=1998;x<=2008;x++) {
+ if((x%4==0&&x%100!=0)||x%400==0) {
+ System.out.println(x+"年是闰年");
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/DJ8.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/DJ8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8fdf0c8f9a89fb5fb4b228b751e554524ff31c37
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/DJ8.java"
@@ -0,0 +1,42 @@
+import java.util.Scanner;
+
+public class DJ8 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ String a = scan.next();
+ switch (a) {
+
+ case "1":
+ System.out.println("跑步");
+ break;
+ case "2":
+ System.out.println("慢走");
+ break;
+ case "3":
+ System.out.println("动感单车");
+ break;
+ case "4":
+ System.out.println("拳击");
+ break;
+ case "5":
+ System.out.println("攀爬");
+ break;
+ case "6":
+ System.out.println("吃饭");
+ break;
+ case "7":
+ System.out.println("休息日");
+ break;
+ default:
+ System.out.println("输入有误");
+ break;
+
+
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e52f52c42e0b8e08bf98d4fff2bfc3cb306ff86b
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj.java"
@@ -0,0 +1,38 @@
+import java.util.Scanner;
+
+public class Dj {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int al = 10,a2=4,result;
+ String line;
+ char sign;
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入运算符号:");
+ line = scanner.nextLine();
+ sign = line.charAt(0);
+ switch(sign) {
+ case'+':
+ result=1+2;
+ break;
+ case'-':
+ result=1-2;
+ break;
+ case'*':
+ result=1*2;
+ break;
+ case'/':
+ result=1/2;
+ break;
+ case'%':
+ result=1%2;
+ break;
+ default:
+ System.out.println("运算符号错误！");
+ result=-1;
+
+ }
+ System.out.println("1+"+sign+"2="+result);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj10.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj10.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0cdd72f3171276e0c8294f267264a8c504594c87
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj10.java"
@@ -0,0 +1,18 @@
+import java.util.Scanner;
+
+public class Dj10 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int a=0;
+ for (int i = 0; i <=100; i++) {
+ if (i%2==0) {
+ a=a+i;
+ }
+ }
+ System.out.println(a);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj3.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..980140e405a0bd7363a3800060bf695229d98b50
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj3.java"
@@ -0,0 +1,53 @@
+import java.util.Scanner;
+
+public class Dj3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("*********************************");
+ System.out.println("*****微型计算器 ****");
+ System.out.println("*****1、求和 ****");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 ****");
+ System.out.println("*****5、求余 ****");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ System.out.println("*********************************");
+
+ String a = scan.next();
+
+ if (a.equals("Q")) {
+ System.out.println("退出");
+ return;
+
+ } else {
+ System.out.println("请输入第一个数字");
+ int b = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ int c = scan.nextInt();
+ switch (a) {
+ case "1":
+ System.out.println("他们的和" + (b + c));
+ break;
+ case "2":
+ System.out.println("他们的差" + (b - c));
+ break;
+ case "3":
+ System.out.println("他们的积" + (b * c));
+ break;
+ case "4":
+ System.out.println("他们的商" + (b / c));
+ break;
+ case "5":
+ System.out.println("他们的余" + (b % c));
+ break;
+ default:
+ System.out.println("你输入错误");
+ break;
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj4.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f7ef681b006b1931a796e1845e655ac2f1ff7c61
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj4.java"
@@ -0,0 +1,15 @@
+
+public class Dj4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a = 0;
+
+ while (a <= 10) {
+ System.out.print("*");
+ a++;
+
+ }
+
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj5.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8b19ad339f4be24cd4e224ee8702051d1c5cea52
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj5.java"
@@ -0,0 +1,15 @@
+import java.util.Scanner;
+
+public class Dj5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a=1;
+ while (a<=9) {
+ System.out.println(a+"*"+3+"="+(3*a));
+ a++;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj6.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..175aeca97de5f6f241b7d5389393382c13e0938d
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj6.java"
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class Dj6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int a = 1;
+ int c = 0;
+ while (a <= 5) {
+ System.out.println("请输入你的" + a + "次成绩");
+ a++;
+ int b = scan.nextInt();
+ if (b <= 100 & b >= 0) {
+ c = b + c;
+ } else {
+ System.out.println("您输入错误");
+ }
+ }
+ System.out.println("总和为" + c);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj7.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bafc52eebb02906a6070814a9d6f9d35719b3470
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj7.java"
@@ -0,0 +1,40 @@
+import java.util.Scanner;
+
+public class Dj7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ String a = scan.next();
+ switch (a) {
+ case "1":
+ System.out.println("工作日");
+ break;
+ case "2":
+ System.out.println("工作日");
+ break;
+ case "3":
+ System.out.println("工作日");
+ break;
+ case "4":
+ System.out.println("工作日");
+ break;
+ case "5":
+ System.out.println("工作日");
+ break;
+ case "6":
+ System.out.println("休息日");
+ break;
+ case "7":
+ System.out.println("休息日");
+ break;
+
+ default:
+ System.out.println("你输入的错误");
+ break;
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj9.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj9.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cef50dcde4f20283e9eb3fdee9bef1f48e014a2e
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj9.java"
@@ -0,0 +1,14 @@
+
+public class Dj9 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1998; i <= 2008; i++) {
+ if (i % 4 == 0 && i % 100 != 0 || i % 400 == 0) {
+ System.out.println(i);
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo.java"
new file mode 100644
index 0000000000000000000000000000000000000000..793aab2475dbccaf92e228524919943781b54b46
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo.java"
@@ -0,0 +1,16 @@
+package lesson;
+
+public class Demo {
+
+ public static void main(String[] args) {
+ // TODO 乘法表
+ int a=3;
+ int b=2;
+ while (b<9) {
+ b++;
+ System.out.print("3*"+b+"="+a*b+",");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo2.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..01cd913903956cc5f5adbc5755561cdcce9e1b74
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo2.java"
@@ -0,0 +1,42 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ Scanner scan= new Scanner(System.in);
+ System.out.println("请输入今天是星期几");
+ int i =scan.nextInt();
+
+
+ switch (i) {
+ case 1:
+ System.out.println("今天是工作日");
+ break;
+
+ case 2:
+ System.out.println("今天是工作日");
+ break;
+ case 3:
+ System.out.println("今天是工作日");
+ break;
+
+ case 4:
+ System.out.println("今天是工作日");
+ break;
+ case 5:
+ System.out.println("今天是工作日");
+ break;
+ case 6:
+ System.out.println("今天是休息日");
+ break;
+ case 7:
+ System.out.println("今天是休息日");
+ break;
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo3.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ad6a4544bc1e18388df9a8d7dbabed4d00dea6e1
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo3.java"
@@ -0,0 +1,41 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ Scanner scan= new Scanner(System.in);
+ System.out.println("请输入今天是星期几");
+ int i =scan.nextInt();
+
+
+ switch (i) {
+ case 1:
+ System.out.println("今天是跑步");
+ break;
+
+ case 2:
+ System.out.println("今天是游泳");
+ break;
+ case 3:
+ System.out.println("今天是慢走");
+ break;
+
+ case 4:
+ System.out.println("今天是动感单车");
+ break;
+ case 5:
+ System.out.println("今天是拳击");
+ break;
+ case 6:
+ System.out.println("今天是休息日");
+ break;
+ case 7:
+ System.out.println("今天是好好吃一顿");
+ break;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo4.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f701bb9a000e96d4b82b46ed2116128933e6112d
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo4.java"
@@ -0,0 +1,22 @@
+package lesson;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ // TODO 偶数和
+ int sum=0;
+ int even=0;
+
+ while (even<101) {
+ if(even%2==0) {
+ sum+=even;
+ }
+ even++;
+ if(even%2==0) {
+ sum+=even;
+ }
+ }System.out.println(sum);
+
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo5.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e07606771ba7a8dff87471d353ef30741d23bbea
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo5.java"
@@ -0,0 +1,17 @@
+package lesson;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ int i =1997;
+ while (i<2009) {
+ i++;
+ if(i%4==0|i%400==0) {
+ System.out.print(i+"是闰年,");
+ }
+ }
+ }
+ }
+
+
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo6.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d8813e9601aa257762b26036ee7b9bd5311f7fa5
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo6.java"
@@ -0,0 +1,26 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ Scanner scan =new Scanner(System.in);
+
+
+ System.out.println("请输入一个数字(大于3)");//不大于3无意义
+ int n=scan.nextInt();
+ for (int i=2 ; i < n; i++) {
+
+ if (n%i==0) {
+ System.out.println(n+"不是素数");
+ return;
+ } else {
+ System.out.println("该数是素数");
+ return;
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo7.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c2cef29f8c5fe3973ed94531360689d67666795c
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo7.java"
@@ -0,0 +1,70 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ System.out.println("*********************************");
+ System.out.println("*****微型计算器 ****");
+ System.out.println("*****1、求和 ****");
+ System.out.println("*****2、求差 ****");
+ System.out.println("*****3、求积 ****");
+ System.out.println("*****4、求商 ****");
+ System.out.println("*****5、求余 ****");
+ System.out.println("*****Q、退出 ****");
+ System.out.println("*****请选择您想执行的操作 ****");
+ System.out.println("*********************************");
+ int num1;
+ int num2;
+ Scanner scan =new Scanner(System.in);
+ String i =scan.next();
+
+ if(i.equals("Q")) {
+ System.out.println("End");}
+ else{switch (i) {
+ case "1":
+ System.out.println("请输入一个数字");
+ num1 =scan.nextInt();
+ System.out.println("请输入第二个数字");
+ num2 =scan.nextInt();
+ System.out.println(num1+num2);
+ break;
+ case "2":
+ System.out.println("请输入一个数字");
+ num1 =scan.nextInt();
+ System.out.println("请输入第二个数字");
+ num2 =scan.nextInt();
+ System.out.println(num1-num2);
+ break;
+ case "3":
+ System.out.println("请输入一个数字");
+ num1 =scan.nextInt();
+ System.out.println("请输入第二个数字");
+ num2 =scan.nextInt();
+ System.out.println(num1*num2);
+ break;
+ case "4":
+ System.out.println("请输入一个数字");
+ num1 =scan.nextInt();
+ System.out.println("请输入第二个数字");
+ num2 =scan.nextInt();
+ System.out.println((float)num1/num2);
+ break;
+ case "5":
+ System.out.println("请输入一个数字");
+ num1 =scan.nextInt();
+ System.out.println("请输入第二个数字");
+ num2 =scan.nextInt();
+ System.out.println(num1%num2);
+ break;
+ }
+ }
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo8.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3cafe9728aa64b3c28251c7e5d3a159411253926
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo8.java"
@@ -0,0 +1,25 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo8 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+
+ int i =0;
+ int sum =0;
+ int time =1;
+ Scanner scan =new Scanner(System.in);
+
+ while (time<6) {
+ System.out.println("请输入"+time+"次成绩");
+ i=scan.nextInt();
+ time++;
+ sum+=i;
+ }System.out.println(sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/CFB.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/CFB.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b39e1a96fd22cae7a8701b0787290eef7f7bac50
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/CFB.java"
@@ -0,0 +1,16 @@
+import java.util.Scanner;
+
+public class CFB {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 打印九九乘法表的一行：3*3=?、3*4=?、3*5=?、3*6=?、3*7=?、3*8=?、3*9=?
+ Scanner scan=new Scanner(System.in);
+ int a=3;
+ while(a<=9) {
+ System.out.println("3"+"*"+a+"="+(3*a));
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/CJ.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/CJ.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d6bfa14e5f7bfd3acbc8cca39b56b47d27985f5f
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/CJ.java"
@@ -0,0 +1,13 @@
+import java.util.Scanner;
+
+public class CJ {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 用循环的方法接受用户输入的五个成绩，若用户输入的成绩不在0~100之间，
+// 则打印“该成绩有误，不列入计算”。在循环结束后求出所有输入正确的成绩的总和。
+ Scanner scan=new Scanner(System.in);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/GZR.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/GZR.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d8eee1f32414dd2c74695425877f0d11a9b37067
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/GZR.java"
@@ -0,0 +1,27 @@
+import java.util.Scanner;
+
+public class GZR {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 用switch实现需求 : 键盘录入星期数，输出工作日、休息日 (1-5)工作日，(6-7)休息日
+// 提示 : 如果switch语句中,case省略了break语句, 就会开始case穿透
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入今天星期几");
+ String a = scan.next();
+ switch (a) {
+ case "1":
+ case "2":
+ case "3":
+ case "4":
+ case "5":
+ System.out.println("今天是工作日");
+ }
+ switch (a) {
+ case "6":
+ case "7":
+ System.out.println("今天是休息日");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/JF.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/JF.java"
new file mode 100644
index 0000000000000000000000000000000000000000..af85e1525a9b434aae1019a398448da483a57220
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/JF.java"
@@ -0,0 +1,48 @@
+import java.util.Scanner;
+
+public class JF {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 需求：键盘录入星期数，显示今天的减肥活动：
+// 周一：跑步
+// 周二：游泳
+// 周三：慢走
+// 周四：动感单车
+// 周五：拳击
+// 周六：爬山
+// 周日：好好吃一顿
+// 先询问用户今天是星期几（输入数字即可），接受用户的答案后，判断输出今天的减肥活动
+//
+// 使用switch实现
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入今天星期几");
+ String a = scan.next();
+ switch (a) {
+ case "1":
+ System.out.println("跑步");
+ break;
+ case "2":
+ System.out.println("游泳");
+ break;
+ case "3":
+ System.out.println("慢走");
+ break;
+
+ case "4":
+ System.out.println("动感单车");
+ break;
+ case "5":
+ System.out.println("拳击");
+ break;
+ case "6":
+ System.out.println("爬山");
+ break;
+ case "7":
+ System.out.println("好好吃一顿 ");
+ break;
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/JSQ.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/JSQ.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1d72877e248e961977e294106ea9740afdbeec97
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/JSQ.java"
@@ -0,0 +1,83 @@
+import java.util.Scanner;
+
+public class JSQ {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// *********************************
+// *****微型计算器 ****
+// *****1、求和 ****
+// *****2、求差 ****
+// *****3、求积 ****
+// *****4、求商 ****
+// *****5、求余 ****
+// *****Q、退出 ****
+// *****请选择您想执行的操作 ****
+// *********************************
+// 用户选择某一项后，再请用户输入两个数字，并将其结果显示出来。
+ Scanner scan = new Scanner(System.in);
+ System.out.println("*********************************\r\n" +
+ "*****微型计算器 ****\r\n" +
+ "*****1、求和 ****\r\n" +
+ "*****2、求差 ****\r\n" +
+ "*****3、求积 ****\r\n" +
+ "*****4、求商 ****\r\n" +
+ "*****5、求余 ****\r\n" +
+ "*****Q、退出 ****\r\n" +
+ "*****请选择您想执行的操作 ****\r\n" +
+ "*********************************");
+ System.out.println("请输入你要的操作");
+ String a = scan.next();
+ double c;
+ switch (a) {
+ case "1":
+ System.out.println("请输入第一个值");
+ double num1=scan.nextDouble();
+ System.out.println("请输入第二个值");
+ double num2=scan.nextDouble();
+ c=num1+num2;
+ System.out.println("和为"+c);
+ break;
+ case "2":
+ System.out.println("请输入第一个值");
+ double num3=scan.nextDouble();
+ System.out.println("请输入第二个值");
+ double num4=scan.nextDouble();
+ c=num3-num4;
+ System.out.println("差为"+c);
+ break;
+ case "3":
+ System.out.println("请输入第一个值");
+ double num5=scan.nextDouble();
+ System.out.println("请输入第二个值");
+ double num6=scan.nextDouble();
+ c=num5*num6;
+ System.out.println("奇为"+c);
+ break;
+ case "4":
+ System.out.println("请输入第一个值");
+ double num7=scan.nextDouble();
+ System.out.println("请输入第二个值");
+ double num8=scan.nextDouble();
+ c=num7/num8;
+ System.out.println("商为"+c);
+ break;
+ case "5":
+ System.out.println("请输入第一个值");
+ double num9=scan.nextDouble();
+ System.out.println("请输入第二个值");
+ double num10=scan.nextDouble();
+ c=num9%num10;
+ System.out.println("余为"+c);
+ break;
+ case "Q":
+ System.out.println("退出！");
+ break;
+ default:
+ System.out.println("输入错误！");
+ break;
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/OS.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/OS.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a1fd649483b75fb70777a22db85cf24c0ba7b4e4
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/OS.java"
@@ -0,0 +1,9 @@
+
+public class OS {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/QH.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/QH.java"
new file mode 100644
index 0000000000000000000000000000000000000000..898f764cc9933e38c52594de249f14498dd4cd2c
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/QH.java"
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class QH {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 用循环的方法接受用户输入的五个成绩，若用户输入的成绩不在0~100之间，
+// 则打印“该成绩有误，不列入计算”。在循环结束后求出所有输入正确的成绩的总和。
+
+ Scanner scan=new Scanner(System.in);
+ double a=1;
+ double sum=0;
+ while(a<=5) {
+ System.out.println("请输入一个成绩");
+ double c=scan.nextDouble();
+ if(c>=0&&c<=100) {
+ sum=c+sum;
+ }else {
+ System.out.println("该成绩有误，不列入计算");
+ }a++;
+ }
+ System.out.println(sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/SuShu.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/SuShu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e59573be4dd089e19da836423ed63f30a890704c
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/SuShu.java"
@@ -0,0 +1,24 @@
+import java.util.Scanner;
+
+public class SuShu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入一个数");
+ int num=scan.nextInt();
+ boolean num2=true;
+ if(num>2) {
+ for (int i = 2; i < num; i++) {
+ if(num%i==0) {
+ num2=false;
+ }
+ }
+ String b=num2?"是素数":"不是素数";
+ System.out.println(b);
+ }else {
+ System.out.println("不是素数");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/XH.java" "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/XH.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6b216a483a75606b572df40821fee8c6f6b87a75
--- /dev/null
+++ "b/Java\347\254\254\344\270\203\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/XH.java"
@@ -0,0 +1,16 @@
+import java.util.Scanner;
+
+public class XH {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 使用循环语句在屏幕上打出一行*号（共10个），样子为：**********
+ Scanner scan=new Scanner(System.in);
+ int a=0;
+ while(a<=10) {
+ System.out.print("*");
+ a++;
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/readme.txt" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/readme.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..ddae206849d24dc3c4dd4860cd05f50bc0825a5e
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/readme.txt"
@@ -0,0 +1 @@
+Java第三次作业
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\2333/Huhuan.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\2333/Huhuan.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9f61d1bb927d021bfc07857b7daf95326b5d3ecc
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\2333/Huhuan.java"
@@ -0,0 +1,33 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Huhuan {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int temp;
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("璇疯緭鍏ョ涓涓暟瀛");
+ int age = scanner.nextInt();
+ System.out.println("璇疯緭鍏ョ浜屼釜鏁板瓧");
+ int age1 = scanner.nextInt();
+
+ System.out.println("鎮ㄨ緭鍏ョ殑鏁板瓧涓");
+ System.out.println("age1="+age);
+ System.out.println("age2="+age1);
+
+
+ temp=age;
+ age=age1;
+ age1=temp;
+ System.out.println("鎮ㄨ緭鍏ョ殑鏁板瓧浜掓崲鍚庝负");
+ System.out.println("age1="+age);
+ System.out.println("age2="+age1);
+
+
+
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\2333/Qiangzhuan.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\2333/Qiangzhuan.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4c8ed217e8ab08300a5d4281126e004e8894e98c
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\2333/Qiangzhuan.java"
@@ -0,0 +1,26 @@
+package qiangzhuan;
+import java.util.Scanner;
+public class qiangzhuan {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ double a;
+ float b;
+ int c;
+ byte d;
+ double sum;
+
+ System.out.println("a的值为多少");
+ a = scanner.nextInt();
+
+ b= (float)(a);
+ c= (int)(a);
+ d= (byte)(a);
+ sum =b+c+d ;
+ System.out.println("强转"+b);
+ System.out.println("强转"+c);
+ System.out.println("强转"+d);
+ System.out.println("和"+sum);
+
+}
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\2333/Shuxue.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\2333/Shuxue.java"
new file mode 100644
index 0000000000000000000000000000000000000000..341b8806c59f600d98a94c6cfcaf9a5c19ff26be
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\2333/Shuxue.java"
@@ -0,0 +1,37 @@
+package asdf;
+
+import org.omg.CORBA.ByteHolder;
+
+public class Shuxue {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ System.out.println("1b=8bit");
+ System.out.println("1kb=1024b");
+ System.out.println("1MB=1024kb");
+ System.out.println("1GB=1024mb");
+ System.out.println("1TB=1024GB");
+
+
+
+ System.out.println(Integer.MAX_VALUE);
+ System.out.println(Integer.MIN_VALUE);
+ System.out.println(Byte.MAX_VALUE);
+ System.out.println(Byte.MIN_VALUE);
+ System.out.println(Short.MAX_VALUE);
+ System.out.println(Short.MIN_VALUE);
+ System.out.println(Long.MAX_VALUE);
+ System.out.println(Long.MIN_VALUE);
+ System.out.println(Float.MAX_VALUE);
+ System.out.println(Float.MIN_VALUE);
+ System.out.println(Double.MAX_VALUE);
+ System.out.println(Double.MIN_VALUE);
+
+
+
+
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\2333/Xiangjia.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\2333/Xiangjia.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b64cb08e257b281a27134ff0b0d14079b7a9e985
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\2333/Xiangjia.java"
@@ -0,0 +1,30 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Xiangjia {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+
+ int a;
+ short b;
+ long c;
+ byte d;
+ long sun;
+ System.out.println("a的值为多少");
+ a = scanner.nextInt();
+ System.out.println("b的值为多少");
+ b = scanner.nextShort();
+ System.out.println("c的值为多少");
+ c = scanner.nextLong();
+ System.out.println("d的值为多少");
+ d = scanner.nextByte();
+
+ sun = a+b+c+d;
+ System.out.println("sun="+sun);
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome1.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0263caef9f8aad9c8788d44570ad4daca00c0587
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome1.java"
@@ -0,0 +1,26 @@
+package com.lession2;
+
+import java.util.Scanner;
+
+public class Dome1 {
+ public static void main(String[]args) {
+ //练习3自动类型转换
+ //int float double
+
+ int num1;
+ float num2;
+ double num3;
+ double sum;
+
+ System.out.println("请输入第一个数据");
+ num1 = new Scanner(System.in).nextInt();
+ System.out.println("请输入第二个数据");
+ num2= new Scanner(System.in).nextFloat();
+ System.out.println("请输入一个double数据");
+ num3 = new Scanner(System.in).nextDouble();
+
+ sum = num1 + num2 + num3;
+
+ System.out.println("结果是："+sum);
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome2.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bb83e06b6b6d3a2933ae09b4060ee112ba2a7078
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome2.java"
@@ -0,0 +1,33 @@
+import java.util.Scanner;
+
+public class 互换 {
+
+ public static void main(String[] args) {
+ int num1;
+ int num2;
+ int nemp;
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入1号数字");
+ num1 =scan.nextInt();
+
+ System.out.println("请输入2号数字");
+ num2 =scan.nextInt();
+
+ System.out.println("您输入的两个数字分别是： ");
+ System.out.println("num1 = "+num1);
+ System.out.println("num2 = "+num2);
+
+ nemp=num1;
+ num1=num2;
+ num2=nemp;
+ System.out.println("互换后的两个数字分别是：");
+ System.out.println("num1 = "+num1);
+ System.out.println("num2 = "+num2);
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome3.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a8b8db83fd40fac406c3f8e8c1f7c1e6743783b6
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome3.java"
@@ -0,0 +1,26 @@
+package com.lession2;
+
+import java.util.Scanner;
+
+public class Dome3 {public static class Dome1 {
+
+ //练习4强制转换double float int byte
+ public static void main(String[] args) {
+ int num1;
+ byte num2;
+ float num3;
+ double num4;
+
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入一个double数据");
+ num4 = scan.nextDouble();
+ num1=(int)num4;
+ num2=(byte)num4;
+ num3=(float)num4;
+
+ double sum =num1 +num2 + num3;
+ System.out.println("强制转换后的总和是"+sum);
+ }
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Huhuan.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Huhuan.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6fac3768691cd26cb8a5ebf3f09b25b61d347cea
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Huhuan.java"
@@ -0,0 +1,33 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Huhuan {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int temp;
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ int age = scanner.nextInt();
+ System.out.println("请输入第二个数字");
+ int age1 = scanner.nextInt();
+
+ System.out.println("您输入的数字为");
+ System.out.println("age1="+age);
+ System.out.println("age2="+age1);
+
+
+ temp=age;
+ age=age1;
+ age1=temp;
+ System.out.println("您输入的数字互换后为");
+ System.out.println("age1="+age);
+ System.out.println("age2="+age1);
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Qiangzhuang.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Qiangzhuang.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2a399241908a087c278b81f0decc273f0516db15
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Qiangzhuang.java"
@@ -0,0 +1,31 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Qiangzhuang {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ double a;
+ float b;
+ int c;
+ byte d;
+ double sum;
+
+ System.out.println("a的值为多少");
+ a = scanner.nextInt();
+
+ b= (float)(a);
+ c= (int)(a);
+ d= (byte)(a);
+ sum =b+c+d ;
+ System.out.println("强转"+b);
+ System.out.println("强转"+c);
+ System.out.println("强转"+d);
+ System.out.println("和"+sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Shuxue.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Shuxue.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bb4e61243e73f64d9a8595897eb608a3ce1eebcb
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Shuxue.java"
@@ -0,0 +1,37 @@
+package asdf;
+
+import org.omg.CORBA.ByteHolder;
+
+public class Shuxue {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ System.out.println("1b=8bit");
+ System.out.println("1kb=1024b");
+ System.out.println("1MB=1024kb");
+ System.out.println("1GB=1024mb");
+ System.out.println("1TB=1024GB");
+
+
+
+ System.out.println(Integer.MAX_VALUE);
+ System.out.println(Integer.MIN_VALUE);
+ System.out.println(Byte.MAX_VALUE);
+ System.out.println(Byte.MIN_VALUE);
+ System.out.println(Short.MAX_VALUE);
+ System.out.println(Short.MIN_VALUE);
+ System.out.println(Long.MAX_VALUE);
+ System.out.println(Long.MIN_VALUE);
+ System.out.println(Float.MAX_VALUE);
+ System.out.println(Float.MIN_VALUE);
+ System.out.println(Double.MAX_VALUE);
+ System.out.println(Double.MIN_VALUE);
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Xiangjia.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Xiangjia.java"
new file mode 100644
index 0000000000000000000000000000000000000000..21a4322df7ddbb4c645c5b90e64e143f5034e8c4
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Xiangjia.java"
@@ -0,0 +1,30 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Xiangjia {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+
+ int a;
+ short b;
+ long c;
+ byte d;
+ long sun;
+ System.out.println("a的值为多少");
+ a = scanner.nextInt();
+ System.out.println("b的值为多少");
+ b = scanner.nextShort();
+ System.out.println("c的值为多少");
+ c = scanner.nextLong();
+ System.out.println("d的值为多少");
+ d = scanner.nextByte();
+
+ sun = a+b+c+d;
+ System.out.println("sun="+sun);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/Lianxi\357\274\2101\357\274\211\346\200\273\347\273\223.xlsx" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/Lianxi\357\274\2101\357\274\211\346\200\273\347\273\223.xlsx"
new file mode 100644
index 0000000000000000000000000000000000000000..1fb696b935e09968d2d054989ba67b4e5658fafb
Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/Lianxi\357\274\2101\357\274\211\346\200\273\347\273\223.xlsx" differ
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/Lianxi\357\274\2102\357\274\211.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/Lianxi\357\274\2102\357\274\211.java"
new file mode 100644
index 0000000000000000000000000000000000000000..53b2bd648b33df648de3c9f671c90e77915d086d
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/Lianxi\357\274\2102\357\274\211.java"
@@ -0,0 +1,40 @@
+package lession;
+
+import java.util.Scanner;
+
+public class L01 {
+
+ public static void main(String[] args) {
+ int num1;
+ int num2;
+ int temp;
+ Scanner scan=new Scanner(System.in);
+
+
+ System.out.println("请输入一个数字");
+ num1=scan.nextInt();
+
+ System.out.println("请输入一个数字");
+ num2=scan.nextInt();
+
+ System.out.println("您输入的数字是：");
+ System.out.println("num1是："+num1);
+ System.out.println("num2是："+num2);
+
+ temp=num1;
+ num1=num2;
+ num2=temp;
+
+ System.out.println("您变换的数字是：");
+ System.out.println("num1是："+num1);
+ System.out.println("num2是："+num2);
+
+
+
+
+
+ System.out.println( );
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/Lianxi\357\274\2103\357\274\211.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/Lianxi\357\274\2103\357\274\211.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6acf7583b4c9f463ce8672e3ea8389967f9b76a6
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/Lianxi\357\274\2103\357\274\211.java"
@@ -0,0 +1,34 @@
+package lession;
+
+import java.util.Scanner;
+
+public class L01 {
+
+ public static void main(String[] args) {
+ int num1;
+ float num2;
+ double num3;
+ double sum;
+
+ Scanner scan=new Scanner(System.in);
+ System.out.println( "请输入一个数");
+ num1=scan.nextInt();
+
+ System.out.println( "请输入一个数");
+ num2=scan.nextFloat();
+
+ System.out.println( "请输入一个数");
+ num3=scan.nextDouble();
+
+ sum=num1+num2+num3;
+ System.out.println( "运算结果为");
+ System.out.println(sum);
+
+
+
+
+ System.out.println( );
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/Lianxi\357\274\2104\357\274\211.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/Lianxi\357\274\2104\357\274\211.java"
new file mode 100644
index 0000000000000000000000000000000000000000..203519789370f537fc532a9f72c180313890a8c6
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/Lianxi\357\274\2104\357\274\211.java"
@@ -0,0 +1,22 @@
+package lession;
+
+public class L02 {
+
+ public static void main(String[] args) {
+ double num1;
+ double num2;
+ double num3;
+
+ num1=8.58f;
+ System.out.println(num1);
+
+ num2=(int)100;
+ System.out.println(num2);
+
+ num3=(byte)8.22;
+ System.out.println(num3);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Aaa.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Aaa.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f70ec94e9d1fa701cbf390eafbfde90161f729ae
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Aaa.java"
@@ -0,0 +1,30 @@
+package aaa;
+
+import java.util.Scanner;
+
+public class aa {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner (System.in);
+
+ int number1;
+ int number2;
+ int temp;
+
+ System.out.println("请输入第一个数字：");
+ number1 = scanner.nextInt();
+ System.out.println("请输入第二个数字：");
+ number2 = scanner.nextInt();
+
+ System.out.println("第一个数字是："+number1);
+ System.out.println("第二个数字是："+number2);
+
+ temp=number1;
+ number1=number2;
+ number2=temp;
+ System.out.println("互换后两个数字分别是：");
+ System.out.println(number1);
+ System.out.println(number2);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Bbb.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Bbb.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f20994dfa12e8e82582487f34659debde37246d0
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Bbb.java"
@@ -0,0 +1,25 @@
+package aaa;
+
+import java.util.Scanner;
+
+public class bbb {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ int number1;
+ byte number2;
+ float number3;
+ double sum;
+
+ System.out.println("请输入第一个数：");
+ number1=scanner.nextInt();
+ System.out.println("请输入第二个数：");
+ number2=scanner.nextByte();
+ System.out.println("请输入第三个数：");
+ number3=scanner.nextFloat();
+
+ sum=number1+number2+number3;
+ System.out.println("数值相加等于："+sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Book1.xlsx" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Book1.xlsx"
new file mode 100644
index 0000000000000000000000000000000000000000..424531d5c587c62970d1f97dbfe1b611be0e248a
Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Book1.xlsx" differ
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Ccc.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Ccc.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f0231d03231c39ea21859db4f770b045ebaca8cf
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/Ccc.java"
@@ -0,0 +1,27 @@
+package aaa;
+
+import java.util.Scanner;
+
+public class ccc {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ double number1;
+ float number2;
+ int number3;
+ byte number4;
+ double sum;
+
+ System.out.println("请输入数字");
+ number1=scanner.nextDouble();
+ number2=(float)number1;
+ number3=(int)number1;
+ number4=(byte)number1;
+ System.out.println(number2);
+ System.out.println(number3);
+ System.out.println(number4);
+ sum=number1+number2+number4;
+ System.out.println(sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo01.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..64f5695034d3b0749af4a84383833aa32d96ca94
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo01.java"
@@ -0,0 +1,23 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ Scanner scanner =new Scanner(System.in);
+ System.out.println("请输入你的第一个值");
+ int num1 =scanner.nextInt();
+ System.out.println("请输入你的第二个值");
+ int num2 =scanner.nextInt();
+ System.out.println("你的第一个值："+num1);
+ System.out.println("你的第二个值"+num2);
+ int a = num1;
+ num1 = num2;
+ num2 = a;
+ System.out.println("nub1:"+num1);
+ System.out.println("nub2:"+num2);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo02.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..34db06bf7d3c88a2453561d593d3f3e8adb3fdc4
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo02.java"
@@ -0,0 +1,21 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+
+ Scanner scan =new Scanner(System.in);
+ System.out.println("请输入你的第一个值");
+ int num01 =scan.nextInt();
+ System.out.println("请输入你的第二个值");
+ float num02 =scan.nextFloat();
+ double num03=num02;
+
+ double sum=num01 + num02 +num03;
+ System.out.println("sum:"+sum);
+ }
+
+ }
+
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo03.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..23c70d33d3e8bbb0bcbc965fc5684eadcf2a470e
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo03.java"
@@ -0,0 +1,20 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo03 {
+//强制性转换；
+ public static void main(String[] args) {
+
+ Scanner scan =new Scanner(System.in);
+ System.out.println("请输入你个double数据");
+ double num04=scan.nextDouble();
+ int num01=(int)num04;
+ float num02=(float)num04;
+ byte num03=(byte)num04;
+ float sum=num01+num02+num03;
+ System.out.println("sum:"+sum);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/\346\226\260\345\273\272 Microsoft Office Excel \345\267\245\344\275\234\350\241\250.xlsx" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/\346\226\260\345\273\272 Microsoft Office Excel \345\267\245\344\275\234\350\241\250.xlsx"
new file mode 100644
index 0000000000000000000000000000000000000000..4d0b795dd078183d0c58f631d2f28a3adb9c840a
Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/\346\226\260\345\273\272 Microsoft Office Excel \345\267\245\344\275\234\350\241\250.xlsx" differ
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/.classpath" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/.classpath"
new file mode 100644
index 0000000000000000000000000000000000000000..51a8bbad89682d379e0aadb7bd54d22de601a62f
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/.classpath"
@@ -0,0 +1,6 @@
+
+
+
+
+
+
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/.project" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/.project"
new file mode 100644
index 0000000000000000000000000000000000000000..bbea8cd661138d3757211a98ff77cdd963ae35a3
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/.project"
@@ -0,0 +1,17 @@
+
+
+ YCH
+
+
+
+
+
+ org.eclipse.jdt.core.javabuilder
+
+
+
+
+
+ org.eclipse.jdt.core.javanature
+
+
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/.settings/org.eclipse.jdt.core.prefs" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/.settings/org.eclipse.jdt.core.prefs"
new file mode 100644
index 0000000000000000000000000000000000000000..3a21537071bf4118b9e1ee864cb4bc258aa48211
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/.settings/org.eclipse.jdt.core.prefs"
@@ -0,0 +1,11 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/bin/Demo2.class" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/bin/Demo2.class"
new file mode 100644
index 0000000000000000000000000000000000000000..cc42c44ea6b72ed1b017f4a09e65020aef617955
Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/bin/Demo2.class" differ
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/bin/FZ.class" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/bin/FZ.class"
new file mode 100644
index 0000000000000000000000000000000000000000..1e33f79a69bc918fd48d234d85ee1c839cc1467d
Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/bin/FZ.class" differ
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/bin/ZH.class" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/bin/ZH.class"
new file mode 100644
index 0000000000000000000000000000000000000000..368163e24dfef9178ea01b64dd959480380eaed9
Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/bin/ZH.class" differ
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/src/Demo2.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/src/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5ad33c2829dac61efd71dac15d4ab71af8c02922
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/src/Demo2.java"
@@ -0,0 +1,30 @@
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ int num1;
+ int num2;
+ int temp;
+
+ Scanner scan= new Scanner(System.in);
+ System.out.print("请输入第一个数字!");
+ num1=scan.nextInt();
+
+
+ System.out.print("请输入第二个数字!");
+ num2=scan.nextInt();
+
+ System.out.print("你输入的两位数分别是：");
+ System.out.print("num1="+num1+" " );
+ System.out.print("num2="+num2+" ");
+
+ temp=num1;
+ num1=num2;
+ num2=temp;
+
+ System.out.print("两位互换后分别是：");
+ System.out.print(+num1+" ");
+ System.out.print(+num2 );
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/src/FZ.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/src/FZ.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fc65d11d5da375c9991a0d342cfb520e7c0c44e0
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/src/FZ.java"
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+public class FZ {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int num1;
+ float num2;
+ double num3;
+ double sum;
+ Scanner scan =new Scanner(System.in);
+ System.out.println("输入int值：");
+ num1=scan.nextInt();
+ System.out.println("输入float值：");
+ num2=scan.nextFloat();
+ System.out.println("输入double值：");
+ num3=scan.nextDouble();
+
+ sum = num1 + num2 + num3;
+ System.out.println("总合是："+sum);
+ }
+}
+
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/src/ZH.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/src/ZH.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5a1af4ca8cf1f66971582b9babd3485f51fb53cd
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/YCH/src/ZH.java"
@@ -0,0 +1,26 @@
+import java.util.Scanner;
+
+public class ZH {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int num1;
+ byte num2;
+ float num3;
+ double num4;
+
+ Scanner scan =new Scanner(System.in);
+ num4 = scan.nextDouble();
+ System.out.println("输入int值：");
+ num1=(int)num4;
+ System.out.println("输入byte值：");
+ num2=(byte)num4;
+ System.out.println("输入float值：");
+ num3=(float)num4;
+
+ double sum= num1 +num2 +num3;
+
+ System.out.println("总和是：" );
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\256\241\347\256\227\346\234\272\345\255\230\345\202\250\345\215\225\345\205\203.docx" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\256\241\347\256\227\346\234\272\345\255\230\345\202\250\345\215\225\345\205\203.docx"
new file mode 100644
index 0000000000000000000000000000000000000000..1737f8558e1c21126ff3ae7d56e9f208893c9410
Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/\350\256\241\347\256\227\346\234\272\345\255\230\345\202\250\345\215\225\345\205\203.docx" differ
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo1.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cfebd857e469f768d0b344b029fe7ab380606de2
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo1.java"
@@ -0,0 +1,33 @@
+
+package dxample;
+import java.util.Scanner;
+public class Demo {
+ public static void main(String[]args) {
+ Scanner Scanner =new Scanner(System.in);
+ int a;
+ int b;
+ int c;
+ /*
+ * 输入第一和第二个数
+ * 然后打印出来
+ */
+ System.out.println("请输入第1个数");
+ a=Scanner.nextInt();
+ System.out.println("请输入第2个数");
+ b=Scanner.nextInt();
+ System.out.println("请输入第1个数是"+a);
+ System.out.println("请输入第2个数是"+b);
+
+ /*
+ * 两个整型变量的值互换；
+ * 然后打印出来
+ */
+ c=a;
+ a=b;
+ b=c;
+ System.out.println("请输入第1个数是"+a);
+ System.out.println("请输入第2个数是"+b);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b667b129c35c5cf93d2a08e090ac0f53e4b841ba
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java"
@@ -0,0 +1,17 @@
+package dxample;
+
+import java.util.Scanner;
+
+public class Demo2 {
+ public static void main(String[]args) {
+ int num1;
+ float num2;
+ double num3;
+ double num;
+ Scanner scanner=new Scanner(System.in);
+ scanner.nextInt();
+ scanner.nextFloat();
+ scanner.nextDouble();
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo3.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8844c6c1a5de23b28eb65e0648ee225cee9df1b0
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo3.java"
@@ -0,0 +1,25 @@
+package dxample;
+
+import java.util.Scanner;
+
+public class Demo3 {
+ public static void mian(String[]args) {
+ int num1;
+ byte num2;
+ float num3;
+ double num4;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个double数据：");
+ num4 = scan.nextDouble();
+ num1 =(int)num4;
+ num2 =(byte)num4;
+ num3 =(float)num4;
+
+ double sum =num1+num2+num3;
+
+ System.out.println(sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2373/\345\217\230\351\207\217\344\272\222\346\215\242.txt" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2373/\345\217\230\351\207\217\344\272\222\346\215\242.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..98f27d7623e5648ad30f1cc096ab03ef78a6e157
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2373/\345\217\230\351\207\217\344\272\222\346\215\242.txt"
@@ -0,0 +1,30 @@
+package bianliang;
+
+import java.util.Scanner;
+
+public class BianLiang {
+
+ public static void main (String[] args ) {
+ int nmb1 ;
+ int nmb2 ;
+ int nmb3 ;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("璇疯緭鍏ョ涓涓暟瀛")锛
+ nub1 = scan.nextInt();
+ System.out.printIn{"璇疯緭鍏ョ浜屼釜鏁板瓧"}锛
+ nub2 = scan.nextlnt();
+ System.out.println{"杈撳叆鐨勪簩涓暟瀛楁槸锛"};
+ System.out.println{"nmb1 = " +nmb1};
+ System.out.println{"nmb1 = " + nmb2};
+
+ nmb3 = nmb1;
+ nmb1 = nmb2;
+ nmb2 = nmb3;
+
+ System.out.println("浜掓崲鐨勪袱涓暟瀛楁槸锛");
+ System.out.println("nmb1 = "+ nmb1);
+ System.out.println("nmb2 = "+ nmb2);
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2373/\346\200\273\347\273\223.txt" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2373/\346\200\273\347\273\223.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..6f3e45a76d1abd92e3c734780ab6c6c3f21ffa52
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2373/\346\200\273\347\273\223.txt"
@@ -0,0 +1,26 @@
+import java.nio.charset.Charset;
+
+public class 取值围 {
+
+ public static void main(String[] args) {
+ System.out.println(Byte.MAX_VALUE);
+ System.out.println(Short.MAX_VALUE);
+ System.out.println(Integer.MAX_VALUE);
+ System.out.println(Long.MAX_VALUE);
+ System.out.println(Float.MAX_VALUE);
+ System.out.println(Double.MAX_VALUE);
+
+ System.out.println(Byte.MIN_VALUE);
+ System.out.println(Short.MIN_VALUE);
+ System.out.println(Integer.MIN_VALUE);
+ System.out.println(Long.MIN_VALUE);
+ System.out.println(Float.MIN_VALUE);
+ System.out.println(Double.MIN_VALUE);
+
+
+
+
+
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2373/\347\273\203\344\271\2403.txt" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2373/\347\273\203\344\271\2403.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..8cfde5bcf56f74e820738b5a2279c662186f58aa
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2373/\347\273\203\344\271\2403.txt"
@@ -0,0 +1,23 @@
+package bianliang;
+
+import java.util.Scanner;
+
+public class 缁冧範涓 {
+
+ public static void main (String[] args){
+ int num1;
+ float num2;
+ double num3;
+ int sum;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("璇疯緭鍏ョ涓涓暟瀛");
+ num1 =scan.nextInt();
+ System.out.println("璇疯緭鍏ョ浜屼釜鏁板瓧");
+ num2 =scan.nextByte();
+ System.out.println("璇疯緭鍏ョ涓変釜鏁板瓧");
+ num3 =scan.nextDouble();
+ System.out.println("涓夋暟瀛楃浉鍔犱负");
+ System.out.println(sum=(int) (num1+num2+num3));
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2373/\347\273\203\344\271\2404.txt" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2373/\347\273\203\344\271\2404.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..bab60b2a9ee196223c97abea3a27de5bbabff2f1
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2373/\347\273\203\344\271\2404.txt"
@@ -0,0 +1,26 @@
+package sda;
+
+import java.util.Scanner;
+
+public class 锛涜仈绯诲洓 {
+
+ public static void main(String[] args) {
+ int num1;
+ byte num2;
+ float num3;
+ double num4;
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("璇疯緭鍏ヤ竴涓暟鎹");
+ num4 = scan.nextDouble();
+ num1 = (int)num4;
+ num2 = (byte)num4;
+ num3 = (float)num4;
+
+ double sum = num1 + num2 + num3;
+
+ System.out.println("寮哄埗杞崲鍚庣殑鎬诲拰涓"+sum);
+
+
+ }}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Danwei.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Danwei.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3b921a2e8bd849605f77de89f58997cb879bdb01
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Danwei.java"
@@ -0,0 +1,28 @@
+package lesson;
+
+import org.omg.CORBA.ByteHolder;
+
+public class Danwei {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ System.out.println("1b=8bit");
+ System.out.println("1kb=1024b");
+ System.out.println("1MB=1024kb");
+ System.out.println("1GB=1024mb");
+ System.out.println("1TB=1024GB");
+ System.out.println(Integer.MAX_VALUE);
+ System.out.println(Integer.MIN_VALUE);
+ System.out.println(Byte.MAX_VALUE);
+ System.out.println(Byte.MIN_VALUE);
+ System.out.println(Short.MAX_VALUE);
+ System.out.println(Short.MIN_VALUE);
+ System.out.println(Long.MAX_VALUE);
+ System.out.println(Long.MIN_VALUE);
+ System.out.println(Float.MAX_VALUE);
+ System.out.println(Float.MIN_VALUE);
+ System.out.println(Double.MAX_VALUE);
+ System.out.println(Double.MIN_VALUE);
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Qiangzhuan.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Qiangzhuan.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5236f41941ed5bebf5b1a0dc42f28b4c56937464
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Qiangzhuan.java"
@@ -0,0 +1,31 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Qiangzhuan {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ double a;
+ float b;
+ int c;
+ byte d;
+ double sum;
+
+ System.out.println("a的值为多少");
+ a = scanner.nextInt();
+
+ b= (float)(a);
+ c= (int)(a);
+ d= (byte)(a);
+ sum =b+c+d ;
+ System.out.println("强转"+b);
+ System.out.println("强转"+c);
+ System.out.println("强转"+d);
+ System.out.println("和"+sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Shuzii.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Shuzii.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d219a497e3acbf61946fab68c5f1d47a77c41e8a
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Shuzii.java"
@@ -0,0 +1,33 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Shuzii {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int temp;
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ int age = scanner.nextInt();
+ System.out.println("请输入第二个数字");
+ int age1 = scanner.nextInt();
+
+ System.out.println("您输入的数字为");
+ System.out.println("age1="+age);
+ System.out.println("age2="+age1);
+
+
+ temp=age;
+ age=age1;
+ age1=temp;
+ System.out.println("您输入的数字互换后为");
+ System.out.println("age1="+age);
+ System.out.println("age2="+age1);
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Shuzijia.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Shuzijia.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6f35ae9205efb9169d7efac7cc6e52db1446e3c0
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Shuzijia.java"
@@ -0,0 +1,30 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Shuzijia {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+
+
+ int a;
+ short b;
+ long c;
+ byte d;
+ long sun;
+ System.out.println("a的值为多少");
+ a = scanner.nextInt();
+ System.out.println("b的值为多少");
+ b = scanner.nextShort();
+ System.out.println("c的值为多少");
+ c = scanner.nextLong();
+ System.out.println("d的值为多少");
+ d = scanner.nextByte();
+ sun = a+b+c+d;
+ System.out.println("sun="+sun);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/java\345\217\230\351\207\217\347\237\245\350\257\206\347\202\271.xlsx" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/java\345\217\230\351\207\217\347\237\245\350\257\206\347\202\271.xlsx"
new file mode 100644
index 0000000000000000000000000000000000000000..84a6b4aa5a15561cba316b8f85a23ee7ca164a0b
Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/java\345\217\230\351\207\217\347\237\245\350\257\206\347\202\271.xlsx" differ
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/sum\346\261\202\345\222\214/Demo2.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/sum\346\261\202\345\222\214/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c91fee5758adb83a8b164523c26288306a452e40
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/sum\346\261\202\345\222\214/Demo2.java"
@@ -0,0 +1,35 @@
+package com.md.lesson3;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ int num1;
+ byte num2;
+ float num3;
+
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println();
+ num1 = scan.nextInt();
+
+ System.out.println();
+ num2 = scan.nextByte();
+
+ System.out.println();
+ num3 = scan.nextFloat();
+
+ System.out.println(+num1);
+ System.out.println(+num2);
+ System.out.println(+num3);
+
+ float sum = num1 + num2 + num3;
+
+ System.out.println("sum=" +sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/\345\217\230\351\207\217\344\270\216\350\275\254\346\215\242/Demo3.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/\345\217\230\351\207\217\344\270\216\350\275\254\346\215\242/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ea0ee227e988b7aab919ead51df4ec6a97abc107
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/\345\217\230\351\207\217\344\270\216\350\275\254\346\215\242/Demo3.java"
@@ -0,0 +1,39 @@
+package com.md.lesson2;
+
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ int nub1;
+ int nub2;
+ int temb;
+
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.println("请输入第一个数字：");
+ nub1 = scanner.nextInt();
+
+ System.out.println("请输入第二个数字：");
+ nub2 = scanner.nextInt();
+
+ System.out.println("第一个数字是：" + nub1);
+ System.out.println("第二个数字是：" + nub2);
+
+ temb = nub1;
+ nub1 = nub2;
+ nub2 = temb;
+
+ System.out.println("转换后的第一个数字是：" + nub1);
+ System.out.println("转换后的第二个数字是：" + nub2);
+
+
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/\345\274\272\345\210\266\350\275\254\346\215\242/Dome5.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/\345\274\272\345\210\266\350\275\254\346\215\242/Dome5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cb0e1b87fbb9d9c92d653463d1584ae18bd05020
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/\345\274\272\345\210\266\350\275\254\346\215\242/Dome5.java"
@@ -0,0 +1,28 @@
+package com.md.lesson4;
+
+import java.util.Scanner;
+
+public class Dome4 {
+
+ public static void main(String[] args) {
+ int num1;
+ byte num2;
+ float num3;
+ double num4;
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入一个double数据: ");
+ num4= scan.nextDouble();
+ num1 = (int)num4;
+ num2 = (byte)num4;
+ num3 = (float)num4;
+
+ double sum = num1 + num2 + num3;
+
+ System.out.println("强制类型转换后的总和是："+sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Lesson02.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Lesson02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6361cb5cd4863153fa0de57f10e3604f4f78e1aa
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Lesson02.java"
@@ -0,0 +1,27 @@
+package lesson01;
+
+import java.util.Scanner;
+
+public class lesson02 {
+ public static void main(String[] args) {
+ int num1 ;
+ int num2 ;
+ int temp ;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ num1 = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ num2 = scan.nextInt();
+ System.out.println("第一个数字是:"+num1);
+ System.out.println("第二个数字是:"+num2);
+
+ System.out.println("两个数字互换后是：");
+
+ temp = num1 ;
+ num1 = num2 ;
+ num2 = temp ;
+ System.out.println("互换后第一个:"+num1);
+ System.out.println("互换后第二个:"+num2);
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Lesson03.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Lesson03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5e3dd512dda4bb8bd40972259db3e743d2844efd
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Lesson03.java"
@@ -0,0 +1,22 @@
+package lesson01;
+
+import java.util.Scanner;
+
+public class lesson03 {
+ public static void main (String[] args) {
+ int a ;
+ float b ;
+ double c ;
+ double sum ;
+ Scanner sacn = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ a = sacn.nextInt();
+ System.out.println("请输入第二个数字");
+ b = sacn.nextFloat();
+ System.out.println("请输入第三个数字");
+ c = sacn.nextDouble();
+
+ sum = a+b+c ;
+ System.out.println("sum的值等于"+sum);
+ }
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Lesson04.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Lesson04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5a8d5d6cdb4a490882cabd69da39850fc7e26e5d
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Lesson04.java"
@@ -0,0 +1,24 @@
+package lesson01;
+
+import java.util.Scanner;
+
+public class lesson04 {
+ public static void main (String[] args) {
+ float b ;
+ int c ;
+ byte d ;
+ double a ;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个double数据：");
+ a = scan.nextDouble();
+ b=(int)a;
+ System.out.println("float转换的值"+b);
+ c=(byte)a;
+ System.out.println("int转换的值"+c);
+ d=(byte)a;
+ System.out.println("byte转换的值"+d);
+ double sum = b+c+d;
+ System.out.println("转换后的sum的值是"+sum);
+ }
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Lessson01.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Lessson01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..71e4dd3e7ec69fc584bcfa4c7f390766f656e82c
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Lessson01.java"
@@ -0,0 +1,25 @@
+package lesson01;
+
+public class lessson01 {
+ public static void main(String[] args) {
+ System.out.println("计算机存储单元");
+ System.out.println("最小信息单元叫“位”（bit）又叫“比特位”通常用小写的字母“b”表示");
+ System.out.println("而计算机中最基本的存储单元叫“字节”(byte),通常用大写字母“B”表示，字节是由连续的8个位组成。");
+ System.out.println("常用的存储单元，其换算单位如下");
+ System.out.println("1B（字节）=8bit");
+ System.out.println("1KB = 1024B");
+ System.out.println("1MB = 1024KB");
+ System.out.println("1GB = 1024MB");
+ System.out.println("1TB = 1024GB");
+ System.out.println("Java中的数据类型");
+ System.out.println("byte 内存 1 取值范围-128~127");
+ System.out.println("short 内存 2 取值范围-32768~32767");
+ System.out.println("int(默认) 内存 4 取值范围-2的31次方到2的31次方-1");
+ System.out.println("long 内存 8 取值范围-2的63次方到2的63次方-1");
+ System.out.println("float 内存 4 取值范围 负数：-3.402823E+38到-1.401298E-45 正数：1.401298E-45到3.402823E+38");
+ System.out.println("double(默认) 内存 8 取值范围负数：-1.797693E+308到--4.9000000E-324 4.9000000E-324 到1.797693E+308");
+ System.out.println("char 内存 2 取值范围0-65535");
+ System.out.println("boolean 内存 1 取值范围true，false");
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo01.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ac39b84ba9555913b74b0ce630f5bc0952bfc3d9
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo01.java"
@@ -0,0 +1,21 @@
+package leession;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ System.out.println(Integer.MAX_VALUE);
+ System.out.println(Integer.MIN_VALUE);
+ System.out.println(Float.MAX_VALUE);
+ System.out.println(Float.MIN_VALUE);
+ System.out.println(Double.MIN_VALUE);
+ System.out.println(Double.MAX_VALUE);
+ System.out.println(Long.MAX_VALUE);
+ System.out.println(Long.MIN_VALUE);
+ System.out.println(Byte.MIN_VALUE);
+ System.out.println(Byte.MAX_VALUE);
+ System.out.println(Short.MIN_VALUE);
+ System.out.println(Short.MAX_VALUE);
+
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo02.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e5eb7095ee6574427a194a71d067854c67716a1c
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo02.java"
@@ -0,0 +1,28 @@
+package leession;
+
+import java.util.Scanner;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ int num01;
+ int num02;
+ int temp;
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入您的第一个数字");
+ num01 =scanner.nextInt();
+ System.out.println("请输入您的第二个数字");
+ num02 =scanner.nextInt();
+
+ System.out.println("第一个数字是"+num01);
+ System.out.println("第二个数字是"+num02);
+
+ temp = num01;
+ num01 =num02;
+ num02=temp;
+ System.out.println("互换后");
+ System.out.println("第一个数字是"+num01);
+ System.out.println("第二个数字是"+num02);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo03.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0b1b577d0ee601f2633fe8ba06dbf12d61da4487
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo03.java"
@@ -0,0 +1,23 @@
+package leession;
+
+import java.util.Scanner;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ int num01;
+ float num02;
+ double num03;
+ double sum;
+ System.out.println("输入第一个数据");
+ num01=scan.nextInt();
+ System.out.println("输入第二个数据");
+ num02=scan.nextFloat();
+ System.out.println("输入第三个数据");
+ num03=scan.nextDouble();
+ sum=num01+num02+num03;
+ System.out.println("数字总和为"+sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo04.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6a3110341ce0811a0de782d7e0617d80d598ff58
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo04.java"
@@ -0,0 +1,20 @@
+package leession;
+
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ float num01;
+ int num02;
+ byte num03;
+ double sum;
+ Scanner scan = new Scanner(System.in);
+ num01= scan.nextFloat();
+ num02= scan.nextInt();
+ num03= scan.nextByte();
+ sum=num01+num02+num03;
+ System.out.println("三个数字合"+sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo03.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2f920562e57738a65d4dcd1140dabdc9780d17d5
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo03.java"
@@ -0,0 +1,29 @@
+package lesson3;
+// TODO Auto-generated method stub
+
+import java.util.Scanner;
+
+public class demo03 {
+
+ public static void main(String[] args) {
+ System.out.println("1b=8bit");
+ System.out.println("1kb=1024b");
+ System.out.println("1MB=1024kb");
+ System.out.println("1GB=1024mb");
+ System.out.println("1TB=1024GB");
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println(Integer.MAX_VALUE);
+ System.out.println(Integer.MIN_VALUE);
+ System.out.println(Long.MAX_VALUE);
+ System.out.println(Long.MIN_VALUE);
+ System.out.println(Float.MAX_VALUE);
+ System.out.println(Float.MIN_VALUE);
+ System.out.println(Byte.MAX_VALUE);
+ System.out.println(Byte.MIN_VALUE);
+ System.out.println(Short.MAX_VALUE);
+ System.out.println(Short.MIN_VALUE);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo04.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5ce74352c6de20ea4e00345a96d5962f4b766ad6
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo04.java"
@@ -0,0 +1,33 @@
+package lesson3;
+
+import java.util.Scanner;
+
+// TODO Auto-generated method stub
+
+public class demo04 {
+
+ public static void main(String[] args) {
+ int zero;
+ int one;
+ int temp;
+
+ Scanner scan= new Scanner(System.in);
+
+ System.out.println("请输入第一个数字");
+ zero =scan.nextInt();
+
+ System.out.println("请输入第二个数字");
+ one =scan.nextInt();
+ System.out.println("您输入的两个数字分别是：");
+ System.out.println("zero ="+zero);
+ System.out.println("one ="+one );
+ temp=zero;
+ zero=one;
+ one=temp;
+ System.out.println("交换后的两个变量值为：");
+ System.out.println("zero="+zero);
+ System.out.println("one="+one);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo05.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6a9f5a13f8e0cddf80119f4c94c2a296edda89ee
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo05.java"
@@ -0,0 +1,29 @@
+package lesson3;
+
+import java.util.Scanner;
+
+public class demo05 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+
+ int a;
+ short b;
+ long c;
+ byte d;
+ long sun;
+ System.out.println("a的值为多少");
+ a = scanner.nextInt();
+ System.out.println("b的值为多少");
+ b = scanner.nextShort();
+ System.out.println("c的值为多少");
+ c = scanner.nextLong();
+ System.out.println("d的值为多少");
+ d = scanner.nextByte();
+
+ sun = a+b+c+d;
+ System.out.println("sun="+sun);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo06.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f992e6c6ee7ee858ad57f0d78e1115af76c2da4b
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo06.java"
@@ -0,0 +1,30 @@
+package lesson3;
+
+import java.util.Scanner;
+
+public class demo06 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ double a;
+ float b;
+ int c;
+ byte d;
+ double sum;
+
+ System.out.println("a的值为多少");
+ a = scanner.nextInt();
+
+ b= (float)(a);
+ c= (int)(a);
+ d= (byte)(a);
+ sum =b+c+d ;
+ System.out.println("转换"+b);
+ System.out.println("转换"+c);
+ System.out.println("转换"+d);
+ System.out.println("相加"+sum);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Huhuan.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Huhuan.java"
new file mode 100644
index 0000000000000000000000000000000000000000..68262397d0127d5c2c4bd2dc56b70321e86d0372
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Huhuan.java"
@@ -0,0 +1,33 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class huhuan {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int temp;
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ int age = scanner.nextInt();
+ System.out.println("请输入第二个数字");
+ int age1 = scanner.nextInt();
+
+ System.out.println("您输入的数字为");
+ System.out.println("age1="+age);
+ System.out.println("age2="+age1);
+
+
+ temp=age;
+ age=age1;
+ age1=temp;
+ System.out.println("您输入的数字互换后为");
+ System.out.println("age1="+age);
+ System.out.println("age2="+age1);
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Qiangzhuang.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Qiangzhuang.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3d8be12249425d26f8cfbdc78130528670bcf005
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Qiangzhuang.java"
@@ -0,0 +1,31 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class qiangzhuang {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ double a;
+ float b;
+ int c;
+ byte d;
+ double sum;
+
+ System.out.println("a鐨勫间负澶氬皯");
+ a = scanner.nextInt();
+
+ b= (float)(a);
+ c= (int)(a);
+ d= (byte)(a);
+ sum =b+c+d ;
+ System.out.println("寮鸿浆"+b);
+ System.out.println("寮鸿浆"+c);
+ System.out.println("寮鸿浆"+d);
+ System.out.println("鍜"+sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Shuxue.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Shuxue.java"
new file mode 100644
index 0000000000000000000000000000000000000000..49970e19cd7bd88de765f4be587b5f79521b5026
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Shuxue.java"
@@ -0,0 +1,37 @@
+package asdf;
+
+import org.omg.CORBA.ByteHolder;
+
+public class shuxue {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ System.out.println("1b=8bit");
+ System.out.println("1kb=1024b");
+ System.out.println("1MB=1024kb");
+ System.out.println("1GB=1024mb");
+ System.out.println("1TB=1024GB");
+
+
+
+ System.out.println(Integer.MAX_VALUE);
+ System.out.println(Integer.MIN_VALUE);
+ System.out.println(Byte.MAX_VALUE);
+ System.out.println(Byte.MIN_VALUE);
+ System.out.println(Short.MAX_VALUE);
+ System.out.println(Short.MIN_VALUE);
+ System.out.println(Long.MAX_VALUE);
+ System.out.println(Long.MIN_VALUE);
+ System.out.println(Float.MAX_VALUE);
+ System.out.println(Float.MIN_VALUE);
+ System.out.println(Double.MAX_VALUE);
+ System.out.println(Double.MIN_VALUE);
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Xiangjia.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Xiangjia.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b53cbecd74496b60b3741f63931f5ec26b889e5f
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Xiangjia.java"
@@ -0,0 +1,30 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class xiangjia {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+
+ int a;
+ short b;
+ long c;
+ byte d;
+ long sun;
+ System.out.println("a鐨勫间负澶氬皯");
+ a = scanner.nextInt();
+ System.out.println("b鐨勫间负澶氬皯");
+ b = scanner.nextShort();
+ System.out.println("c鐨勫间负澶氬皯");
+ c = scanner.nextLong();
+ System.out.println("d鐨勫间负澶氬皯");
+ d = scanner.nextByte();
+
+ sun = a+b+c+d;
+ System.out.println("sun="+sun);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo1.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9729adad6739c3fbe614347d7eda93651958661e
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo1.java"
@@ -0,0 +1,23 @@
+package l;
+import java.util.Scanner;
+public class demo1 {
+ public static void main(String[] args) {
+ int num1;
+ float num2;
+ double num3;
+ double sum;
+
+ System.out.println("请输入第一个数据");
+ num1 =new Scanner(System.in).nextInt();
+ System.out.println("请输入第二个数据");
+ num2 =new Scanner(System.in).nextFloat();
+ System.out.println("请输入第一个double数据");
+ num3 =new Scanner(System.in).nextDouble();
+
+ sum = num1 + num2 + num3;
+ System.out.println("结果是;" +sum);
+
+
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo2.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..49c59fd7067658c47d525322e929d1015e1a0400
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo2.java"
@@ -0,0 +1,27 @@
+package l;
+import java.util.Scanner;
+public class demo2 {
+
+
+ public static void main(String[] args) {
+ int num1;
+ byte num2;
+ float num3;
+ double num4;
+
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入一个double数据");
+ num4 = scan.nextDouble();
+ num1=(int)num4;
+ num2=(byte)num4;
+ num3=(float)num4;
+
+ double sum =num1 +num2 + num3;
+ System.out.println("强制转换后的总和是"+sum);
+
+
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/java.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/java.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4132a5748343686dfac2edf958344651f436b77d
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/java.java"
@@ -0,0 +1,28 @@
+package demo;
+
+import java.util.Scanner;
+
+public class java {public static void main(String[] args) {
+ int num1 ;
+ int num2 ;
+ int temp;
+
+
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("2");
+ num1 = scan.nextInt();
+
+
+ System.out.println("20");
+ num2 = scan.nextInt();
+
+ System.out.println("2 20");
+ System.out.println("num1="+ num2);
+ System.out.println("num2="+ num1);
+
+
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/\346\200\273\347\273\223/3.docx" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/\346\200\273\347\273\223/3.docx"
new file mode 100644
index 0000000000000000000000000000000000000000..16cacbdd25a0005acbff274bbc1272fa4c38b188
Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/\346\200\273\347\273\223/3.docx" differ
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/3.docx" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/3.docx"
new file mode 100644
index 0000000000000000000000000000000000000000..16cacbdd25a0005acbff274bbc1272fa4c38b188
Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/3.docx" differ
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\344\270\234\344\270\234.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\344\270\234\344\270\234.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6fb84e835fe388768c2aa21a783d4e3c65954346
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\344\270\234\344\270\234.java"
@@ -0,0 +1,37 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class 东东 {
+
+ public static void main(String[] args) {
+ int one;
+ int second;
+ int cup;
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入第一个数字！！！");
+ one =scan.nextInt();
+
+ System.out.println("请输入第二个数字！！！");
+ second =scan.nextInt();
+
+ System.out.println("你输入的两个数字分别是：");
+ System.out.println("one="+one);
+ System.out.println("second="+second);
+
+ cup=one;
+ one=second;
+ second=cup;
+
+ System.out.println("这是互换结果");
+ System.out.println("one"+one);
+ System.out.println("second="+second);
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\347\273\203\344\271\2403.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\347\273\203\344\271\2403.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b3626e639f0d573460cebf8e8195fb515f6e7330
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\347\273\203\344\271\2403.java"
@@ -0,0 +1,35 @@
+package 东东;
+
+import java.util.Scanner;
+
+import javax.security.auth.Subject;
+
+public class 练习3 {
+
+ private static double sum;
+
+ public static void main(String[] args) {
+ int one;
+ float one2;
+ double one3;
+
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ one = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ one2 = scan.nextFloat();
+ System.out.println("请输入第三个数字");
+ one3 = scan.nextDouble();
+ sum=(one+one2+one3);
+ System.out.println("3个变量相加");
+ System.out.println("sum="+sum);
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\347\273\203\344\271\2404.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\347\273\203\344\271\2404.java"
new file mode 100644
index 0000000000000000000000000000000000000000..35060ef6d88283c0877b6e24d472f9b890b22a15
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\347\273\203\344\271\2404.java"
@@ -0,0 +1,39 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class 练习4 {
+
+ public static void main(String[] args) {
+ int a;
+ byte b;
+ float c;
+ double d;
+
+ Scanner scan =new Scanner(System.in);
+ System.out.println("请输入数字");
+ d =scan.nextDouble();
+
+
+
+ a =(int)d;
+ b =(byte)d;
+ c =(float)d;
+
+
+
+
+
+ double sum = a + b + c;
+
+ System.out.println("强制类型转换后的总和是："+sum);
+
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/lession1/Demo1.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/lession1/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..00b8d95f4c2be578b2c1d2d9f3d502ad0d9e0946
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/lession1/Demo1.java"
@@ -0,0 +1,30 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ Scanner abc = new Scanner (System.in);
+
+ int a ;
+ int b ;
+ int temp;
+
+ System.out.println("请输入第一个数：");
+ a = abc.nextInt();
+ System.out.println("请输入第二个数：");
+ b = abc.nextInt();
+
+ System.out.println("你输入的第一个数是：" + a);
+ System.out.println("你输入的第二个数是：" + b);
+
+ temp = a;
+ a = b;
+ b = temp;
+
+ System.out. println("互换后的第一个数是：" + a);
+ System.out.println("互换后的第二个数是：" + b);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/lession1/Demo2.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/lession1/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..875a644b301a816c73664e3423ca5fd086e2a12f
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/lession1/Demo2.java"
@@ -0,0 +1,29 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Deno2 {
+
+ public static void main(String[] args) {
+ Scanner abc = new Scanner (System.in);
+
+ int a ;
+ byte b ;
+ short c ;
+ char d ;
+ long sum ;
+
+ System.out.println("请输入第一个数：");
+ a = abc.nextInt();
+ System.out.println("请输入第二个数：");
+ b = abc.nextByte();
+ System.out.println("请输入第三个数：");
+ c = abc.nextShort();
+ System.out.println("请输入第四个数：");
+ d = abc.next().charAt(0);
+
+ sum = a+b+c+d;
+ System.out.println("四个数相加等于：" + sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/lession1/Demo3.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/lession1/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a30efebdb72b427d24ddf8ef064cf6a2e8549ef8
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/lession1/Demo3.java"
@@ -0,0 +1,27 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ Scanner abc = new Scanner(System.in);
+
+ double a = 231.5 ;
+ float b ;
+ int c ;
+ byte d ;
+ double sum ;
+
+ b = (float)a ;
+ System.out.println("强制转换后的数："+b);
+ c = (int)a ;
+ System.out.println("强制转换后的数："+c);
+ d = (byte)a ;
+ System.out.println("强制转换后的数："+d);
+
+ sum = b+c+d;
+ System.out.println("转换后的和："+sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/lession1/\346\225\260\346\215\256.txt" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/lession1/\346\225\260\346\215\256.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..b4f3863c7c949c484c7ecefe84281b7849d75d8b
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/lession1/\346\225\260\346\215\256.txt"
@@ -0,0 +1,24 @@
+byte -128~127
+
+
+short -32768~32767
+
+
+int -2147483648~2147483647
+
+
+long -9.22333720368548e+18~9.22333720368548e+18
+
+
+float -3.402823E+38~ -1.401298E-45
+ 1.401298E-45~3.402823E+38
+
+
+double -1.797693E+308~ -4.9000000E-324
+ 4.9000000E-324~1.797693E+308
+
+
+char 0~65535
+
+
+boolean true false
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Book2.xlsx" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Book2.xlsx"
new file mode 100644
index 0000000000000000000000000000000000000000..7c542d780c98895ee316b46a487134a5ea972b43
Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Book2.xlsx" differ
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Work.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Work.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6dcd0ed2697e301ebe39c7ad7a8b43efeeba4054
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Work.java"
@@ -0,0 +1,34 @@
+package com.lession3;
+
+import java.util.Scanner;
+
+public class work {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int nob1;
+ int nob2;
+ int temp;
+ Scanner scan =new Scanner(System.in);
+
+ System.out.println("请输入第一个数字");
+ nob1 =scan.nextInt();
+ System.out.println("请输入第二个数字");
+ nob2 =scan.nextInt();
+ System.out.println("输出两个数字");
+
+ System.out.println("第一个数字"+nob1);
+ System.out.println("第二个数字"+nob2);
+
+ temp =nob1;
+ nob1 =nob2;
+ nob2 =temp;
+ System.out.println("输出互换后的值");
+
+ System.out.println("第一个数字"+nob1);
+ System.out.println("第二个数字"+nob2);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Work3.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Work3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7e4d0532b01b951a93fedfc8fd5d59d5ad1de435
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Work3.java"
@@ -0,0 +1,31 @@
+package com.lession3;
+
+import java.util.Scanner;
+
+public class Work3 {
+
+ public static void main(String[] args) {
+ // 自动转换
+ int name1;
+ float name2;
+ double name3;
+
+ Scanner laing =new Scanner(System.in);
+
+ System.out.println("第一个数字");
+ name1 =laing.nextInt();
+ System.out.println("第二个数字");
+ name2 =laing.nextFloat();
+ System.out.println("第三个数字");
+ name3 =laing.nextDouble();
+
+ double sum =name1+name2+name3;
+
+ System.out.println("sum的值"+sum);
+
+ }
+
+
+
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Work4.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Work4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1343d41ebdb9573a33fce02aeb40677dff3b393c
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Work4.java"
@@ -0,0 +1,31 @@
+package com.lession3;
+
+import java.util.Scanner;
+
+public class Work4 {
+
+ public static void main(String[] args) {
+ // 强制转换
+ double number1=231.5;
+ float number2;
+ int number3;
+ byte number4;
+ double sum;
+ Scanner liang =new Scanner (System.in);
+
+ System.out.println("输入float数据");
+ number2 =liang.nextFloat();
+ System.out.println("输入int数据");
+ number3 =liang.nextInt();
+ System.out.println("输入byte数据");
+ number4 =liang.nextByte();
+
+ number2 =(float)number1;
+ number3 =(int)number1;
+ number4 =(byte)number1;
+
+ double sum1 =number2+number3+number4;
+ System.out.println("输出sum值"+sum1);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2372/Lees_2zuoy.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2372/Lees_2zuoy.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ab0e7e2fed72f24b7d5776ad6be34f4318550cb2
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2372/Lees_2zuoy.java"
@@ -0,0 +1,27 @@
+package com.cd.less_1;
+
+import java.util.Scanner;
+
+public class lees_2zuoy {
+ public static void main(String[] args) {
+
+ int num1;
+ int num2;
+ int num3;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个值：");
+ num1=scan.nextInt();
+ System.out.println("请再输入一个值：");
+ num2=scan.nextInt();
+ System.out.println("您输入的两个数值是:");
+ System.out.println("num1的数值是"+num1);
+ System.out.println("num2的数值是"+num2);
+
+ num3=num1;
+ num1=num2;
+ num2=num3;
+ System.out.println("\n互换后的数值是:：");
+ System.out.println("num1的数值是"+num1);
+ System.out.println("num2的数值是"+num2);
+ }
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2372/Less_1zuoy.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2372/Less_1zuoy.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d04bc308d954e46e95829c43667f70d335bd98b2
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2372/Less_1zuoy.java"
@@ -0,0 +1,22 @@
+package com.cd.less_1;
+
+import java.util.Scanner;
+
+public class less_1zuoy {
+
+ public static void main(String[] args) {
+ System.out.println(Byte.MAX_VALUE);
+ System.out.println(Short.MAX_VALUE);
+ System.out.println(Integer.MAX_VALUE);
+ System.out.println(Long.MAX_VALUE);
+ System.out.println(Float.MAX_VALUE);
+ System.out.println(Double.MAX_VALUE);
+
+ System.out.println(Byte.MIN_VALUE);
+ System.out.println(Short.MIN_VALUE);
+ System.out.println(Integer.MIN_VALUE);
+ System.out.println(Long.MIN_VALUE);
+ System.out.println(Float.MIN_VALUE);
+ System.out.println(Double.MIN_VALUE);
+ }
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2372/Less_3.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2372/Less_3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..34a4b3b1d4168caa370f8bb35dd6945ac96b8aef
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2372/Less_3.java"
@@ -0,0 +1,23 @@
+package com.cd.less_1;
+
+import java.util.Scanner;
+
+public class less_3 {
+ public static void main(String[] args) {
+ int num1;
+ float num2;
+ double num3;
+ double sum4;
+ Scanner scan = new Scanner(System.in);
+
+ num1=scan.nextInt();
+
+ num2=scan.nextFloat();
+
+ num3=scan.nextDouble();
+
+ sum4 = num1+num2+num3;
+ System.out.print("相加的总值是"+sum4);
+
+ }
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2372/Less_4zuoy.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2372/Less_4zuoy.java"
new file mode 100644
index 0000000000000000000000000000000000000000..536a3f4bae795d9d4e0c3f87ef8a2acfa3477d54
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2372/Less_4zuoy.java"
@@ -0,0 +1,22 @@
+package com.cd.less_1;
+
+import java.util.Scanner;
+
+public class Less_4zuoy {
+ public static void main(String[] args) {
+ int num1;
+ float num2;
+ double num3;
+ byte num4;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个double数据");
+ num3 = scan.nextDouble();
+ num1 = (int)num3;
+ num2 = (float)num3;
+ num4 = (byte)num3;
+
+ double sum = num1+num2+num4;
+ System.out.println("强制转换的总和是"+sum);
+ }
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Aa.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Aa.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a6cf160dfd5c618799b7a547c9596e8572483a73
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Aa.java"
@@ -0,0 +1,26 @@
+package dsfsdf;
+
+import java.util.Scanner;
+
+public class Aa {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int num1;
+ byte num2;
+ float num3;
+ double num4;
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("输入double");
+ num4 = scan.nextDouble();
+
+ num1 =(int)num4;
+ num2 =(byte)num4;
+ num3 =(float)num4;
+ double sum =num1+num2+num3;
+ System.out.println( "结果是" +sum);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Dd.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Dd.java"
new file mode 100644
index 0000000000000000000000000000000000000000..10702e6bd752de67ebad3553c8da75737a473039
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Dd.java"
@@ -0,0 +1,33 @@
+package dsfsdf;
+
+import java.util.Scanner;
+
+public class dd {
+
+ private static Object scan;
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int numb1 ;
+ int numb2 ;
+ int temp ;
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ numb1 = scanner.nextInt();
+ System.out.println("请输入第二个数字");
+ numb2 = scanner.nextInt();
+ System.out.println("这两个数字是");
+ System.out.println("numb1 =" + numb1);
+ System.out.println("numb2 =" + numb2);
+
+ temp = numb1;
+ numb1 =numb2;
+ numb2 =temp;
+ System.out.println("互换后的俩个数字是");
+ System.out.println("numb1 =" + numb1);
+ System.out.println("numb2 =" + numb2);
+
+
+}
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Ststem.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Ststem.java"
new file mode 100644
index 0000000000000000000000000000000000000000..dd98b973292ac5841083611668196892d1c037d7
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Ststem.java"
@@ -0,0 +1,25 @@
+package dsfsdf;
+
+import java.util.Scanner;
+
+public class Ststem {
+
+ public static void main(String[] args) {
+ int num1;
+ float num2;
+ double num3;
+ double sum ;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ num1 = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ num2 = scan.nextFloat();
+ System.out.println("请输入第三个数字");
+ num3 = scan.nextDouble();
+ sum = num1+num2+num3;
+ System.out.println("这三个数字相加的结果是"+ sum);
+
+
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\345\217\230\351\207\217\344\272\222\346\215\242.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\345\217\230\351\207\217\344\272\222\346\215\242.java"
new file mode 100644
index 0000000000000000000000000000000000000000..988038e3c8af805e0b7dd66f54852370786f30af
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\345\217\230\351\207\217\344\272\222\346\215\242.java"
@@ -0,0 +1,32 @@
+package bianliang;
+
+import java.util.Scanner;
+
+public class BianLiang {
+
+ public static void main(String[] args) {
+ int nmb1 ;//可乐
+ int nmb2 ;//雪碧
+ int nmb3 ;//空杯子
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ nmb1 = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ nmb2 = scan.nextInt();
+ System.out.println("输入的两个数字是：");
+ System.out.println("nmb1 = "+ nmb1);
+ System.out.println("nmb2 = "+ nmb2);
+
+
+ nmb3 = nmb1;
+ nmb1 = nmb2;
+ nmb2 = nmb3;
+ System.out.println("互换的两个数字是：");
+ System.out.println("nmb1 = "+ nmb1);
+ System.out.println("nmb2 = "+ nmb2);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\347\273\203\344\271\240\344\270\211.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\347\273\203\344\271\240\344\270\211.java"
new file mode 100644
index 0000000000000000000000000000000000000000..268c727fe17060892807264ff8bdeaff6026c025
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\347\273\203\344\271\240\344\270\211.java"
@@ -0,0 +1,26 @@
+package bianliang;
+
+import java.util.Scanner;
+
+public class 练习三 {
+
+ public static void main(String[] args) {
+ int num1;
+ float num2;
+ double num3;
+ int sum;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ num1 =scan.nextInt();
+ System.out.println("请输入第二个数字");
+ num2 =scan.nextByte();
+ System.out.println("请输入第三个数字");
+ num3 =scan.nextDouble();
+ System.out.println("三数字相加为");
+ System.out.println(sum=(int) (num1+num2+num3));
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\350\201\224\347\263\273\345\233\233.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\350\201\224\347\263\273\345\233\233.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8741e68ed824f84ff6fe4f1941fbd878895e111f
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\350\201\224\347\263\273\345\233\233.java"
@@ -0,0 +1,28 @@
+
+
+package sda;
+
+import java.util.Scanner;
+
+public class 联系四 {
+
+ public static void main(String[] args) {
+ int num1;
+ byte num2;
+ float num3;
+ double num4;
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入一个数据");
+ num4 = scan.nextDouble();
+ num1 = (int)num4;
+ num2 = (byte)num4;
+ num3 = (float)num4;
+
+ double sum = num1 + num2 + num3;
+
+ System.out.println("强制转换后的总和为"+sum);
+
+
+ }}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Hh.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Hh.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fdd4ac466c172d97fe5b729933b3105da725a7e7
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Hh.java"
@@ -0,0 +1,33 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Hh {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int temp;
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ int age = scanner.nextInt();
+ System.out.println("请输入第二个数字");
+ int age1 = scanner.nextInt();
+
+ System.out.println("您输入的数字为");
+ System.out.println("age1="+age);
+ System.out.println("age2="+age1);
+
+
+ temp=age;
+ age=age1;
+ age1=temp;
+ System.out.println("您输入的数字互换后为");
+ System.out.println("age1="+age);
+ System.out.println("age2="+age1);
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Qz.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Qz.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6e3fe5b9c68b1a3c9ebb183bf67d6bc22043d124
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Qz.java"
@@ -0,0 +1,31 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Qz {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ double a;
+ float b;
+ int c;
+ byte d;
+ double sum;
+
+ System.out.println("a的值为多少");
+ a = scanner.nextInt();
+
+ b= (float)(a);
+ c= (int)(a);
+ d= (byte)(a);
+ sum =b+c+d ;
+ System.out.println("强转"+b);
+ System.out.println("强转"+c);
+ System.out.println("强转"+d);
+ System.out.println("和"+sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Sx.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Sx.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ebcb620c716e8b68d572f47b1f543f2bf9671f72
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Sx.java"
@@ -0,0 +1,37 @@
+package asdf;
+
+import org.omg.CORBA.ByteHolder;
+
+public class Sx {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ System.out.println("1b=8bit");
+ System.out.println("1kb=1024b");
+ System.out.println("1MB=1024kb");
+ System.out.println("1GB=1024mb");
+ System.out.println("1TB=1024GB");
+
+
+
+ System.out.println(Integer.MAX_VALUE);
+ System.out.println(Integer.MIN_VALUE);
+ System.out.println(Byte.MAX_VALUE);
+ System.out.println(Byte.MIN_VALUE);
+ System.out.println(Short.MAX_VALUE);
+ System.out.println(Short.MIN_VALUE);
+ System.out.println(Long.MAX_VALUE);
+ System.out.println(Long.MIN_VALUE);
+ System.out.println(Float.MAX_VALUE);
+ System.out.println(Float.MIN_VALUE);
+ System.out.println(Double.MAX_VALUE);
+ System.out.println(Double.MIN_VALUE);
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Xj.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Xj.java"
new file mode 100644
index 0000000000000000000000000000000000000000..14b91b750bf9a0551e2bdd794516ab9745490fc8
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Xj.java"
@@ -0,0 +1,30 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Xj {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+
+ int a;
+ short b;
+ long c;
+ byte d;
+ long sun;
+ System.out.println("a的值为多少");
+ a = scanner.nextInt();
+ System.out.println("b的值为多少");
+ b = scanner.nextShort();
+ System.out.println("c的值为多少");
+ c = scanner.nextLong();
+ System.out.println("d的值为多少");
+ d = scanner.nextByte();
+
+ sun = a+b+c+d;
+ System.out.println("sun="+sun);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Huhuan.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Huhuan.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6fac3768691cd26cb8a5ebf3f09b25b61d347cea
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Huhuan.java"
@@ -0,0 +1,33 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Huhuan {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int temp;
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ int age = scanner.nextInt();
+ System.out.println("请输入第二个数字");
+ int age1 = scanner.nextInt();
+
+ System.out.println("您输入的数字为");
+ System.out.println("age1="+age);
+ System.out.println("age2="+age1);
+
+
+ temp=age;
+ age=age1;
+ age1=temp;
+ System.out.println("您输入的数字互换后为");
+ System.out.println("age1="+age);
+ System.out.println("age2="+age1);
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Qiangzhuang.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Qiangzhuang.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2a399241908a087c278b81f0decc273f0516db15
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Qiangzhuang.java"
@@ -0,0 +1,31 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Qiangzhuang {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ double a;
+ float b;
+ int c;
+ byte d;
+ double sum;
+
+ System.out.println("a的值为多少");
+ a = scanner.nextInt();
+
+ b= (float)(a);
+ c= (int)(a);
+ d= (byte)(a);
+ sum =b+c+d ;
+ System.out.println("强转"+b);
+ System.out.println("强转"+c);
+ System.out.println("强转"+d);
+ System.out.println("和"+sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Shuxue.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Shuxue.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bb4e61243e73f64d9a8595897eb608a3ce1eebcb
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Shuxue.java"
@@ -0,0 +1,37 @@
+package asdf;
+
+import org.omg.CORBA.ByteHolder;
+
+public class Shuxue {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ System.out.println("1b=8bit");
+ System.out.println("1kb=1024b");
+ System.out.println("1MB=1024kb");
+ System.out.println("1GB=1024mb");
+ System.out.println("1TB=1024GB");
+
+
+
+ System.out.println(Integer.MAX_VALUE);
+ System.out.println(Integer.MIN_VALUE);
+ System.out.println(Byte.MAX_VALUE);
+ System.out.println(Byte.MIN_VALUE);
+ System.out.println(Short.MAX_VALUE);
+ System.out.println(Short.MIN_VALUE);
+ System.out.println(Long.MAX_VALUE);
+ System.out.println(Long.MIN_VALUE);
+ System.out.println(Float.MAX_VALUE);
+ System.out.println(Float.MIN_VALUE);
+ System.out.println(Double.MAX_VALUE);
+ System.out.println(Double.MIN_VALUE);
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Xiangjia.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Xiangjia.java"
new file mode 100644
index 0000000000000000000000000000000000000000..21a4322df7ddbb4c645c5b90e64e143f5034e8c4
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Xiangjia.java"
@@ -0,0 +1,30 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Xiangjia {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+
+ int a;
+ short b;
+ long c;
+ byte d;
+ long sun;
+ System.out.println("a的值为多少");
+ a = scanner.nextInt();
+ System.out.println("b的值为多少");
+ b = scanner.nextShort();
+ System.out.println("c的值为多少");
+ c = scanner.nextLong();
+ System.out.println("d的值为多少");
+ d = scanner.nextByte();
+
+ sun = a+b+c+d;
+ System.out.println("sun="+sun);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession/Demo01.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..64f5695034d3b0749af4a84383833aa32d96ca94
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession/Demo01.java"
@@ -0,0 +1,23 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ Scanner scanner =new Scanner(System.in);
+ System.out.println("请输入你的第一个值");
+ int num1 =scanner.nextInt();
+ System.out.println("请输入你的第二个值");
+ int num2 =scanner.nextInt();
+ System.out.println("你的第一个值："+num1);
+ System.out.println("你的第二个值"+num2);
+ int a = num1;
+ num1 = num2;
+ num2 = a;
+ System.out.println("nub1:"+num1);
+ System.out.println("nub2:"+num2);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession/Demo02.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..34db06bf7d3c88a2453561d593d3f3e8adb3fdc4
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession/Demo02.java"
@@ -0,0 +1,21 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+
+ Scanner scan =new Scanner(System.in);
+ System.out.println("请输入你的第一个值");
+ int num01 =scan.nextInt();
+ System.out.println("请输入你的第二个值");
+ float num02 =scan.nextFloat();
+ double num03=num02;
+
+ double sum=num01 + num02 +num03;
+ System.out.println("sum:"+sum);
+ }
+
+ }
+
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession/Demo03.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..23c70d33d3e8bbb0bcbc965fc5684eadcf2a470e
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession/Demo03.java"
@@ -0,0 +1,20 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo03 {
+//强制性转换；
+ public static void main(String[] args) {
+
+ Scanner scan =new Scanner(System.in);
+ System.out.println("请输入你个double数据");
+ double num04=scan.nextDouble();
+ int num01=(int)num04;
+ float num02=(float)num04;
+ byte num03=(byte)num04;
+ float sum=num01+num02+num03;
+ System.out.println("sum:"+sum);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession/\346\226\260\345\273\272 Microsoft Office Excel \345\267\245\344\275\234\350\241\250.xlsx" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession/\346\226\260\345\273\272 Microsoft Office Excel \345\267\245\344\275\234\350\241\250.xlsx"
new file mode 100644
index 0000000000000000000000000000000000000000..4d0b795dd078183d0c58f631d2f28a3adb9c840a
Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession/\346\226\260\345\273\272 Microsoft Office Excel \345\267\245\344\275\234\350\241\250.xlsx" differ
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Demo1.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a29c7ba03dc38e4673495c3a9665b0dc70c868c3
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Demo1.java"
@@ -0,0 +1,30 @@
+package lession3;
+
+import java.util.Scanner;
+
+public class demo1 {
+
+ public static void main(String[] args) {
+ int a;
+ int b;
+ int temp;
+ Scanner scan = new Scanner (System.in);
+
+ System.out.println("请输入第一个数字");
+ a = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ b = scan.nextInt();
+ System.out.println("您输入的两个数字分别是");
+ System.out.println(a);
+ System.out.println(b);
+
+ temp = a;
+ a = b;
+ b = temp;
+ System.out.println("互换后的第一个数是:"+a);
+ System.out.println("互换后的第二个数是："+b);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Demo2.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..03c6097458985d08b0ffa1047cec29a0c6435b13
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Demo2.java"
@@ -0,0 +1,31 @@
+package lession3;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ int a;
+ byte b;
+ short c;
+ char d;
+ int sum;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ a = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ b = scan.nextByte();
+ System.out.println("请输入第三个数字");
+ c = scan.nextShort();
+ System.out.println("请输入第四个数字");
+ d =scan.next().charAt(0);
+
+ sum = a +(int)b +(int)d +(int)c;
+ System.out.println("四个数相加结果是："+sum);
+
+
+ }
+
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Demo3.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a0215283bc2311758ef1a7f3c7ca88923ce475c9
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Demo3.java"
@@ -0,0 +1,29 @@
+package lession3;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ double a = 231.5;
+ float b;
+ int c;
+ byte d;
+ double sum;
+
+ b=(float)a;
+ System.out.println("强制转换后的数"+b);
+ c=(int)a;
+ System.out.println("强制转换后的数"+c);
+ d=(byte)a;
+ System.out.println("强制转换后的数"+d);
+
+ sum=b + c + d;
+ System.out.println("强制转换后的数相加结果是："+sum);
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Shuju.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Shuju.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1a753749ab439b736635016ae6b56d9db519503b
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Shuju.java"
@@ -0,0 +1,30 @@
+package lession;
+
+public class Shuju {
+
+ public static void main(String[] args) {
+
+ System.out.println("1b=8bit");
+ System.out.println("1kb=1024b");
+ System.out.println("1MB=1024kb");
+ System.out.println("1GB=1024mb");
+ System.out.println("1TB=1024GB");
+
+
+
+ System.out.println(Integer.MAX_VALUE);
+ System.out.println(Integer.MIN_VALUE);
+ System.out.println(Byte.MAX_VALUE);
+ System.out.println(Byte.MIN_VALUE);
+ System.out.println(Short.MAX_VALUE);
+ System.out.println(Short.MIN_VALUE);
+ System.out.println(Long.MAX_VALUE);
+ System.out.println(Long.MIN_VALUE);
+ System.out.println(Float.MAX_VALUE);
+ System.out.println(Float.MIN_VALUE);
+ System.out.println(Double.MAX_VALUE);
+ System.out.println(Double.MIN_VALUE);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225 \347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/Xzir.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225 \347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/Xzir.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a7f75640199489a070d3c98f0165ffa44d8dc206
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225 \347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/Xzir.java"
@@ -0,0 +1,29 @@
+package com.md.lessiona;
+
+import java.util.Scanner;
+
+public class Xzir {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int num1;
+ int num2;
+ int temp;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ num1 = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ num2 = scan.nextInt();
+ System.out.println("第一个数字是：" +num1);
+ System.out.println("第二个数字是：" +num2);
+ temp = num1;
+ num1 = num2;
+ num2 = temp;
+ System.out.println("互换后的数字分别是：");
+ System.out.println("第一个数字是：" +num1);
+ System.out.println("第二个数字是：" +num2);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225 \347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/Xzr1.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225 \347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/Xzr1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c9543e8282a676b8c6808265ed6a79766a15e4f8
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225 \347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/Xzr1.java"
@@ -0,0 +1,25 @@
+package com.md.lessiona;
+
+import java.util.Scanner;
+
+public class Xzr1 {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int one;
+ float two;
+ double three;
+ double sum;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入第一个值：");
+ one= scan.nextInt();
+ System.out.println("请输入第二个值：");
+ two = scan.nextFloat();
+ System.out.println("请输入第三个值：");
+ three = scan.nextDouble();
+ sum= (one + two + three);
+ System.out.println("Sum的和：" + sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225 \347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/Xzr2.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225 \347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/Xzr2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..23ed55704884a4b948a7c6eea2b4380211b294de
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225 \347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/Xzr2.java"
@@ -0,0 +1,26 @@
+package com.md.lessiona;
+
+import java.util.Scanner;
+
+public class Xzr2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int num1;
+ float num2;
+ byte num3;
+ double num4;
+ double sum;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个double数值：");
+ num4 = scan.nextDouble();
+ num1= (int)num4;
+ num2=(float)num4;
+ num3=(byte)num4;
+ sum = num1 + num2 + num3 ;
+ System.out.println("强制转换的值为："+sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson1_lab.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson1_lab.java"
new file mode 100644
index 0000000000000000000000000000000000000000..23edfef8b10a36795e4a396cc93642ad7f838cc3
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson1_lab.java"
@@ -0,0 +1,32 @@
+package 赵嘉骏;
+
+import java.util.Scanner;
+
+public class lesson1_lab {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int num1;
+ int num2;
+ int temp;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入数字1");
+ num1 = scanner.nextInt();
+
+ System.out.println("请输入数字2");
+ num2 = scanner.nextInt();
+
+ System.out.println("交换两个数字后");
+
+ temp=num1;
+ num1=num2;
+ num2=temp;
+
+ System.out.println("变后的数字1是:"+ num1);
+ System.out.println("变后的数字2是:"+ num2);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson2_lab.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson2_lab.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bd6374001821a6482bfac655979003406fda599d
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson2_lab.java"
@@ -0,0 +1,33 @@
+package 赵嘉骏;
+
+import java.util.Scanner;
+
+public class lesson2_lab {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int num1;
+ float num2;
+ byte num3;
+ double num4;
+ double sum;
+ Scanner scanner=new Scanner(System.in);
+
+ System.out.println("请输入一个Double型数值");
+ num4 =scanner.nextDouble();
+
+ num1=(int) (num4);
+ System.out.println("转换为int型为"+num1);
+
+ num2=(float) (num4);
+ System.out.println("转换为float型为"+num2);
+
+ num3=(byte) (num4);
+ System.out.println("转换为byte型为"+num1);
+
+ sum = num1 + num2 +num3;
+ System.out.println("这三个数值和为" +sum);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson3_lab.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson3_lab.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b4c6e80c5e95f2603296f99b6d57a05a76b4299a
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/lesson3_lab.java"
@@ -0,0 +1,31 @@
+package 赵嘉骏;
+
+import java.util.Scanner;
+
+public class lesson3_lab {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int num1 ;
+ float num2 ;
+ double num3;
+ double sum;
+
+ Scanner scanner=new Scanner(System.in);
+
+ System.out.println("请输入一个int数值");
+ num1 =scanner.nextInt();
+
+ System.out.println("请输入一个float数值");
+ num2 =scanner.nextFloat();
+
+ System.out.println("请输入一个Double数值");
+ num3 =scanner.nextDouble();
+
+ sum =num1 + num2 + num3;
+
+ System.out.println("这三个数值相加为" +sum);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/\350\265\265\345\230\211\351\252\217 2.xlsx" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/\350\265\265\345\230\211\351\252\217 2.xlsx"
new file mode 100644
index 0000000000000000000000000000000000000000..e8aa0122b38f4932a42e9eed79bb10324237c802
Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/\350\265\265\345\230\211\351\252\217 2.xlsx" differ
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Huhuan4.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Huhuan4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..df9b15c3016470adaa25595cc2f78f47dd11fd64
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Huhuan4.java"
@@ -0,0 +1,30 @@
+package xue4;
+
+import java.util.Scanner;
+
+public class xue4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ int a;
+ int b;
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ a=scanner.nextInt();
+ System.out.println("请输入第二个数字");
+ b=scanner.nextInt();
+ System.out.println("第一个数字是"+a);
+ System.out.println("第二个数字是"+b);
+
+ int empt;
+ empt=a;
+ a=b;
+ b=empt;
+ System.out.println("互换后");
+ System.out.println("第一个数字是"+a);
+ System.out.println("第二个数字是"+b);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Xiangjia.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Xiangjia.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ebfc43e5d242adf590119251c4708fa8e69a866b
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Xiangjia.java"
@@ -0,0 +1,24 @@
+package xue5;
+
+import java.util.Scanner;
+
+public class xue5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a;
+ float b;
+ double c;
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入第一个数");
+ a=scan.nextInt();
+ System.out.println("请输入第二个数");
+ b=scan.nextFloat();
+ System.out.println("请输入第三个数");
+ c=scan.nextDouble();
+ double sum=a+b+c;
+ System.out.print("sum=");
+ System.out.println(sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Zhuanhua.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Zhuanhua.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ef9b8588ff5ceff77394a635d4726094c9cabc41
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Zhuanhua.java"
@@ -0,0 +1,16 @@
+package xue6;
+
+public class lianxi {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double a=231.5;
+ int b=(int)a;
+ byte c=(byte)a;
+ float d=(float)a;
+ double sum=a+b+c+d;
+ System.out.print("sum=");
+ System.out.println(sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Zongjie.txt" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Zongjie.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..ab040ab9f96b28300525d1c84aea15ede5c8328b
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Zongjie.txt"
@@ -0,0 +1,17 @@
+1B=8bit
+1KB=1024B
+1MB=1024KB
+1GB=1024MB
+1TB=1024GB
+
+数据类型 关键字 内存占用 取值范围
+整数类型 byte 1 -128~127
+ short 2 -32768~32767
+ int(默认） 4 -2的31次方到2的31次方-1
+ long 8 -2的31次方到2的64次方-1
+浮点类型 float 4 负数：-3.402823E+38到-1.41298E-45
+ 正数：1.401298E-45 到1.797693E+38
+ double(默认) 8 负数：-1.797693E+308到4.9000000E-324
+ 正数：4.9000000E-324到1.797693E+308
+字符类型 char 2 0-65535
+布尔类型 boolean 1 true，false
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Huhuan.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Huhuan.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bb83e06b6b6d3a2933ae09b4060ee112ba2a7078
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Huhuan.java"
@@ -0,0 +1,33 @@
+import java.util.Scanner;
+
+public class 互换 {
+
+ public static void main(String[] args) {
+ int num1;
+ int num2;
+ int nemp;
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入1号数字");
+ num1 =scan.nextInt();
+
+ System.out.println("请输入2号数字");
+ num2 =scan.nextInt();
+
+ System.out.println("您输入的两个数字分别是： ");
+ System.out.println("num1 = "+num1);
+ System.out.println("num2 = "+num2);
+
+ nemp=num1;
+ num1=num2;
+ num2=nemp;
+ System.out.println("互换后的两个数字分别是：");
+ System.out.println("num1 = "+num1);
+ System.out.println("num2 = "+num2);
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Lianxi3.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Lianxi3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..044836bedc6a40d05003e0546bcc9b060bf580c4
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Lianxi3.java"
@@ -0,0 +1,33 @@
+package lesssion3;
+
+import java.util.Scanner;
+
+public class 练习3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ //int float double byte short long
+ int nmb1;
+ float nmb2;
+ double nmb3;
+ byte nmb4;
+ long nmb5;
+ short nmb6;
+ double sum;
+
+ Scanner scan = new Scanner(System.in);
+
+ nmb1= scan.nextInt();
+ nmb2= scan.nextFloat();
+ nmb3= scan.nextDouble();
+ nmb4= scan.nextByte();
+ nmb5= scan.nextLong();
+ nmb6= scan.nextShort();
+
+ sum=nmb1+nmb2+nmb3+nmb4;
+
+ System.out.println("计算结果为："+sum);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Lianxi4.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Lianxi4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4d8b6665620d7bf024800893c1fa76064fda85f5
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Lianxi4.java"
@@ -0,0 +1,29 @@
+package lesssion3;
+
+import java.util.Scanner;
+
+public class 练习4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int num1;
+ byte num2;
+ float num3;
+ double num4;
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入一个double数据：");
+ num4=scan.nextDouble();
+ num1=(int)num4;
+ num2=(byte)num4;
+ num3=(float)num4;
+
+ double sum=num1+num2+num3;
+
+ System.out.println("强制类型转化后的总和是："+sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Quzhi.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Quzhi.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e543eba210ab9549e7ac54daa76c49b8cde62628
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Quzhi.java"
@@ -0,0 +1,26 @@
+import java.nio.charset.Charset;
+
+public class 取值范围 {
+
+ public static void main(String[] args) {
+ System.out.println(Byte.MAX_VALUE);
+ System.out.println(Short.MAX_VALUE);
+ System.out.println(Integer.MAX_VALUE);
+ System.out.println(Long.MAX_VALUE);
+ System.out.println(Float.MAX_VALUE);
+ System.out.println(Double.MAX_VALUE);
+
+ System.out.println(Byte.MIN_VALUE);
+ System.out.println(Short.MIN_VALUE);
+ System.out.println(Integer.MIN_VALUE);
+ System.out.println(Long.MIN_VALUE);
+ System.out.println(Float.MIN_VALUE);
+ System.out.println(Double.MIN_VALUE);
+
+
+
+
+
+
+}
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye05.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2a477e58ca18a70d87cfe810545aa7ff012a9001
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye05.java"
@@ -0,0 +1,37 @@
+package zuoye;
+
+import java.util.Scanner;
+
+public class Zuoye05 {
+
+ public static void main(String[] args) {
+
+ int c;
+ Scanner scanner=new Scanner (System.in);
+ System.out.println("请输入第一个数：");
+ int a =scanner.nextInt();
+
+ System.out.println("请输入第二个数：");
+ int b =scanner.nextInt();
+
+ System.out.println("您输入的第一位数是："+a);
+ System.out.println("您输入的第二位数是："+b);
+
+ c=a;
+ a=b;
+ b= c;
+
+ System.out.println("两位数互换后为:");
+ System.out.println("您输入的第一位数是："+a);
+ System.out.println("您输入的第二位数是："+b);
+
+
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye06.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..dfe29cee88b8a80fd8e78da7a9ba11adcd43216d
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye06.java"
@@ -0,0 +1,28 @@
+package zuoye;
+
+import java.util.Scanner;
+
+public class Zuoye06 {
+
+ public static void main(String[] args) {
+ int a;
+ float b;
+ double c;
+ double sum;
+
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入第一位数：");
+ a=scanner.nextInt();
+
+ System.out.println("请输入第二位数：");
+ b=scanner.nextFloat();
+
+ System.out.println("请输入第三位数：");
+ c=scanner.nextDouble();
+ sum=a+b+c;
+ System.out.println("这三位数的和为："+sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye07.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0b84a0533105b02d5f6ecb5995be22ec953fd961
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye07.java"
@@ -0,0 +1,38 @@
+package zuoye;
+
+import java.util.Scanner;
+
+public class Zuoye07 {
+
+
+ public static void main(String [] args) {
+ Scanner scanner=new Scanner(System.in);
+ double a;
+ float b;
+ int c;
+ byte d;
+ double sum;
+
+ System.out.println("double的值为：");
+ a=scanner.nextDouble();
+ b=(float)a;
+ c=(int)a;
+ d=(byte)a;
+
+ sum=b+c+d;
+ System.out.println("转换后的值和为："+sum);
+
+ System.out.println("转为float的值为："+b);
+ System.out.println("转为int的值为："+c);
+ System.out.println("转为byte的值为："+d);
+
+
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/\347\261\273\345\236\213.txt" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/\347\261\273\345\236\213.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..802e9875f9926bc3258e756efd0ebc3a985f370b
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/\347\261\273\345\236\213.txt"
@@ -0,0 +1,20 @@
+1Byte=8bit
+1KB=1024Byte
+1MB=1024KB
+1GB=1024MB
+1TB=1024GB
+
+数据类型 关键字 占用空间/字节 取值范围
+整数类型 byte 1 -128~127
+ short 2 -32768~32767
+ int 4 -2147483648~2147483647（-2的31次方到2的31次方-1）
+ long 8 -9223372036854775808~9223372036854775807（-2的63次方到2的63次方-1）
+
+浮点类型 float 4 1.401298e-45~3.402823e+38
+ double 8 4.900000e-324~1.797693e+308
+
+字符类型 char 2 0~65535
+布尔类型 boolean 1 true，false
+
+e+38表示是乘以10的38次方
+e-45表示是乘以10的-45次方
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/\347\254\224\350\256\260.txt" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/\347\254\224\350\256\260.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..5278be5f60ebebb37973466cf87ac768fd0df317
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/\347\254\224\350\256\260.txt"
@@ -0,0 +1,32 @@
+
+整数类型：
+byte 的取值范围：-128～127（-2的7次方到2的7次方-1）
+
+short 的取值范围：-32768～32767（-2的15次方到2的15次方-1）
+
+int 的取值范围：-2147483648～2147483647（-2的31次方到2的31次方-1）
+
+long 的取值范围：-9223372036854774808～9223372036854774807（-2的63次方到2的63次方-1）
+
+小数类型：
+double（双精度浮点型）取值范围：1.797693e+308～4.9000000e-324（同上）
+
+float（单精度浮点型）取值范围：3.402823e+38～1.401298e-45（e+38 表示乘以10的38次方，而e-45 表示乘以10的负45次方）
+
+字符类型：
+char的取值范围：0~65535
+
+布尔类型（判断是与否）：true,false
+
+
+计算机储存：
+
+1B=8bit
+
+1KB=1024B
+
+1MB=1024KB
+
+1GB=1024MB
+
+1TB=1024GB
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo1.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9729adad6739c3fbe614347d7eda93651958661e
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo1.java"
@@ -0,0 +1,23 @@
+package l;
+import java.util.Scanner;
+public class demo1 {
+ public static void main(String[] args) {
+ int num1;
+ float num2;
+ double num3;
+ double sum;
+
+ System.out.println("请输入第一个数据");
+ num1 =new Scanner(System.in).nextInt();
+ System.out.println("请输入第二个数据");
+ num2 =new Scanner(System.in).nextFloat();
+ System.out.println("请输入第一个double数据");
+ num3 =new Scanner(System.in).nextDouble();
+
+ sum = num1 + num2 + num3;
+ System.out.println("结果是;" +sum);
+
+
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo2.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..49c59fd7067658c47d525322e929d1015e1a0400
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo2.java"
@@ -0,0 +1,27 @@
+package l;
+import java.util.Scanner;
+public class demo2 {
+
+
+ public static void main(String[] args) {
+ int num1;
+ byte num2;
+ float num3;
+ double num4;
+
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入一个double数据");
+ num4 = scan.nextDouble();
+ num1=(int)num4;
+ num2=(byte)num4;
+ num3=(float)num4;
+
+ double sum =num1 +num2 + num3;
+ System.out.println("强制转换后的总和是"+sum);
+
+
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/java.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/java.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4132a5748343686dfac2edf958344651f436b77d
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/java.java"
@@ -0,0 +1,28 @@
+package demo;
+
+import java.util.Scanner;
+
+public class java {public static void main(String[] args) {
+ int num1 ;
+ int num2 ;
+ int temp;
+
+
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("2");
+ num1 = scan.nextInt();
+
+
+ System.out.println("20");
+ num2 = scan.nextInt();
+
+ System.out.println("2 20");
+ System.out.println("num1="+ num2);
+ System.out.println("num2="+ num1);
+
+
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/\346\200\273\347\273\223/3.docx" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/\346\200\273\347\273\223/3.docx"
new file mode 100644
index 0000000000000000000000000000000000000000..16cacbdd25a0005acbff274bbc1272fa4c38b188
Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/\346\200\273\347\273\223/3.docx" differ
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/\346\225\260\346\215\256\347\261\273\345\236\213\347\232\204\345\274\272\345\210\266\350\275\254\346\215\242.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/\346\225\260\346\215\256\347\261\273\345\236\213\347\232\204\345\274\272\345\210\266\350\275\254\346\215\242.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6d4ba586cafc26a27c5ce6df68395b1dad1b6547
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/\346\225\260\346\215\256\347\261\273\345\236\213\347\232\204\345\274\272\345\210\266\350\275\254\346\215\242.java"
@@ -0,0 +1,34 @@
+package md.rj.lesson;
+
+import java.util.Scanner;
+
+public class 数据类型的强制转换 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ int num1;
+ float num2;
+ byte num3;
+ double num4;
+ double sum;
+ Scanner scanner=new Scanner(System.in);
+
+ System.out.println("请输入一个Double型数值");
+ num4 =scanner.nextDouble();
+
+ num1=(int) (num4);
+ System.out.println("转换为int型为"+num1);
+
+ num2=(float) (num4);
+ System.out.println("转换为float型为"+num2);
+
+ num3=(byte) (num4);
+ System.out.println("转换为byte型为"+num1);
+
+ sum = num1 + num2 +num3;
+ System.out.println("这三个数值和为" +sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/\346\225\260\346\215\256\347\261\273\345\236\213\347\232\204\350\207\252\345\212\250\346\217\220\345\215\207.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/\346\225\260\346\215\256\347\261\273\345\236\213\347\232\204\350\207\252\345\212\250\346\217\220\345\215\207.java"
new file mode 100644
index 0000000000000000000000000000000000000000..22f0c7f28a214ed92312eaaae4394a7590a09023
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/\346\225\260\346\215\256\347\261\273\345\236\213\347\232\204\350\207\252\345\212\250\346\217\220\345\215\207.java"
@@ -0,0 +1,32 @@
+package md.rj.lesson;
+
+import java.util.Scanner;
+
+public class 数据类型的自动提升 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ int num1 ;
+ float num2 ;
+ double num3;
+ double sum;
+
+ Scanner scanner=new Scanner(System.in);
+
+ System.out.println("请输入一个int数值");
+ num1 =scanner.nextInt();
+
+ System.out.println("请输入一个float数值");
+ num2 =scanner.nextFloat();
+
+ System.out.println("请输入一个Double数值");
+ num3 =scanner.nextDouble();
+
+ sum =num1 + num2 + num3;
+
+ System.out.println("这三个数值相加为" +sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/\344\275\234\344\270\232/xue3.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/\344\275\234\344\270\232/xue3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..695dfd36b0c3db898c96e9b4495e96ab78547a81
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/\344\275\234\344\270\232/xue3.java"
@@ -0,0 +1,21 @@
+package xue3;
+
+public class xue3 {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ System.out.println(Byte.MAX_VALUE);
+ System.out.println(Short.MAX_VALUE);
+ System.out.println(Integer.MAX_VALUE);
+ System.out.println(Long.MAX_VALUE);
+ System.out.println(Float.MAX_VALUE);
+ System.out.println(Double.MAX_VALUE);
+
+ System.out.println(Byte.MIN_VALUE);
+ System.out.println(Short.MIN_VALUE);
+ System.out.println(Integer.MIN_VALUE);
+ System.out.println(Long.MIN_VALUE);
+ System.out.println(Float.MIN_VALUE);
+ System.out.println(Double.MIN_VALUE);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/\344\275\234\344\270\232/xue4.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/\344\275\234\344\270\232/xue4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..df9b15c3016470adaa25595cc2f78f47dd11fd64
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/\344\275\234\344\270\232/xue4.java"
@@ -0,0 +1,30 @@
+package xue4;
+
+import java.util.Scanner;
+
+public class xue4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ int a;
+ int b;
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ a=scanner.nextInt();
+ System.out.println("请输入第二个数字");
+ b=scanner.nextInt();
+ System.out.println("第一个数字是"+a);
+ System.out.println("第二个数字是"+b);
+
+ int empt;
+ empt=a;
+ a=b;
+ b=empt;
+ System.out.println("互换后");
+ System.out.println("第一个数字是"+a);
+ System.out.println("第二个数字是"+b);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/\344\275\234\344\270\232/xue5.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/\344\275\234\344\270\232/xue5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ebfc43e5d242adf590119251c4708fa8e69a866b
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/\344\275\234\344\270\232/xue5.java"
@@ -0,0 +1,24 @@
+package xue5;
+
+import java.util.Scanner;
+
+public class xue5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a;
+ float b;
+ double c;
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入第一个数");
+ a=scan.nextInt();
+ System.out.println("请输入第二个数");
+ b=scan.nextFloat();
+ System.out.println("请输入第三个数");
+ c=scan.nextDouble();
+ double sum=a+b+c;
+ System.out.print("sum=");
+ System.out.println(sum);
+ }
+
+}
diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/\344\275\234\344\270\232/\346\200\273\347\273\223.txt" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/\344\275\234\344\270\232/\346\200\273\347\273\223.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..ab040ab9f96b28300525d1c84aea15ede5c8328b
--- /dev/null
+++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/\344\275\234\344\270\232/\346\200\273\347\273\223.txt"
@@ -0,0 +1,17 @@
+1B=8bit
+1KB=1024B
+1MB=1024KB
+1GB=1024MB
+1TB=1024GB
+
+数据类型 关键字 内存占用 取值范围
+整数类型 byte 1 -128~127
+ short 2 -32768~32767
+ int(默认） 4 -2的31次方到2的31次方-1
+ long 8 -2的31次方到2的64次方-1
+浮点类型 float 4 负数：-3.402823E+38到-1.41298E-45
+ 正数：1.401298E-45 到1.797693E+38
+ double(默认) 8 负数：-1.797693E+308到4.9000000E-324
+ 正数：4.9000000E-324到1.797693E+308
+字符类型 char 2 0-65535
+布尔类型 boolean 1 true，false
\ No newline at end of file
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/readme.txt" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/readme.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..8e1ff8a176b0f9213518017012e1d2c759109470
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/readme.txt"
@@ -0,0 +1 @@
+第九次作业
\ No newline at end of file
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/A.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/A.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6d050506bc3fd4f7f724363bc7febb132fdc4b14
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/A.java"
@@ -0,0 +1,52 @@
+import java.util.Scanner;
+
+import javax.swing.Spring;
+
+public class A {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入计算方法");
+ char a=scanner.next().charAt(0);
+ System.out.println("请输入第一个数");
+ int b=scanner.nextInt();
+ System.out.println("请输入第二个数");
+ int c=scanner.nextInt();
+ switch (a) {
+ case '+':
+ System.out.println("两数之和是"+jia(b,c));
+ break;
+ case '-':
+ System.out.println("两数之差是"+jian(b,c));
+ break;
+ case '*':
+ System.out.println("两数之积是"+cheng(b,c));
+ break;
+ case '/':
+ System.out.println("两数之商是"+chu(b,c));
+ break;
+ case '%':
+ System.out.println("两数之余是"+yu(b,c));
+ break;
+ default:
+ System.out.println("输入错误");
+ break;
+ }
+
+ }
+ public static int jia(int b,int c) {
+ return b+c;
+ }
+ public static int jian(int b,int c) {
+ return b-c;
+ }
+ public static int cheng(int b,int c) {
+ return b*c;
+ }
+ public static int chu(int b,int c) {
+ return b/c;
+ }
+ public static int yu(int b,int c) {
+ return b%c;
+ }
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/B.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/B.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d82111499ae1330b6f77d1323ab97bef3ab61525
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/B.java"
@@ -0,0 +1,18 @@
+
+public class B {
+
+ public static void main(String[] args) {
+ int [] a= {66,77,88,99,22,33};
+ aa(a);
+ System.out.println("最大值是"+aa(a));
+ }
+ public static int aa(int[] a) {
+ int max=a[0];
+ for (int i = 1; i < a.length; i++) {
+ if (a[i]>=max) {
+ max=a[i];
+ }
+ }
+ return max;
+ }
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/C.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/C.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f196d706e0b575268063ea43ebc5fb9d4897916f
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/C.java"
@@ -0,0 +1,18 @@
+import java.util.Scanner;
+
+public class C {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ int a;
+ System.out.println("请输入高");
+ a=scanner.nextInt();
+ for (int i = 1; i <= a; i++) {
+ for (int j = 1; j <= 2*i-1; j++) {
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/D.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/D.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5c3c96f958def530c0694df9a59324797f7e0770
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/D.java"
@@ -0,0 +1,18 @@
+import java.util.Scanner;
+
+public class D {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ int a;
+ System.out.println("请输入高");
+ a=scanner.nextInt();
+ for (int i = 1; i <= a; i++) {
+ for (int j = 1; j <= 2*(a-i)+1; j++) {
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/E.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/E.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7d9cab0c3bbacda80f9ff1eb739d217008e0a557
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/E.java"
@@ -0,0 +1,22 @@
+import java.util.Scanner;
+
+public class E {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入阶乘数");
+ int a=scanner.nextInt();
+ int b=0;
+ int c=1;
+ int d=0;
+ for (int i = 1; i <= a; i++) {
+ for (int j = 1; j <= i; j++) {
+ b=j;
+ }
+ c=b*c;
+ d=d+c;
+ }
+ System.out.println(d);
+ }
+
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/F.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/F.java"
new file mode 100644
index 0000000000000000000000000000000000000000..92733b2f66e487abea4621e15ddc29d19bfae1a6
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/F.java"
@@ -0,0 +1,57 @@
+import java.util.Scanner;
+
+public class F {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入计算图形");
+ System.out.println("1.正方形");
+ System.out.println("2.长方形");
+ System.out.println("3.三角形");
+ System.out.println("4.圆形");
+ int a = scanner.nextInt();
+
+ switch (a) {
+ case 1:
+ System.out.println("请输入正方形边长");
+ int b= scanner.nextInt();
+ System.out.println("正方形面积是"+zheng(b));
+ break;
+ case 2:
+ System.out.println("请输入长方形的长");
+ int c= scanner.nextInt();
+ System.out.println("请输入长方形的宽");
+ int d= scanner.nextInt();
+ System.out.println("长方形面积是"+chang(c,d));
+ break;
+ case 3:
+ System.out.println("请输入三角形的高");
+ int e= scanner.nextInt();
+ System.out.println("请输入三角形的底边长");
+ int f= scanner.nextInt();
+ System.out.println("三角形面积是"+san(e,f));
+ break;
+ case 4:
+ System.out.println("请输入圆形的半径");
+ double g= scanner.nextDouble();
+ System.out.println("圆形的面积是"+yuan(g));
+ break;
+
+ default:
+ break;
+ }
+
+ }
+ public static int zheng(int b) {
+ return b*b;
+ }
+ public static int chang(int c,int d) {
+ return c*d;
+ }
+ public static int san(int e,int f) {
+ return e*f/2;
+ }
+ public static double yuan(double g) {
+ return 3.14*g*g;
+ }
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/A.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/A.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6d050506bc3fd4f7f724363bc7febb132fdc4b14
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/A.java"
@@ -0,0 +1,52 @@
+import java.util.Scanner;
+
+import javax.swing.Spring;
+
+public class A {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入计算方法");
+ char a=scanner.next().charAt(0);
+ System.out.println("请输入第一个数");
+ int b=scanner.nextInt();
+ System.out.println("请输入第二个数");
+ int c=scanner.nextInt();
+ switch (a) {
+ case '+':
+ System.out.println("两数之和是"+jia(b,c));
+ break;
+ case '-':
+ System.out.println("两数之差是"+jian(b,c));
+ break;
+ case '*':
+ System.out.println("两数之积是"+cheng(b,c));
+ break;
+ case '/':
+ System.out.println("两数之商是"+chu(b,c));
+ break;
+ case '%':
+ System.out.println("两数之余是"+yu(b,c));
+ break;
+ default:
+ System.out.println("输入错误");
+ break;
+ }
+
+ }
+ public static int jia(int b,int c) {
+ return b+c;
+ }
+ public static int jian(int b,int c) {
+ return b-c;
+ }
+ public static int cheng(int b,int c) {
+ return b*c;
+ }
+ public static int chu(int b,int c) {
+ return b/c;
+ }
+ public static int yu(int b,int c) {
+ return b%c;
+ }
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/B.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/B.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d82111499ae1330b6f77d1323ab97bef3ab61525
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/B.java"
@@ -0,0 +1,18 @@
+
+public class B {
+
+ public static void main(String[] args) {
+ int [] a= {66,77,88,99,22,33};
+ aa(a);
+ System.out.println("最大值是"+aa(a));
+ }
+ public static int aa(int[] a) {
+ int max=a[0];
+ for (int i = 1; i < a.length; i++) {
+ if (a[i]>=max) {
+ max=a[i];
+ }
+ }
+ return max;
+ }
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/C.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/C.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f196d706e0b575268063ea43ebc5fb9d4897916f
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/C.java"
@@ -0,0 +1,18 @@
+import java.util.Scanner;
+
+public class C {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ int a;
+ System.out.println("请输入高");
+ a=scanner.nextInt();
+ for (int i = 1; i <= a; i++) {
+ for (int j = 1; j <= 2*i-1; j++) {
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/D.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/D.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5c3c96f958def530c0694df9a59324797f7e0770
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/D.java"
@@ -0,0 +1,18 @@
+import java.util.Scanner;
+
+public class D {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ int a;
+ System.out.println("请输入高");
+ a=scanner.nextInt();
+ for (int i = 1; i <= a; i++) {
+ for (int j = 1; j <= 2*(a-i)+1; j++) {
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/E.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/E.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7d9cab0c3bbacda80f9ff1eb739d217008e0a557
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/E.java"
@@ -0,0 +1,22 @@
+import java.util.Scanner;
+
+public class E {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入阶乘数");
+ int a=scanner.nextInt();
+ int b=0;
+ int c=1;
+ int d=0;
+ for (int i = 1; i <= a; i++) {
+ for (int j = 1; j <= i; j++) {
+ b=j;
+ }
+ c=b*c;
+ d=d+c;
+ }
+ System.out.println(d);
+ }
+
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/F.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/F.java"
new file mode 100644
index 0000000000000000000000000000000000000000..92733b2f66e487abea4621e15ddc29d19bfae1a6
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/F.java"
@@ -0,0 +1,57 @@
+import java.util.Scanner;
+
+public class F {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入计算图形");
+ System.out.println("1.正方形");
+ System.out.println("2.长方形");
+ System.out.println("3.三角形");
+ System.out.println("4.圆形");
+ int a = scanner.nextInt();
+
+ switch (a) {
+ case 1:
+ System.out.println("请输入正方形边长");
+ int b= scanner.nextInt();
+ System.out.println("正方形面积是"+zheng(b));
+ break;
+ case 2:
+ System.out.println("请输入长方形的长");
+ int c= scanner.nextInt();
+ System.out.println("请输入长方形的宽");
+ int d= scanner.nextInt();
+ System.out.println("长方形面积是"+chang(c,d));
+ break;
+ case 3:
+ System.out.println("请输入三角形的高");
+ int e= scanner.nextInt();
+ System.out.println("请输入三角形的底边长");
+ int f= scanner.nextInt();
+ System.out.println("三角形面积是"+san(e,f));
+ break;
+ case 4:
+ System.out.println("请输入圆形的半径");
+ double g= scanner.nextDouble();
+ System.out.println("圆形的面积是"+yuan(g));
+ break;
+
+ default:
+ break;
+ }
+
+ }
+ public static int zheng(int b) {
+ return b*b;
+ }
+ public static int chang(int c,int d) {
+ return c*d;
+ }
+ public static int san(int e,int f) {
+ return e*f/2;
+ }
+ public static double yuan(double g) {
+ return 3.14*g*g;
+ }
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Daosanjiaoxin.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Daosanjiaoxin.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a723b23a809f2a82835378ef4307511d602ffe9d
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Daosanjiaoxin.java"
@@ -0,0 +1,25 @@
+package ht;
+
+import java.util.Scanner;
+
+public class Daosanjiaoxin {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入三角形的高：");
+ int height=scanner.nextInt();
+ for (int i = 0; i < height; i++) {
+ for (int j = 0; j < height; j++) {
+ if (i<=j) {
+ System.out.print("*");
+
+ }
+
+
+ }
+ System.out.println( );
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Jiechen.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Jiechen.java"
new file mode 100644
index 0000000000000000000000000000000000000000..900f72c9e8d5a62b9bf240ae8717dc72284d121e
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Jiechen.java"
@@ -0,0 +1,24 @@
+package ht;
+
+import java.util.Scanner;
+
+public class Jiechen {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ int sum=0;
+ int num=1;
+ System.out.println("请输入需要求阶乘的数字：");
+ int n=scanner.nextInt();
+ for (int i = 1; i <= n; i++) {
+
+ num=num*i;
+ sum=num+sum;
+
+
+ }
+ System.out.println("结果为"+sum);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Jsq.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Jsq.java"
new file mode 100644
index 0000000000000000000000000000000000000000..edd10d53da6cdc9e8570e5bcbf4811ba6b3e97f0
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Jsq.java"
@@ -0,0 +1,64 @@
+package Demo;
+
+import java.util.Scanner;
+
+public class Jsq {
+
+ public static void main(String[] args) {
+ Scanner sc=new Scanner(System.in);
+
+
+ while (true) {
+
+
+
+ System.out.println("请输入第一位数字：");
+ double num1=sc.nextDouble();
+ System.out.println("请输入第二位数字：");
+ double num2=sc.nextDouble();
+
+ System.out.println("请输入运算符：");
+ char a=sc.next().charAt(0);
+
+ switch (a) {
+ case '+':
+ System.out.println("结果是："+add(num1,num2));
+ break;
+ case'-':
+ System.out.println("结果是："+sub(num1,num2));
+ break;
+ case'*':
+ System.out.println("结果是："+chen(num1,num2));
+ break;
+ case'/':
+ System.out.println("结果是："+chu(num1,num2));
+ break;
+ default:
+ break;
+ }
+
+}
+ }
+
+ private static double chen(double num1, double num2) {
+ // TODO Auto-generated method stub
+ return num1*num2;
+ }
+
+ private static double chu(double num1, double num2) {
+
+ return num1/num2;
+ }
+
+ public static double sub(double num1, double num2) {
+
+ return num1-num2;
+ }
+
+ public static double add(double num1, double num2) {
+
+ return num1+num2;
+ }
+
+
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Mianji.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Mianji.java"
new file mode 100644
index 0000000000000000000000000000000000000000..def630ad17e7f609ef07ef39da25981fc0ab4b85
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Mianji.java"
@@ -0,0 +1,70 @@
+package ht;
+
+import java.util.Scanner;
+
+public class Mianji {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入你想计算的形状");
+ String xz=scanner.next();
+
+
+ switch (xz) {
+
+ case "长方形":
+ System.out.println("请输入 长方形的长");
+ int chang=scanner.nextInt();
+ System.out.println("请输入 长方形的宽");
+ int kuan=scanner.nextInt();
+ System.out.println("长方形的面积为"+cfx(chang,kuan));
+ break;
+
+ case "正方形":
+ System.out.println("请输入正方形的宽：");
+ int width=scanner.nextInt();
+ System.out.println("正方形的面积为"+zfx(width));
+ break;
+ case "三角形":
+ System.out.println("请输入三角形的第一条边：");
+ int a1=scanner.nextInt();
+ System.out.println("请输入三角形的第二条边：");
+ int a2=scanner.nextInt();
+ System.out.println("请输入三角形的第三条边：");
+ int a3=scanner.nextInt();
+ System.out.println("正方形的面积为"+sjx(a1,a2,a3));
+ break;
+ case "圆形":
+ System.out.println("请输入圆形的半径：");
+ double r=scanner.nextDouble();
+ double Π=3.14;
+ System.out.println("圆形的半径为"+yx(r,Π));
+ break;
+
+ default:
+ break;
+
+
+ }
+ }
+
+ public static double yx(double r,double Π) {
+ // TODO Auto-generated method stub
+ return (r*r)*Π;
+ }
+
+ public static int sjx(int a1, int a2,int a3) {
+
+ return (a1+a2+a3)/2;
+ }
+
+ public static int zfx(int width) {
+
+ return width*width;
+ }
+
+ public static int cfx(int chang, int kuan) {
+ return chang*kuan;
+ }
+
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zhensanjiaoxin.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zhensanjiaoxin.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cfaa9c1bfd7f54d4183c0fa18f4927c02e600daa
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zhensanjiaoxin.java"
@@ -0,0 +1,24 @@
+package ht;
+
+import java.util.Scanner;
+
+public class Zhensanjiaoxin {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入三角形的高：");
+ int height=scanner.nextInt();
+ for (int i = 0; i < height; i++) {
+ for (int j = 0; j < height; j++) {
+ if(i>=j) {
+
+
+ System.out.print("*");
+ }
+ }
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zsz.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zsz.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b69ab5891f626ffff3593bc53918906fc6c8107d
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zsz.java"
@@ -0,0 +1,26 @@
+
+package Ca;
+
+public class Zsz {
+
+ public static void main(String[] args) {
+ int[]ok= {10,15,49,3,38};
+ p(ok);
+ System.out.println("最大值为"+p(ok));
+
+
+ }
+
+ private static int p(int[] ok) {
+ int max=ok[0];
+ for (int i = 0; i <=4; i++) {
+ if(max<=ok[i]){
+ max=ok[i];
+
+ }
+
+ }
+ return max;
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo3.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..84db9d6cbf8ec81b6fee7edd0d152be27cc9d464
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo3.java"
@@ -0,0 +1,31 @@
+package Lession4;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ int num1;
+ int num2;
+ int num3;
+
+ // TODO Auto-generated method stub
+ System.out.println("请输入用户名");
+
+ num1 = scanner.nextInt();
+ System.out.println("请输入密码");
+ num2 = scanner.nextInt();
+ System.out.println("请确认你的密码");
+ num3 = scanner.nextInt();
+
+ if (num2==num3) {
+ System.out.println("恭喜了你注册成功");
+
+ }
+ if (num2!=num3) {
+ System.out.println("注册失败，请再次输入密码");
+ }
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo4.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0cdab4de7a60d582d2536cb09f31ccaa53aa5956
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo4.java"
@@ -0,0 +1,27 @@
+package Lession4;
+
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ int num1;
+ int num2;
+
+
+ System.out.println("请输入年份");
+ num1 = scanner.nextInt();
+ if (num1%4==0& num1%400 ==0&& num1%100==0) {
+ System.out.println("是闰年");
+
+ }else {
+ System.out.println("不是闰年");
+
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome4.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0981e1d943c457581c3321eb2419ca8684041a70
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome4.java"
@@ -0,0 +1,24 @@
+package com.lession4;
+
+import java.util.Scanner;
+
+public class Dome4 {
+public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("注册页面>>>>>>>>>>>>>>>>>>>");
+ System.out.println("请输入用户名");
+ int a = scan. nextInt();
+
+ System.out.println("请输入密码");
+ int b = scan.nextInt();
+
+ System.out.println("请再次输入密码");
+ int c =scan.nextInt();
+
+ if (true)
+ System.out.println("恭喜你，注册成功");
+ else
+ System.out.println("对不起您两次输入的密码不一致，请重新输入");
+ System.out.println("程序结束");
+}
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome5.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4fb4e4eb7a6ca624649615b21560fc07f1c7e034
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome5.java"
@@ -0,0 +1,24 @@
+package com.lession4;
+
+import java.util.Scanner;
+
+public class Dome5 {
+
+ public static void main(String[] args) {
+ // 判断是否
+ Scanner scan = new Scanner(System.in);
+ int a=scan.nextInt();
+ if(a>=1000 && a<10000)
+ System.out.println(a);
+ else
+ System.out.println("你输入的年份有误，请重新输入");
+ System.out.println(a);
+ if((a%4 !=0) || (a%400 !=0 && a%100 !=0))
+ System.out.println("是闰年");
+ else
+ System.out.println("不是闰年");
+ System.out.println("程序结束");
+
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo2.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..038ed380531451017e8334eeef5c56abf97b3933
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo2.java"
@@ -0,0 +1,18 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a ;
+ String b;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个数：");
+ a=scan.nextInt();
+ b=(a%2!=0)?"a是奇数":"a是偶数";
+ System.out.println(b);
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo3.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5ab6bc8cf7676c540c8c41b97d4aadaa924ff33c
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo3.java"
@@ -0,0 +1,15 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a = 150 , b= 210,c= 165;
+ Scanner scan = new Scanner(System.in);
+ int f= a>b?(a>c?a:c):(b>c?b:c);
+ System.out.println("三个和尚身高最高的为：" + f);
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo4.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ac65848f8016a1023322c610f28cf45110059ca8
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo4.java"
@@ -0,0 +1,26 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int b,c;
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请用户输入用户名：");
+ String a = scanner.next();
+ System.out.println("请用户输入密码：");
+ b = scanner.nextInt();
+ System.out.println("请用户输入第二次密码");
+ c = scanner.nextInt();
+ if (b==c) {
+ System.out.println("恭喜您，注册成功");
+ }else {
+ System.out.println("对不起您的密码输入错误请重新输入");
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo5.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d41f567f3e24a7a76889a6df2bd5034b78d2a94b
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo5.java"
@@ -0,0 +1,21 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a ,b;
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请用户输入四位数：");
+ a= scanner.nextInt();
+ if (a%4==0 || a%400==0 && a%100==0) {
+ System.out.println("这年为润年");
+
+ }else {
+ System.out.println("这年为平年");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Xzr1.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Xzr1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d72ff1f0dcd25e6c04a60f5021c9643ebef8d621
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Xzr1.java"
@@ -0,0 +1,20 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Xzr1 {
+
+ public static void main(String[] args) {
+ int a,b;
+ int c;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入第一个数：");
+ a = scan.nextInt();
+ System.out.println("请输入第二个数：");
+ b = scan.nextInt();
+ c = an2?n1:n2;
+ int d=c>n3?c:n3;
+ System.out.println(d);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/\350\215\211\347\250\277/panduandaxiao1.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/\350\215\211\347\250\277/panduandaxiao1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9331637d3342b32118b24f8a0ce400b7146399d2
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/\350\215\211\347\250\277/panduandaxiao1.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class L01 {
+
+ public static void main(String[] args) {
+ int N1;
+ int N2;
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请用户输入一个数");
+ N1=scan.nextInt();
+ System.out.println("请用户输入一个数");
+ N2=scan.nextInt();
+
+ int N3=N10&&number/1000<10) {
+ int a=number/4;
+ int b=number/400;
+ if(number%4==0||number%400==0 && number%100==0) {
+ System.out.println("是闰年");
+ }else {
+ System.out.println("不是闰年");
+ }
+
+ }else {
+ System.out.println("不是正确年份");
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Runnian.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Runnian.java"
new file mode 100644
index 0000000000000000000000000000000000000000..00e081f7e67800f3076e9591f9e695173cd9365b
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Runnian.java"
@@ -0,0 +1,27 @@
+import java.util.Scanner;
+
+public class Runnian {
+ public static void main(String[] args) {
+ // 查询年份是否为闰年
+ Scanner scan = new Scanner(System.in);
+
+ int a ;
+ int b ;
+
+ System.out.print("请输入你要查询的年份：");
+ a = scan.nextInt();
+ b = a % 4 ;
+
+ if (a > 999 && a < 10000) {
+ if (b == 0) {
+ System.out.print("该年为闰年。");
+ }else {
+ System.out.print("该年为平年。");
+ }
+ }else {
+ System.out.print("请输入正确年份。");
+ }
+
+
+}
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Zhuce.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Zhuce.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0b4cdcc7f08b666c7aa249977f3cfe6840076409
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Zhuce.java"
@@ -0,0 +1,27 @@
+import java.util.Scanner;
+
+public class Zhuce {
+ public static void main(String[] args) {
+ // 注册页面
+ Scanner scan = new Scanner(System.in);
+
+ int username ;
+ int password ;
+ int passwordagain ;
+
+ System.out.print("请输入你的用户名：");
+ username = scan.nextInt();
+
+ System.out.print("请输入你的密码：");
+ password = scan.nextInt();
+
+ System.out.print("请再次输入你的密码：");
+ passwordagain = scan.nextInt();
+
+ if (password == passwordagain) {
+ System.out.print("恭喜你，注册成功。");
+ }else {
+ System.out.print("对不起，您两次输入的密码不一致，请重新输入");
+ }
+ }
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Jox.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Jox.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ec1e633e4534697e52eea88cd5ceac5c82651d44
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Jox.java"
@@ -0,0 +1,19 @@
+package commen1;
+
+import java.util.Scanner;
+
+public class Jox {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a;
+
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入数值：");
+ a=scan.nextInt();
+ int b = a % 2 != 0 ? "这个数是奇数" : "这个是是偶数";
+
+ System.out.println("这个数是"+b);
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Ln.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Ln.java"
new file mode 100644
index 0000000000000000000000000000000000000000..50e4ece92aef3c2ffecd9cef42ffa68a03ac2fc3
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Ln.java"
@@ -0,0 +1,19 @@
+package commen1;
+
+import java.util.Scanner;
+
+public class Ln {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入年份：");
+ int a=scan.nextInt();
+ if ((a%4==0) || (a%400==0) && (a%100==0)) {
+ System.out.println("此年份是润年");
+ }else {
+ System.out.println("此年份不是润年");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Sghs.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Sghs.java"
new file mode 100644
index 0000000000000000000000000000000000000000..68b7db567025172626e9b631a5c25b355dc8c58c
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Sghs.java"
@@ -0,0 +1,18 @@
+package commen1;
+
+import java.util.Scanner;
+
+public class Sghs {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a=150;
+ int b=210;
+ int c=165;
+ Scanner scan=new Scanner(System.in);
+ int d=a>b ?a:b;
+ int e=d>c ?d:c;
+ System.out.println("身高最高的是："+e +"cm");
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Yhdl.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Yhdl.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8b681199a196420c690d770ad8c81e3462d3a368
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Yhdl.java"
@@ -0,0 +1,26 @@
+package commen1;
+
+import java.util.Scanner;
+
+public class Yhdl {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入用户名：");
+ int a=scan.nextInt();
+ System.out.println("请输入密码：");
+ int b=scan.nextInt();
+
+ System.out.println("请再次输入密码：");
+ int c=scan.nextInt();
+ if (b==c){
+ System.out.println("恭喜您，注册成功");
+ }
+ if (b!=c){
+ System.out.println("对不起，您两次输入的密码不一致，请重新输入");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Zxz.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Zxz.java"
new file mode 100644
index 0000000000000000000000000000000000000000..81f17611271680aa63ff19c5daed65b739b27eda
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Zxz.java"
@@ -0,0 +1,20 @@
+package commen1;
+
+import java.util.Scanner;
+
+public class Zxz {
+
+ public static void main(String[] args) {
+ int a;
+ int b;
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入第一位数");
+ a=scan.nextInt();
+ System.out.println("请输入第二位数");
+ b=scan.nextInt();
+ int c=a999&&a<10000) {
+ if (a%4==0 && a%400==0 && a%100==0 ) {
+ System.out.println("是闰年");
+ }else {
+ System.out.println("不是闰年");
+ }
+ }else {
+ System.out.println("不是四位数，请重新输入");
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\230\257\345\220\246\351\227\260\345\271\264.txt" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\230\257\345\220\246\351\227\260\345\271\264.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..dadda72ee185f112f09c2df47d574265822492f3
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\230\257\345\220\246\351\227\260\345\271\264.txt"
@@ -0,0 +1,3 @@
+判断用户输入的年份是不是闰年，接受用户输入的年份后，首先要判断数字是不是正确的年份，年份是四位数，闰年的条件是符合下面二者之一：
+能被4整除；
+能被400整除，同时又能被100整除。
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\250\241\346\213\237\346\263\250\345\206\214.txt" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\250\241\346\213\237\346\263\250\345\206\214.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..b8e965c18b3d352eeab159735d8849370af4182c
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\250\241\346\213\237\346\263\250\345\206\214.txt"
@@ -0,0 +1 @@
+模拟用户注册。请用户输入用户名，并输入两次密码（密码可以输入字母或汉字），如果两次输入密码相同，则显示“恭喜您，注册成功”，否则显示“对不起，您两次输入的密码不一致，请重新输入”。
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2375/\345\244\247\345\260\217\345\210\244\346\226\255.txt" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2375/\345\244\247\345\260\217\345\210\244\346\226\255.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..1544e67ca08ad44745dd7902efab071e546fd5d4
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2375/\345\244\247\345\260\217\345\210\244\346\226\255.txt"
@@ -0,0 +1,23 @@
+package cm.md.com;
+
+import java.util.Scanner;
+
+public class Demo {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ int a;
+ int b;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("直");
+ a = scan.nextInt();
+ b = scan.nextInt();
+
+ int c = a > b ? a : b;
+
+ System.out.println(c);
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2375/\345\245\207\345\201\266\345\210\244\346\226\255.txt" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2375/\345\245\207\345\201\266\345\210\244\346\226\255.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..55d9bd5d1a145777ccc8184922620cd936125e18
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2375/\345\245\207\345\201\266\345\210\244\346\226\255.txt"
@@ -0,0 +1,24 @@
+package cm.md.com;
+
+import java.util.Scanner;
+
+public class Demo {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ int a;
+ String b;
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("璇疯緭鍏ヤ竴涓暟锛");
+ a = scan.nextInt();
+
+ b = a % 2 == 0 ? a+"鏄伓鏁" : a+"鏄鏁";
+
+ System.out.println(b);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2375/\346\230\257\345\220\246\346\230\257\351\227\260\345\271\264.txt" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2375/\346\230\257\345\220\246\346\230\257\351\227\260\345\271\264.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..6419a1305f46e55a260084ef53c583326e2ff7bd
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2375/\346\230\257\345\220\246\346\230\257\351\227\260\345\271\264.txt"
@@ -0,0 +1,26 @@
+package cm.md.lession;
+
+import java.util.Scanner;
+
+public class Demo {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("杈撳叆涓涓勾浠");
+
+ int ww = scan.nextInt();
+ if(ww > 999 | ww < 10000) {System.out.println("鏄勾浠");}
+ else{System.out.println("閲嶆柊杈撳叆骞翠唤");}
+
+
+ if ( ww % 4==0 && ww % 100==0 && ww % 400 ==0) {
+ System.out.println(ww+"鏄棸骞");
+ }
+ else {
+ System.out.println(ww+"涓嶆槸闂板勾");
+ }
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2375/\346\234\200\351\253\230\345\222\214\345\260\232.txt" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2375/\346\234\200\351\253\230\345\222\214\345\260\232.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..ba73786e0ce9fc851400f2a08df7c1e9e3bf58c9
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2375/\346\234\200\351\253\230\345\222\214\345\260\232.txt"
@@ -0,0 +1,20 @@
+package cm.md.com;
+
+import java.util.Scanner;
+
+public class Demo {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ int a = 150 ;
+ int b = 210 ;
+ int c = 165 ;
+ int d = a > b ? a : b;
+ int e = d > c ? d : c;
+
+ System.out.println(e);
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2375/\346\263\250\345\206\214.txt" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2375/\346\263\250\345\206\214.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..69d58e6a01991f0959cc413fe5f1bb0f67e1ca85
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2375/\346\263\250\345\206\214.txt"
@@ -0,0 +1,25 @@
+package cm.md.lession;
+
+import java.util.Scanner;
+
+public class Demo {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("娉ㄥ唽椤甸潰");
+ System.out.println("璇疯緭鍏ョ敤鎴峰悕");
+ String Y1 = scan.next();
+ System.out.println("璇疯緭鍏ュ瘑鐮");
+ int m = scan.nextInt();
+ System.out.println("璇峰啀娆¤緭鍏ュ瘑鐮");
+ int m1 = scan.nextInt();
+ if (m == m1) {
+ System.out.println("鎭枩浣狅紝娉ㄥ唽鎴愬姛");
+ }
+ else {
+ System.out.println("瀵逛笉璧凤紝鎮ㄤ袱娆¤緭鍏ョ殑瀵嗙爜涓嶄竴鑷达紝璇烽噸鏂拌緭鍏");
+ }
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo1.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d4fe030fe21b960278f78f7fed49b797431a9a37
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo1.java"
@@ -0,0 +1,25 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ // a : b;
+
+ int a;
+ int b;
+
+ Scanner scan = new Scanner (System.in);
+ System.out.println("请输入第一个数");
+ a = scan.nextInt();
+
+ System.out.println("请输入第二个数");
+ b = scan.nextInt();
+
+ int c = a < b ? a : b;
+ System.out.print(c);
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo2.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..dc0abdd1c2ca406624d7f132eb0522e875f7824f
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo2.java"
@@ -0,0 +1,19 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a;
+
+ Scanner scan=new Scanner(System.in);
+ System.out.print("请输入数字");
+ a=scan.nextInt();
+
+ String b = (a % 2 <= 0) ? "偶数" : "奇数" ;
+ System.out.println(b);
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo3.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..924d3ed33e8dddf37ecfb6b71487f5c842b66603
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo3.java"
@@ -0,0 +1,20 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan=new Scanner(System.in);
+ int a=150;
+ int b=210;
+ int c=165;
+ int chaob;
+
+ int d=a>b?a:b;
+ chaob=d>c?d:c;
+ System.out.println("最高的和尚身高是："+d);
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo4.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d591c6533e31c2d124599dc09d1e3572b4d3463d
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo4.java"
@@ -0,0 +1,25 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入密码：");
+ double a = scan.nextDouble();
+
+ System.out.println("请再次输入密码：");
+ double b = scan.nextDouble();
+
+ if (a == b) {
+ System.out.println("恭喜你，注册成功！");
+ }
+ else{
+ System.out.println("登陆错误");
+ }
+ {System.out.println("程序结束！");}
+}
+ }
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo5.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..edb1e41c8d0881db05a57e088b1fc9e3c46807c3
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo5.java"
@@ -0,0 +1,25 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+int a;
+
+ Scanner scan=new Scanner(System.in);
+ System.out.print("请输入四位数年份");
+ a=scan.nextInt();
+
+ if (a % 4 == 0 || a % 400 ==0 && 100 == 0){
+ System.out.println("闰年");
+ }
+ else {
+ System.out.println("平年");
+ }
+ }
+ {
+ System.out.println("程序结束！");
+ }
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Monizhuce.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Monizhuce.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b297aab8965df7cd0daba23a5e6207f5cb5132ba
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Monizhuce.java"
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+public class Monizhuce {
+ public static void main(String[]args) {
+ Scanner scanner=new Scanner(System.in);
+
+ String passerword;
+ String succsed;
+ System.out.println("注册界面");
+ System.out.println("请输入用户名");
+ String userName =scanner.next();
+ System.out.println("请输入密码");
+ int pass1 =scanner.nextInt();
+ System.out.println("请再次输入密码");
+ int pass2 =scanner.nextInt();
+ if (pass1==pass2) {
+ System.out.println("恭喜你注册成功");
+ }else {
+ System.out.println("对不起两次密码输入不一样");
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Nianfen.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Nianfen.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7cfe8ca55adc1c7debba124d8863e84b409175d5
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Nianfen.java"
@@ -0,0 +1,28 @@
+import java.util.Scanner;
+
+public class Nianfen {
+ public static void main(String[]args) {
+ Scanner scanner=new Scanner(System.in);
+int num1;
+
+ System.out.println("请输入年份");
+ num1 = scanner.nextInt();
+
+ if(num1>= 1000){
+
+ System.out.println("是正确年份");
+ if(num1%4==0&&num1%400==0) {
+ System.out.println("是闰年");}
+ else {
+ System.out.println("不是闰年");
+ num1 = scanner.nextInt();
+
+ }
+ }
+
+ else {
+ System.out.println("不正确");
+ num1 = scanner.nextInt();
+ }
+ }
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo1.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c7db8790422d9f717ce102f9c87ab9c1369753e0
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo1.java"
@@ -0,0 +1,26 @@
+package com.md.lesson4;
+
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ int a;
+ int b;
+
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入第一个数字:");
+ a = scanner.nextInt();
+
+ System.out.println("请输入第二个数字:");
+ b = scanner.nextInt();
+
+ int c = a < b ? a : b;
+
+
+ System.out.println("判断出最小的数字为:" +c);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo2.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..51e4f089f7b62daeb8dd71f12a526a253336b3ec
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo2.java"
@@ -0,0 +1,28 @@
+package com.md.lesson4;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ int num1;
+
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入任意一个数：");
+ num1 = scanner.nextInt();
+
+ String num2 = num1 % 2 != 0 ? "奇数" : "偶数" ;
+
+
+ System.out.println("该数为" +num2);
+
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo3.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..445f34efb948329f30b51398ff4d74db781747a2
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo3.java"
@@ -0,0 +1,37 @@
+package com.md.lesson4;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ int num1;
+ int num2;
+ int num3;
+
+ Scanner scanner = new Scanner(System.in);
+
+
+ System.out.println("请输入第一个和尚的身高：");
+ num1 = scanner.nextInt();
+
+ System.out.println("请输入第二个和尚的身高:");
+ num2 = scanner.nextInt();
+
+ System.out.println("请输入第三个和尚的身高:");
+ num3 = scanner.nextInt();
+
+ int num4 = num1 > num2 ? num1 : num2;
+
+ int num5 = num4 > num3 ? num4 : num3;
+
+
+
+
+ System.out.println("三个和尚的身高最高的为：" +num5);
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo4.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0ce1615e000a369ff2caf8b05988a00f241873ff
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo4.java"
@@ -0,0 +1,31 @@
+package com.md.lesson4;
+
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner (System.in);
+
+ System.out.println("请输入您的账号：");
+ int d1 = scanner.nextInt();
+
+ System.out.println("请输入您的密码：");
+ int d2 = scanner.nextInt();
+
+ System.out.println("请再次确认您的密码：");
+ int d3 = scanner.nextInt();
+
+ if (d2 == d3) {
+ System.out.println("恭喜你，账号注册成功");
+
+ }
+ if (d2 != d3) {
+ System.out.println("对不起，您输入的密码不一致，请再次输入密码。");
+ }
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo5.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..320c3946fdbdda788b518343f198591f762b099f
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo5.java"
@@ -0,0 +1,23 @@
+package com.md.lesson4;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner (System.in);
+
+ System.out.println("请任意输入一个年份：");
+ int year = scanner.nextInt();
+
+ if (year > 999 && year % 4 ==0 ) {
+ System.out.println("该年确定为闰年。");
+ }else {
+ System.out.println("年份不是闰年，请重新输入年份.");
+ }
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom04.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5429ff2f71ecde401857eee1335b7a723aff4f6e
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom04.java"
@@ -0,0 +1,23 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Deom04 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入用户名");
+ double d = scan.nextDouble();
+ System.out.println("请输入密码");
+ double d1 = scan.nextDouble();
+ System.out.println("请再次输入密码");
+ double d2 = scan.nextDouble();
+ if (d1 == d2){
+ System.out.println("恭喜你，注册成功");
+ }
+ else {
+ System.out.println("对不起，您两次输入的密码不一致，请重新输入");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom05.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..668c7df132eeaf6306269634fdb74aa150452fcd
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom05.java"
@@ -0,0 +1,21 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Deom05 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个年份");
+ int a = scan.nextInt();
+ if(a<1000 ){
+ System.out.println("不是正确的年份");
+ }
+ if(a%4==0) {
+ System.out.println("是闰年");
+ }
+ else {
+ System.out.println("不是闰年");
+ }
+ }
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo04.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..edd32ba6041da02b9e0062b6257d5734c66f10d7
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo04.java"
@@ -0,0 +1,24 @@
+package fang;
+
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ System.out.println("请输入你的密码");
+ Scanner scan = new Scanner(System.in);
+ double a = scan.nextDouble();
+ double b = scan.nextDouble();
+ if (a == b) {
+ System.out.println("注册成功");
+
+ }
+ if (a != b) {
+ System.out.println("请重新输入");
+
+ }
+
+ }
+
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo05.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c1252623710970d1af7fe1dd460ccee7e82024d8
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo05.java"
@@ -0,0 +1,23 @@
+package fang;
+
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ Scanner scan =new Scanner(System.in);
+ int a=scan.nextInt();
+ if(a>999) {
+ if ((a%4==0)||(a/400/100==0)) {
+ System.out.println("您输入的是闰年");
+ }
+ else {
+ System.out.println("您输入的不是闰年");
+ }
+
+
+ }
+ else {
+ System.out.println("您输入的不是正确年份");}
+ }
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0004.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0004.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e720c33bd5d797564cd2aeeb880530871e615ccb
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0004.java"
@@ -0,0 +1,24 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Demo0004 {
+ public static void main(String[] args) {
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.println("请输入账号");
+ String a =scanner.next();
+
+ System.out.println("请输入密码");
+ long b =scanner.nextLong();
+
+ System.out.println("请再次输入密码");
+ long c =scanner.nextLong();
+
+ if (b==c) {
+ System.out.println("恭喜您，注册成功");
+ }else {
+
+ System.out.println("对不起，您两次输入的密码不一致，请重新输入");}
+ }
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0005.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0005.java"
new file mode 100644
index 0000000000000000000000000000000000000000..320f1f2dcb7e8581f479f43e7b7b6061356290f4
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0005.java"
@@ -0,0 +1,27 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Demo0005 {
+ /*
+ * 判断用户输入的年份是不是闰年，接受用户输入的年份后，
+ * 首先要判断数字是不是正确的年份，年份是四位数，闰年的条件是符合下面二者之一：
+ 能被4整除；
+ 能被400整除，同时又能被100整除。
+ */
+
+ public static void main(String[] args) {
+ int year;
+
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.println("请输入年份：");
+ year = scanner.nextInt();
+
+ if (year/4==0|(year/400==0&year/100==0)) {
+ System.out.println("该年是闰年：");
+ }else {
+ System.out.println("该年不是闰年");
+ }
+ }
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/monizhuce.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/monizhuce.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9a6a20e4d1dedd53bcba9c760aa8b8eead6d4a65
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/monizhuce.java"
@@ -0,0 +1,39 @@
+package 朱奇伟;
+
+import java.util.Scanner;
+
+public class monizhuce {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan =new Scanner(System.in);
+
+ String username;
+ String password;
+ String password2;
+
+
+ System.out.println("请输入用户名");
+
+ username= scan.next();
+
+ System.out.println("请输入密码");
+ password = scan.next();
+ System.out.println("请再次输入密码");
+ password2 = scan.next();
+
+ if(password.equals(password2)){
+ System.out.println("恭喜您，注册成功");
+
+ }
+ else {
+ System.out.println("对不起，您两次输入的密码不一致，请重新输入");
+
+ }
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/shifourunnian.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/shifourunnian.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2ddc1b2670de0706c87e3c68e56bfb85496289f5
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/shifourunnian.java"
@@ -0,0 +1,27 @@
+package 朱奇伟;
+
+import java.util.Scanner;
+
+public class shifourunnian {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan =new Scanner(System.in);
+
+ System.out.println("请输入年份");
+
+ int nianfen = scan.nextInt();
+
+ if (nianfen%400==0) {
+ System.out.println(nianfen+"年是闰年");
+ }
+ else if (nianfen%100==0) {
+ System.out.println(nianfen+"年不是闰年");
+ }
+ else if (nianfen%4==0) {
+ System.out.println(nianfen+"年不是闰年");
+ }
+ else {System.out.println(nianfen+"年不是闰年");}
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo01.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8cad1c30ee7450ee2e31678777dd427c828bf2c5
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo01.java"
@@ -0,0 +1,12 @@
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ int a = 5;
+ int b = 10;
+ int c = a > b ? a : b;
+ System.out.println(c);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo02.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9b4e366f31cf5c868768d3b1660e3f7f2e2229b7
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo02.java"
@@ -0,0 +1,14 @@
+import java.util.Scanner;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个数字：");
+ int a = scan.nextInt();
+ String c = a%2 == 0 ? "是偶数" : "是奇数" ;
+ System.out.println(c);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo03.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..132b5fb5ecd941fc7a24fae70954e58e717d717a
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo03.java"
@@ -0,0 +1,13 @@
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ int a = 150;
+ int b = 210;
+ int c = 165;
+ int d = a>b ? (a>c ? a:c) : (b>c ? b:c);
+ System.out.println("三个和尚最高的是："+d+"cm");
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo04.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..571ba171c857c9a1b9c8cefe290a67e3fbb0af22
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo04.java"
@@ -0,0 +1,24 @@
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入用户名：");
+ double d1 = scan.nextDouble();
+
+ System.out.println("请输入密码：");
+ double a = scan.nextDouble();
+
+ System.out.println("请再次输入密码：");
+ double b = scan.nextDouble();
+
+ if(a == b) {
+ System.out.println("恭喜您，注册成功！");
+ }
+ if(a != b) {
+ System.out.println("对不起，您两次输入的密码不一致，请重新输入");
+ }
+}
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo05.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..86d73f63ec7aeddb2f9cbfb92f5c82648305476d
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo05.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ int a = scan.nextInt();
+ if (a>999) {
+ if ((a%4==0) || (a%400==0) && (a/100!=0)) {
+ System.out.println("您输入的是闰年");
+ }
+ else {
+ System.out.println("您输入的不是闰年");
+ }
+ }
+ else {
+ System.out.println("您输入的不是正确年份");
+ }
+}
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/.keep" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/.keep"
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo1.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..078397437918c3fd0168a5490c90a5998ebb4752
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo1.java"
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+
+public class demo1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a= 150;
+ int b= 210;
+ int c= 165;
+ int d;
+ Scanner scan =new Scanner(System.in);
+ int f= a>b? a:b;
+ int g= b>c? b:c;
+ int h= f>g? f:g;
+ System.out.println("三个和尚最高身高"+h);
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo2.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b056f7f512dd82452fde9d9673a55b2520f53807
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo2.java"
@@ -0,0 +1,17 @@
+import java.util.Scanner;
+
+public class demo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ int a;
+ Scanner scan =new Scanner(System.in);
+ System.out.println("请输入一个数");
+ a=scan.nextInt();
+ String b;
+ b= (a%2!=0)?"b是奇数":"b是偶数!";
+ System.out.println(b);
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo3.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4fc19531d4c90b147fd0a2443d20fb65dd403b46
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo3.java"
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+
+public class demo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a;
+ int b;
+ Scanner scan =new Scanner(System.in);
+ System.out.println("请输入第一个数");
+ a=scan.nextInt();
+ System.out.println("请输入第二个数");
+ b=scan.nextInt();
+ int c=a>>>>>>>>>>>>>");
+
+ System.out.println("请输入账号");
+ String userName =scanner.next();
+ System.out.println("请输入密码");
+ int pass1=scanner.nextInt();
+ System.out.println("请再次输入密码");
+ int pass2=scanner.nextInt();
+ if (pass1==pass2) {
+ System.out.println("恭喜你注册成功");
+ }
+ if (pass1!=pass2) {
+ System.out.println("对不起你两次输入的密码不同，请重新输入你的账号密码");
+ }
+ System.out.println("程序结束！");
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo5.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6c6e5e90b0979e68dba002ec42ad0e22c95f2dac
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo5.java"
@@ -0,0 +1,24 @@
+import java.util.Scanner;
+
+public class demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int a = scan.nextInt();
+ if (a>999) {
+ if ((a%4==0) || (a%400==0) && (a/100!=0)) {
+ System.out.println("您输入的是闰年");
+ }
+ else {
+ System.out.println("您输入的不是闰年");
+ }
+ }
+ else {
+ System.out.println("您输入的不是正确年份");
+ }
+ }
+
+ }
+
+
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/readme.txt" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/readme.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..acf699d6b90a204b22dd530470edeb8eb5943beb
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/readme.txt"
@@ -0,0 +1 @@
+Java第五次作业
\ No newline at end of file
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/DX\345\210\244\346\226\255.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/DX\345\210\244\346\226\255.java"
new file mode 100644
index 0000000000000000000000000000000000000000..080b986d4a22ffb0f72cf11dd4029544f44c5756
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/DX\345\210\244\346\226\255.java"
@@ -0,0 +1,33 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class DX判断 {
+ public static void main(String[]args){
+ int a;
+ int b;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ a=scan.nextInt();
+ System.out.println("请输入第二个数字");
+ b=scan.nextInt();
+ int c=a>b?a:b;
+ System.out.println("最大的数字是"+c);
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Hshang.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Hshang.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e1fa4e24166ea726bce034e012e2d2253c916d92
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Hshang.java"
@@ -0,0 +1,26 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class Hshang {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a=150;
+ int b=210;
+ int c=165;
+
+
+ Scanner scan=new Scanner(System.in);
+ int f=a>b?(a>c?a:c):(b>c?b:c);
+ System.out.println("最高的和尚身高："+f);
+ f=scan.nextInt();
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Js\345\201\266\346\225\260.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Js\345\201\266\346\225\260.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b06cdc090c7d63c331f2c54bbd5706441303ad5c
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Js\345\201\266\346\225\260.java"
@@ -0,0 +1,22 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class Js偶数 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个数字");
+ a=scan.nextInt();
+ String b;
+ b=(a%2!=0)?"a是奇数!":"a是偶数！";
+ System.out.println(b);
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Run\345\271\264.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Run\345\271\264.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9403bdc541b83aafbd4222bba62d69aaff42c692
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Run\345\271\264.java"
@@ -0,0 +1,23 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class Run年 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入年份");
+ int a=scan.nextInt();
+
+ if(a%4==0||a%400==0&&a%100==0 ){
+ System.out.println("这是闰年"); } else {
+ System.out.println("这是平年");
+
+ }
+
+
+ }
+ }
+
+
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Y\346\210\267\346\263\250\345\206\214.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Y\346\210\267\346\263\250\345\206\214.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1ac8e22e517146560de89120d7d4b33b59d69f51
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Y\346\210\267\346\263\250\345\206\214.java"
@@ -0,0 +1,25 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class Y户注册 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入用户名");
+ int a=scanner.nextInt();
+ System.out.println("请输入密码第一次");
+ int b=scanner.nextInt();
+ System.out.println("请输入密码第二次");
+ int c=scanner.nextInt();
+
+ if(b==c) {
+
+ System.out.println("恭喜您，注册成功");}else {
+ System.out.println("对不起，您两次输入的密码不一致，请重新输入");
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo4.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..26f9199524c836c5e1e29f8f4ce915dd9d02b841
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo4.java"
@@ -0,0 +1,21 @@
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ Scanner abc = new Scanner(System.in);
+ System.out.println("请输入账号：");
+ int a = abc.nextInt();
+ System.out.println("请输入密码：");
+ int b = abc.nextInt();
+ System.out.println("请再次输入密码：");
+ int c = abc.nextInt();
+
+ if (b == c) {
+ System.out.println("注册成功！");
+ }else {
+ System.out.println("两次密码不一样，请重新输入！");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo5.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e0885c1da74c9ec4afbfbec845c3dd45ee258a91
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo5.java"
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ Scanner abc = new Scanner(System.in);
+ System.out.println("请输入年份：");
+ int a = abc.nextInt();
+ if (a < 1000) {
+ System.out.println("输入的年份不正确！");
+ }
+ if (a % 4 == 0 && a > 1000 || a % 100 == 0 && a % 400 == 0) {
+ System.out.println("是闰年");
+ }else {
+ System.out.println("不是闰年");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/Lesson1.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/Lesson1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..56bda30b39355569ed2374adaf5deca165131808
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/Lesson1.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class Lesson1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ int a;
+ int b;
+ System.out.println("请输入第一个数字");
+ a=scanner.nextInt();
+ System.out.println("请输入第二个数字");
+ b=scanner.nextInt();
+ int c=a0&&a/1000<10)
+ if(a%4==0||a/400==0&&a/100==0) {
+ System.out.println("是闰年");}
+ else {
+ System.out.println("不是闰年");
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Lool3.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Lool3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f97caa6d3066c33e18b63609415a9a9b5d230458
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Lool3.java"
@@ -0,0 +1,27 @@
+package yang;
+
+import java.util.Scanner;
+
+public class Lool3 {
+public static void main(String[] args) {
+ String c;
+ int b;
+ int d;
+ Scanner yang=new Scanner (System.in);
+
+ System.out.println("请创建用户名");
+ c=yang.next();
+ System.out.println("请创建密码");
+ b=yang.nextInt();
+ System.out.println("请再一次确认密码");
+ d=yang.nextInt();
+
+ if(b == d) {
+ System.out.println("恭喜您，注册成功");
+ }
+ if(b != d) {
+ System.out.println("对不起，您两次输入的密码不一致，请重新输入");
+ }
+}
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Lool4.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Lool4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f96e4aef5888aa9118f099b230e4dea0cc298ac0
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Lool4.java"
@@ -0,0 +1,27 @@
+package yang;
+
+import java.util.Scanner;
+
+public class Lool4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a;
+ Scanner yang=new Scanner(System.in);
+ a=yang.nextInt();
+ if(a>=1000) {
+ System.out.println(a);
+
+ }else {
+ System.out.println("你输入的年份有误，请重新输入");
+ }
+ System.out.println(a);
+ if((a%4==0) || (a%400==0 && a%100==0)){
+ System.out.println("是闰年");
+ }else {
+ System.out.println("不是是闰年");
+ }
+ }
+}
+
+
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2374/Less_4.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2374/Less_4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b88933b9204b4d24175e2c38d65c2a9cd6138da6
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2374/Less_4.java"
@@ -0,0 +1,22 @@
+package com.cd.less_1;
+
+import java.util.Scanner;
+
+public class Less_4 {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请用户输入用户名:");
+ String num1 =scan.next();
+ System.out.println("请输入密码，可以输入字母或汉字:");
+ double num2 =scan.nextDouble();
+ System.out.println("请再输入一次密码:");
+ double num3 =scan.nextDouble();
+ if(num2==num3) {
+ System.out.println("恭喜你登入成功!");
+ }
+ if(num2!=num3) {
+ System.out.println("对不起，您两次输入的密码不一致，请重新输入");
+ }
+ System.out.println("程序结束!");
+ }
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2374/Less_5.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2374/Less_5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4534706f6812bd98193910039b5a9aa3b2d996fd
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2374/Less_5.java"
@@ -0,0 +1,22 @@
+package com.cd.less_1;
+
+import java.util.Scanner;
+
+public class Less_5 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请用户输入年份");
+ int num=scan.nextInt();
+ if(num<=999 || num>2030) {
+ System.out.println("对不起请输入正确的年份:");
+ }
+ if(num%4==0 && num%400!=0 ||num/100==0) {
+ System.out.println(num+"今年是闰年");
+ }else {
+ System.out.println(num+"今年不是闰年");
+ }
+ System.out.println("程序结束!");
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Ahj2.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Ahj2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7c8f888a03a43f2b935e7918a9947f0a0908a685
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Ahj2.java"
@@ -0,0 +1,29 @@
+import java.util.Scanner;
+
+public class Ahj2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ //模拟用户注册。请用户输入用户名，并输入两次密码（密码可以输入字母或汉字），如果两次输入密码相同，则显示“恭喜您，注册成功”，否则显示“对不起，您两次输入的密码不一致，请重新输入”。
+ int a;
+ int b;
+ int c;
+ Scanner fer = new Scanner(System.in);
+ System.out.println( "请用户输入用户名");
+ a=fer. nextInt();
+ System.out.println( "请用户输入第一次密码");
+ b=fer.nextInt();
+ System.out.println("请再次输入密码");
+ c=fer.nextInt();
+
+ if(b==c){
+ System.out.println("恭喜您，注册成功");
+ }else {
+ System.out.println("否则显示“对不起，您两次输入的密码不一致，请重新输入");
+
+
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Ahj3.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Ahj3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8443841a73b24bdf2039a52404c1e89e9a0c5776
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Ahj3.java"
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+public class Ahj3 {
+
+ public static void main(String[] args) {
+ // 判断用户输入的年份是不是闰年，接受用户输入的年份后，首先要判断数字是不是正确的年份，年份是四位数，闰年的条件是符合下面二者之一：
+ // 能被4整除；
+ //能被400整除，同时又能被100整除。
+ int a;
+ Scanner fer = new Scanner(System.in);
+ System.out.println( "请用户输入年份");
+ a=fer.nextInt();
+ if(a%4==0||a%400==0&&a%100==0){
+
+ System.out.println("这是闰年");
+ }else {
+ System.out.println("这是平年");}
+
+
+ }
+ }
+
+
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\250\241\346\213\237\346\263\250\345\206\214.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\250\241\346\213\237\346\263\250\345\206\214.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3e96c07fd649267389a7a36bcd8bdb5aa43295d8
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\250\241\346\213\237\346\263\250\345\206\214.java"
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+public class 练习 {
+
+ public static void main(String[] args) {
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入用户名+");
+ int a = scan.nextInt();
+ System.out.println("请输入密码");
+ int b = scan.nextInt();
+ System.out.println("请确认密码");
+ int c = scan.nextInt();
+ if(b==c) {
+ System.out.println("注册成功");
+ }else{
+ System.out.println("注册失败");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\351\227\260\345\271\264.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\351\227\260\345\271\264.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c4819f161c626eee6a5be262ad7061b819d45bb1
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\351\227\260\345\271\264.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class 闰年 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入年份");
+ int a =scan.nextInt();
+ if(a<10000){
+
+ }if(a%4==0||a%400==0&a%100==0) {
+ System.out.println("是闰年");
+
+ }else {System.out.println("不是闰年");
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo04.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fb079288d35d3a498a934a6c778769fe285cebbd
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo04.java"
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入账号");
+ String username=scanner.next();
+ System.out.println("请输入密码");
+ int a=scanner.nextInt();
+ System.out.println("请再次输入密码");
+ int b=scanner.nextInt();
+ if(a==b) {System.out.println("“恭喜您，注册成功”");
+ }
+ else {System.out.println("对不起，您两次输入的密码不一致，请重新输入”");}
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo05.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ca881ef6f4d3fdb84b528c31b6865b0dbf48e1ef
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo05.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输年份");
+ int a=scanner.nextInt();
+ if(a<10000&a>999) {int b=a;
+ if(b%4==0) {if(b%400==0&b%100==0) {System.out.println("闰年");}
+ else {System.out.println("不是闰年");}
+ }
+ else {System.out.println("不是闰年");}
+ }
+ else {System.out.println("年份输入错误，请重新输入");}
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo03.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..949ae80d76b2c45649c53adc7b0e8b8cda18062e
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo03.java"
@@ -0,0 +1,44 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("是否已婚");
+ String a=scanner.next();
+ if(a.equals("Y")) {
+ System.out.println("可以买保险");
+ return;
+ }
+ else {
+ System.out.println("请输入您的性别");
+ String b=scanner.next();
+ if (b.equals("男")) {
+ System.out.println("请输入您的年龄");
+ int age=scanner.nextInt();
+ if(age>=25){
+ System.out.println("可以买保险");
+ }
+ else {
+ System.out.println("不可以买保险");
+ }
+ }
+ else {
+ System.out.println("请输入您的年龄");
+ int age=scanner.nextInt();
+ if(age>=22){
+ System.out.println("可以买保险");
+ }
+ else {
+ System.out.println("不可以买保险");
+ }
+ }
+ }
+
+ }
+
+
+}
+
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo06.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7ff5ea12755df515837491c0062ebc65dfbda42b
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo06.java"
@@ -0,0 +1,50 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入第一个值");
+ int a=scanner.nextInt();
+ System.out.println("请输入第二个值");
+ int b=scanner.nextInt();
+ System.out.println("请输入第三个值");
+ int c=scanner.nextInt();
+ if(a>b&&a>c&&b>c){
+ System.out.println(a+">"+b+">"+c);
+ }
+ else{
+ if(a>b&&a>c&&c>b) {
+ System.out.println(a+">"+c+">"+b);
+ }
+ else {
+ if(b>a&&a>c&&b>c) {
+ System.out.println(b+">"+a+">"+c);
+ }
+ else {
+ if(b>a&&c>a&&b>c) {
+ System.out.println(b+">"+c+">"+a);
+ }
+ else {
+ if(c>a&&c>b&&b>a) {
+ System.out.println(c+">"+b+">"+a);
+ }
+ else {
+ if(c>a&&c>b&&a>b) {
+ System.out.println(c+">"+a+">"+b);
+ }
+ else {
+ System.out.println("");
+ }
+ }
+ }
+ }
+ }
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo1.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f65eb10a1dc435fc192a7a46a51ea2485be38e46
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo1.java"
@@ -0,0 +1,29 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+
+ //请用户输入小王和小张的性别，如果两个人都是男生，或者都是女生，则输出“对不起，你们不能结婚”，
+ //如果他们一个是男生，一个是女生，则输出“恭喜，你们可以结婚”。
+
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.println("请输入小王的性别");
+ String gender1 = scanner.next();
+
+ System.out.println("请输入小张的性别");
+ String gender2 =scanner.next();
+
+ if (gender1.equals(gender2)) {
+ System.out.print("你们不能结婚");
+ }else {
+ System.out.print("你们可以结婚");
+ }
+
+ }
+}
+
+
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo2.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..181baa7691e7206bb54923fa786d2f7ed4f2924d
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo2.java"
@@ -0,0 +1,32 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ //用A,B,C等级对学生的的成绩分类, 其中
+ //0 - 60(不包含)是C,
+ //60（包含） – 80（包含）是B,
+ //81（包含） – 100 （包含）是A等级。
+ //请用代码实现如下功能：由用户输入同学的分数，自动显示该同学所属的等级；
+ //若输入分数校友0或者大于100，则显示“成绩输入有误，请重新输入”。
+
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.print("请输入学生成绩");
+ int a = scanner.nextInt();
+
+ if(a<60) {
+ System.out.print("c");
+ }else if(a>=60 & a<=80){
+ System.out.print("b");
+ }else if(a>=81 & a<=100) {
+ System.out.print("a");
+ }
+ }
+
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo4.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..920c2af82a3a0c3dde0c04348bc8d6216012b5b6
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo4.java"
@@ -0,0 +1,27 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo4 {
+
+
+ // 请用户输入网购金额，不同金额有不同的折扣率，编写程序自动显示出打折后的客户应付金额
+ public static void main (String[] args) {
+
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.println("请输入数值");
+ int a = scanner.nextInt();
+ if(a>0&&a<100) {
+ System.out.print("无折扣");
+ }else if(a>=100 & a<500){
+ System.out.print("九折");
+ }else if(a>=500 & a<=1000) {
+ System.out.print("八点五折");
+ }else if(a>=1000& a<5000) {
+ System.out.print("八折");}
+ }
+}
+
+
+
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo5.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4f31b2aa0be250e8ba14f76975a6344766d63209
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/\347\275\227\344\273\225\345\244\251/Demo5.java"
@@ -0,0 +1,47 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // 编写一个程序，根据用户输入的一个字符，判断该字符是不是字母
+ //，如果是字母，判断该字母是声母还是韵母，是大写字母还是小写字母，
+ //如果不是字母，则输出“你输入的字符不是字母”
+ //一个字母的声母有:b、p、m、f、d、t、n、l、g、k、h、j、q、x、r、z、c、s、y、w。
+ //一个字母的韵母有: a、o、e、i、u、v。
+ Scanner scanner =new Scanner(System.in);
+
+ char a;
+ System.out.println("请输入字符");
+ a = scanner.next().charAt(0);
+ int b=a;
+ if(b<65||b>122||b<97&&b>90) {
+ System.out.println("不是字母");
+ }
+ else {
+ if(b>=65&&b<=90) {
+ System.out.println("是大写字母");
+ if(a=='a'||a=='o'||a=='e'||a=='i'||a=='u'||a=='v'){
+ System.out.println("是韵母");
+ }
+ else {
+ System.out.println("是声母");
+ }
+ }
+ else {
+ System.out.println("是小写字母");
+ if(a=='a'||a=='o'||a=='e'||a=='i'||a=='u'||a=='v'){
+ System.out.println("是韵母");
+ }
+ else {
+ System.out.println("是声母");
+ }
+ }
+ }
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/RunN.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/RunN.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bef637b08abb3089eae8ec60d741030a9256457a
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/RunN.java"
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+public class RunN {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 判断用户输入的年份是不是闰年，接受用户输入的年份后，首先要判断数字是不是正确的年份，
+// 年份是四位数，闰年的条件是符合下面二者之一：
+// 能被4整除；
+// 能被400整除，同时又能被100整除。
+ int num1;
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入年份");
+ num1=scan.nextInt();
+ if(num1%4==0 &&num1%100==0 &&num1>999) {
+ System.out.println("该年是闰年");
+ }
+ else {
+ System.out.println("该年不是闰年");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/ZC.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/ZC.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fce1575f3e06fb7a39a0d7956b49e1ad894e4aa0
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/ZC.java"
@@ -0,0 +1,26 @@
+import java.util.Scanner;
+
+public class ZC {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ // 模拟用户注册。请用户输入用户名，并输入两次密码（密码可以输入字母或汉字），
+ // 如果两次输入密码相同，则显示“恭喜您，注册成功”，
+ // 否则显示“对不起，您两次输入的密码不一致，请重新输入”。
+ String name;
+ int pass1;
+ int pass2;
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入用户名");
+ name=scan.next();
+ System.out.println("请输入密码");
+ pass1=scan.nextInt();
+ System.out.println("请输入再次密码");
+ pass2=scan.nextInt();
+ if(pass1==pass2){
+ System.out.println("恭喜您，注册成功");
+ }
+ else {
+ System.out.println("对不起，您两次输入的密码不一致，请重新输入");
+ }
+ }
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Demo4.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..48297079c43ba54e7a8d1c7b885202435c1e1ded
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Demo4.java"
@@ -0,0 +1,10 @@
+package less;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Demo5.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..58fee070d7a832db935fa39ca4121f1c36e50a45
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Demo5.java"
@@ -0,0 +1,5 @@
+package less;
+
+public class Demo5 {
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Ctayouyu.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Ctayouyu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3806c26db26cfe7528c3ea84ae163516274bc411
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Ctayouyu.java"
@@ -0,0 +1,26 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Ctayouyu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入账号");
+ String a = scanner.next();
+ System.out.println("请输入密码");
+ int b = scanner.nextInt();
+ System.out.println("请输入第二次密码");
+ int c = scanner.nextInt();
+ if (b ==c) {
+ System.out.println("恭喜你注册成功");
+ }
+ if (b !=c) {
+ System.out.println("对不起，您两次输入的密码不一致，请重新输入");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/SF.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/SF.java"
new file mode 100644
index 0000000000000000000000000000000000000000..43c31e557e1f2466ca3652cdc7205bad7c1ba340
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/SF.java"
@@ -0,0 +1,28 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class SF {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入年份");
+
+
+ int a = scanner.nextInt();
+
+
+ if (a>999 && a<10000) {
+ if (a%4==0 || a%400/100==0)
+
+ System.out.println("是闰年");
+ else
+ System.out.println("不是闰年");
+
+
+ }
+ }
+ }
+
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo04.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fb079288d35d3a498a934a6c778769fe285cebbd
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo04.java"
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入账号");
+ String username=scanner.next();
+ System.out.println("请输入密码");
+ int a=scanner.nextInt();
+ System.out.println("请再次输入密码");
+ int b=scanner.nextInt();
+ if(a==b) {System.out.println("“恭喜您，注册成功”");
+ }
+ else {System.out.println("对不起，您两次输入的密码不一致，请重新输入”");}
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo05.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ca881ef6f4d3fdb84b528c31b6865b0dbf48e1ef
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo05.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输年份");
+ int a=scanner.nextInt();
+ if(a<10000&a>999) {int b=a;
+ if(b%4==0) {if(b%400==0&b%100==0) {System.out.println("闰年");}
+ else {System.out.println("不是闰年");}
+ }
+ else {System.out.println("不是闰年");}
+ }
+ else {System.out.println("年份输入错误，请重新输入");}
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/NN.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/NN.java"
new file mode 100644
index 0000000000000000000000000000000000000000..592726a0c2ec20908d0fa5a17e70ebb42aa338d8
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/NN.java"
@@ -0,0 +1,18 @@
+import java.util.Scanner;
+
+public class NN {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入年份");
+ int a = scan.nextInt();
+ if( a <1000 ){
+ System.out.println("您输入的年份不正确");
+ }
+ if(a%4==0 && a>1000 || a%100==0 &&a%400==0){
+ System.out.println("您输入的年份是闰年");
+ }else { System.out.println("您输入的年份不是闰年");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/YHZC.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/YHZC.java"
new file mode 100644
index 0000000000000000000000000000000000000000..49debd2ccfa43eeff3b6eb1f2e9d8e319f87b15c
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/YHZC.java"
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+public class YHZC {
+
+ public static void main(String[] args) {
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入用户名");
+ int a = scan.nextInt();
+ System.out.println("请输入密码");
+ int b = scan.nextInt();
+ System.out.println("请再次输入密码");
+ int c = scan.nextInt();
+
+ if( b == c){
+ System.out.println("恭喜你，注册成功");
+ }
+ if(b!=c) {
+ System.out.println("对不起，您两次输入的密码不一致，请重新输入");
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo2.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..038ed380531451017e8334eeef5c56abf97b3933
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo2.java"
@@ -0,0 +1,18 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a ;
+ String b;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个数：");
+ a=scan.nextInt();
+ b=(a%2!=0)?"a是奇数":"a是偶数";
+ System.out.println(b);
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo3.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5ab6bc8cf7676c540c8c41b97d4aadaa924ff33c
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo3.java"
@@ -0,0 +1,15 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a = 150 , b= 210,c= 165;
+ Scanner scan = new Scanner(System.in);
+ int f= a>b?(a>c?a:c):(b>c?b:c);
+ System.out.println("三个和尚身高最高的为：" + f);
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo4.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ac65848f8016a1023322c610f28cf45110059ca8
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo4.java"
@@ -0,0 +1,26 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int b,c;
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请用户输入用户名：");
+ String a = scanner.next();
+ System.out.println("请用户输入密码：");
+ b = scanner.nextInt();
+ System.out.println("请用户输入第二次密码");
+ c = scanner.nextInt();
+ if (b==c) {
+ System.out.println("恭喜您，注册成功");
+ }else {
+ System.out.println("对不起您的密码输入错误请重新输入");
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo5.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d41f567f3e24a7a76889a6df2bd5034b78d2a94b
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo5.java"
@@ -0,0 +1,21 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a ,b;
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请用户输入四位数：");
+ a= scanner.nextInt();
+ if (a%4==0 || a%400==0 && a%100==0) {
+ System.out.println("这年为润年");
+
+ }else {
+ System.out.println("这年为平年");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Xzr1.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Xzr1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d72ff1f0dcd25e6c04a60f5021c9643ebef8d621
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Xzr1.java"
@@ -0,0 +1,20 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Xzr1 {
+
+ public static void main(String[] args) {
+ int a,b;
+ int c;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入第一个数：");
+ a = scan.nextInt();
+ System.out.println("请输入第二个数：");
+ b = scan.nextInt();
+ c = a= 1000){
+
+ System.out.println("是正确年份");
+ if(num1%4==0&&num1%400==0) {
+ System.out.println("是闰年");}
+ else {
+ System.out.println("不是闰年");
+ num1 = scanner.nextInt();
+
+ }
+ }
+
+ else {
+ System.out.println("不正确");
+ num1 = scanner.nextInt();
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/RunN.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/RunN.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bef637b08abb3089eae8ec60d741030a9256457a
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/RunN.java"
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+public class RunN {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 判断用户输入的年份是不是闰年，接受用户输入的年份后，首先要判断数字是不是正确的年份，
+// 年份是四位数，闰年的条件是符合下面二者之一：
+// 能被4整除；
+// 能被400整除，同时又能被100整除。
+ int num1;
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入年份");
+ num1=scan.nextInt();
+ if(num1%4==0 &&num1%100==0 &&num1>999) {
+ System.out.println("该年是闰年");
+ }
+ else {
+ System.out.println("该年不是闰年");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/ZC.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/ZC.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fce1575f3e06fb7a39a0d7956b49e1ad894e4aa0
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/ZC.java"
@@ -0,0 +1,26 @@
+import java.util.Scanner;
+
+public class ZC {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ // 模拟用户注册。请用户输入用户名，并输入两次密码（密码可以输入字母或汉字），
+ // 如果两次输入密码相同，则显示“恭喜您，注册成功”，
+ // 否则显示“对不起，您两次输入的密码不一致，请重新输入”。
+ String name;
+ int pass1;
+ int pass2;
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入用户名");
+ name=scan.next();
+ System.out.println("请输入密码");
+ pass1=scan.nextInt();
+ System.out.println("请输入再次密码");
+ pass2=scan.nextInt();
+ if(pass1==pass2){
+ System.out.println("恭喜您，注册成功");
+ }
+ else {
+ System.out.println("对不起，您两次输入的密码不一致，请重新输入");
+ }
+ }
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Monizhuce.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Monizhuce.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7151299a99d58842bed56a45e2a98a9e15e06cb4
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Monizhuce.java"
@@ -0,0 +1,32 @@
+package org.xtext.example.mydsl;
+
+import java.util.Scanner;
+
+public class Monizhuce {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ System.out.println("----------注册界面--------------");
+ System.out.println("请输入您的账号：");
+ Scanner zhuce=new Scanner(System.in);
+ String d1=zhuce.next();
+ System.out.println("请输入您的密码：");
+ int d2=zhuce.nextInt();
+ System.out.println("请再次输入您的密码：");
+ int d3=zhuce.nextInt();
+
+ if(d3==d2)
+ {
+ System.out.println("恭喜你注册成功！！OwO");
+ }else
+ {
+ System.out.println("恭喜你注册失败！！OvQ");
+ }
+ System.out.println("结束");
+ }
+}
+
+
+
+
+
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Run.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Run.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c9bc795744a3553aae6e60915d400e9d2f03c3f6
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Run.java"
@@ -0,0 +1,21 @@
+package org.xtext.example.mydsl;
+
+import java.util.Scanner;
+
+public class Run {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ System.out.println("请输入年份：");
+ Scanner run=new Scanner(System.in);
+ int d1=run.nextInt();
+
+ if(d1%4==0||( d1%400==0 && d1%100==0 )) {
+ System.out.println("是闰年呀！");
+ }else {
+ System.out.println("不是闰年~");
+ }
+ System.out.println("结束");
+ }
+}
+
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye005.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye005.java"
new file mode 100644
index 0000000000000000000000000000000000000000..37622bbc6d21a82977d343e77723c015a5e8c7c9
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye005.java"
@@ -0,0 +1,26 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Zuoye005 {
+ public static void main(String[] args) {
+ /*模拟用户注册。请用户输入用户名，并输入两次密码
+ * （密码可以输入字母或汉字），如果两次输入密码相同，
+ * 则显示“恭喜您，注册成功”，否则显示“对不起，您两次输入的密码不一致，
+ * 请重新输入”。
+ */
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入第一位数:");
+ int a=scanner.nextInt();
+ System.out.println("请输入第二位数:");
+ int b=scanner.nextInt();
+ if(a==b) {
+ System.out.println("注册成功");
+
+ }
+ if (a != b){
+ System.out.println("对不起，您两次输入的密码不一致，请重新输入");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye007.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye007.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e48c1cf2af4b58c657e1a538dffcb49709fd1cb2
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zuoye007.java"
@@ -0,0 +1,26 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Zuoye007 {
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入年份：");
+ int a;
+ a=scanner.nextInt();
+
+
+
+ if(a%400==0 || a%4==0 && a%100!=0) {
+ System.out.println("是闰年");}
+ else {
+ System.out.println("是平年");
+
+
+ }
+ }
+
+ }
+
+
+
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/C5+Demo4.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/C5+Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cf2478df117e13080f80e8c7a60a553cc8f3a0a2
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/C5+Demo4.java"
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入您的用户名");
+ String T = scanner.next();
+
+ System.out.println("请输入您的密码");
+ long M1 = scanner.nextLong();
+ System.out.println("请再次输入您的密码");
+ long M2 = scanner.nextLong();
+
+ if (M1 == M2) {
+ System.out.println("注册成功!");
+ }
+ if (M1 != M2) {
+ System.out.println("对不起，您两次输入的密码不一致，请重新输入");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/C5+Demo5.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/C5+Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ab5c2409069d9d4f54f6aa5468bb03a4bdcc86c6
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/C5+Demo5.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入年份");
+ int T = scanner.nextInt();
+ if (T % 4 == 0 && T % 100 != 0) {
+ System.out.println(T+"年是闰年");
+ }else
+ if (T % 400 == 0) {
+ System.out.println(T+"年是闰年");
+ }else
+ {System.out.println(T+"年不是闰年");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo1.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9729adad6739c3fbe614347d7eda93651958661e
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo1.java"
@@ -0,0 +1,23 @@
+package l;
+import java.util.Scanner;
+public class demo1 {
+ public static void main(String[] args) {
+ int num1;
+ float num2;
+ double num3;
+ double sum;
+
+ System.out.println("请输入第一个数据");
+ num1 =new Scanner(System.in).nextInt();
+ System.out.println("请输入第二个数据");
+ num2 =new Scanner(System.in).nextFloat();
+ System.out.println("请输入第一个double数据");
+ num3 =new Scanner(System.in).nextDouble();
+
+ sum = num1 + num2 + num3;
+ System.out.println("结果是;" +sum);
+
+
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo2.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..49c59fd7067658c47d525322e929d1015e1a0400
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo2.java"
@@ -0,0 +1,27 @@
+package l;
+import java.util.Scanner;
+public class demo2 {
+
+
+ public static void main(String[] args) {
+ int num1;
+ byte num2;
+ float num3;
+ double num4;
+
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入一个double数据");
+ num4 = scan.nextDouble();
+ num1=(int)num4;
+ num2=(byte)num4;
+ num3=(float)num4;
+
+ double sum =num1 +num2 + num3;
+ System.out.println("强制转换后的总和是"+sum);
+
+
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo3.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4fc19531d4c90b147fd0a2443d20fb65dd403b46
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo3.java"
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+
+public class demo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a;
+ int b;
+ Scanner scan =new Scanner(System.in);
+ System.out.println("请输入第一个数");
+ a=scan.nextInt();
+ System.out.println("请输入第二个数");
+ b=scan.nextInt();
+ int c=a>>>>>>>>>>>>>");
+
+ System.out.println("请输入账号");
+ String userName =scanner.next();
+ System.out.println("请输入密码");
+ int pass1=scanner.nextInt();
+ System.out.println("请再次输入密码");
+ int pass2=scanner.nextInt();
+ if (pass1==pass2) {
+ System.out.println("恭喜你注册成功");
+ }
+ if (pass1!=pass2) {
+ System.out.println("对不起你两次输入的密码不同，请重新输入你的账号密码");
+ }
+ System.out.println("程序结束！");
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo5.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6c6e5e90b0979e68dba002ec42ad0e22c95f2dac
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/demo5.java"
@@ -0,0 +1,24 @@
+import java.util.Scanner;
+
+public class demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int a = scan.nextInt();
+ if (a>999) {
+ if ((a%4==0) || (a%400==0) && (a/100!=0)) {
+ System.out.println("您输入的是闰年");
+ }
+ else {
+ System.out.println("您输入的不是闰年");
+ }
+ }
+ else {
+ System.out.println("您输入的不是正确年份");
+ }
+ }
+
+ }
+
+
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo4.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..24f0f278d6b0817a7e2ef6980484430d1cae86d8
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo4.java"
@@ -0,0 +1,30 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo4 {
+ public static void main(String[] args) {
+
+ Scanner scan = new Scanner(System.in);
+
+ String password;
+ String password2;
+ String username;
+
+ System.out.println("请输入用户名");
+ username =scan.next();
+
+ System.out.println("请输入密码");
+ password =scan.next();
+
+ System.out.println("请再次输入密码");
+ password2 =scan.next();
+ if(password.equals(password2)) {
+ System.out.println("恭喜您，注册成功");
+ }
+ else {
+ System.out.println("对不起，您两次输入的密码不一致，请重新输入");
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo6.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9edf0167287d2236a19f7ed64d9b33edb56cce17
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo6.java"
@@ -0,0 +1,25 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo6 {
+ public static void main(String[] args) {
+ Scanner scan =new Scanner(System.in);
+
+ System.out.println("请输入年份");
+ int year =scan.nextInt();
+
+ if(year>=1000) {
+ if(year%4==0&&year%400==0){
+ System.out.println("该年是闰年");}
+ else {
+ System.out.println("不是闰年");
+ }
+ }
+ else {
+ System.out.println("请输入至少四位数的年份");
+ }
+
+
+ }
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa1.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8a0eb72b578511a89ea204182faedacfb4c58945
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa1.java"
@@ -0,0 +1,22 @@
+package life;
+
+import java.util.Scanner;
+
+public class aaa1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a;
+ int b;
+ Scanner scan=new Scanner(System.in);
+
+ System.out.println("请输入第一个数");
+ a=scan.nextInt();
+ System.out.println("请输入第二个数");
+ b=scan.nextInt();
+ String c = a>b? a+ "第一个数大于第二个数":b+ "第一个数大于第二个数" ;
+ System.out.println(c);
+
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa2.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5f06f2e8639244091511001687e0a85e8245b243
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa2.java"
@@ -0,0 +1,20 @@
+package life;
+
+import java.util.Scanner;
+
+public class aaa2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a;
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入你的值");
+ a=scan.nextInt();
+ int b=a%2;
+ if (b==0) System.out.println("你输入的值为偶数值："+a);
+ else System.out.println("你输入的值为奇数值："+a);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa3.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ceec81207db9fa4181c2e0edd5369d6dafd51482
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa3.java"
@@ -0,0 +1,24 @@
+package life;
+
+import java.util.Scanner;
+
+public class aaa3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ Scanner scan=new Scanner(System.in);
+ int a=210;
+ int b=165;
+ int c=150;
+
+ int d=a>b?a:b;
+ int f=d>c?a:c;
+ System.out.println(f);
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa4.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..75a7514a7522fac389bd1d8772fd77b058a74501
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa4.java"
@@ -0,0 +1,26 @@
+package life;
+
+import java.util.Scanner;
+
+public class aaa4 {
+//模拟用户注册。请用户输入用户名，并输入两次密码（密码可以输入字母或汉字），
+ //如果两次输入密码相同，则显示“恭喜您，注册成功”，
+ //否则显示“对不起，您两次输入的密码不一致，请重新输入”。
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+Scanner scan=new Scanner (System.in);
+System.out.println("注册页面");
+System.out.println("请输入用户名");
+ String c=scan.next();
+ System.out.println("请输入第一次密码");
+ int a=scan.nextInt();
+ System.out.println("请输入第二次密码");
+ int b=scan.nextInt();
+ if(a==b) {System.out.println("恭喜你，注册成功");}
+ else {System.out.println("密码不对，请求重新输入");}
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa5.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3d48dfd8bcb1fd0ecb5f3b53fe53d91d734caa72
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa5.java"
@@ -0,0 +1,39 @@
+package life;
+
+import java.util.Scanner;
+
+public class aaa5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+
+
+
+
+
+ Scanner scan=new Scanner (System.in);
+
+
+ System.out.println("请输入年份");
+ int a=scan.nextInt();
+
+ if(a%4==0) {System.out.println("恭喜你，答对了");}
+ if(a/400==0&&a/100==0) {System.out.println("恭喜你，答对了");}
+ else {System.out.println("不是闰年请重新输入");}
+
+
+
+
+
+
+
+
+ }
+
+
+
+
+ }
+
+
diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/readme.txt" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/readme.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..acf699d6b90a204b22dd530470edeb8eb5943beb
--- /dev/null
+++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/readme.txt"
@@ -0,0 +1 @@
+Java第五次作业
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.keep" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.keep"
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo1.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..55e85db10fbe0f333bee2ceb41954c11b110d9dc
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo1.java"
@@ -0,0 +1,12 @@
+package Lession1;
+
+public class Demo1 {
+ public static void main(String[] args) {
+ int a = 1;
+ for (int i = 1; i<10; i++) {
+ a=(a+1)*2;
+ System.out.println(a);
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo2.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a1dd519b1a11dd84762a3074d24dca73c437a311
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo2.java"
@@ -0,0 +1,24 @@
+package Lession1;
+
+public class Demo2 {
+
+
+ public static void main(String[] args) {
+ int a=0;
+ int b=0;
+ int c=0;
+
+
+ for (int i = 100; i <=999; i++) {
+ a=i%10;
+ b=i/10%10;
+ c=i/100;
+ if (a*a*a+b*b*b+c*c*c==i) {
+ System.out.println(i);
+ }
+
+
+ }
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo3.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..69d53d95628f2b2095df19e7ec8d4bb214886528
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo3.java"
@@ -0,0 +1,18 @@
+package Lession1;
+import java.util.Scanner;
+public class Demo3 {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入一个数字");
+ int a = scan.nextInt();
+
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ System.out.print("*");
+
+ }
+ System.out.println();
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo4.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..844c0fbe76a67b2c9cda79403eeb9db5f7c78278
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo4.java"
@@ -0,0 +1,28 @@
+package Lession1;
+
+import java.util.Scanner;
+
+public class Demo4 {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入一个数字");
+ int a = scan.nextInt();
+
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+
+ if (i==0||i==a-1||j==0||j==a-1) {
+ System.out.print("*");
+
+ } else {
+ System.out.print(" ");
+
+ }
+
+ }
+ System.out.println();
+ }
+ }
+}
+
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo5.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1c3669344ca7b4cdc3d35b96c475871ca4ab9fc7
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo5.java"
@@ -0,0 +1,35 @@
+package Lession1;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum=0;
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int [5];
+ for(int i=0;i<5;i++) {
+ System.out.println("输入员工的年龄");
+ a[i]=scanner.nextInt();
+
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for (int c=1;c<5;c++) {
+ if(maxa[e]) {
+ min=a[e];
+ }
+ }
+ System.out.println("平均年龄为："+sum/5);
+ System.out.println("年龄最大为："+max);
+ System.out.println("年龄最小为："+min);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo6.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fdcef762192e01c1719be44f25d252cd8ce36500
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo6.java"
@@ -0,0 +1,36 @@
+package Lession1;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int a = 0;
+ int b;
+ for (int i = 0; i <4; i++) {
+ System.out.println("请输入金额");
+ b = scan.nextInt();
+
+
+
+ if (b==-1) {
+
+ break;
+
+ }
+ if (b<=0) {
+ System.out.println("输入报错");
+ continue;
+
+
+ }
+ a=a+b;
+
+ }
+ System.out.println("总金额是"+a);
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo08.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..99b41336ca6efe8914b4f1ddde528cf9e4efccda
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo08.java"
@@ -0,0 +1,19 @@
+package ht;
+
+import java.util.Scanner;
+
+public class Demo09 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ // 需求：
+ // 已知一个数组 arr = {19, 28, 37, 46, 50}; 键盘录入一个数据，查找该数据在数组中的索引，
+ // 并在控制台输出找到的索引值。
+ int arr[]= {19,28,37,46,50};
+ System.out.println("请输入一个有用的数据");
+ int i=scanner.nextInt();
+ int sum=arr[i];
+ System.out.println("索引值为："+sum);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo1.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f45fa85bc93818dfa4f73b870c7715d293c6e5e9
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo1.java"
@@ -0,0 +1,34 @@
+package com.lession8;
+
+import java.util.Scanner;
+
+public class Demo1 {
+//统计购物金额
+ public static void main(String[] args) {
+ Scanner scan =new Scanner (System.in);
+ double sum = 0 ;
+ double price;
+
+ while(true) {
+ System.out.println("请输入金融");
+ price = scan .nextDouble();
+
+ if(price<=0&price!=-1) {
+ System.out.println("输入有误，请重新输入");
+ continue;
+ }
+ if(price==-1) {
+ break;
+ }
+ sum = sum + price;
+
+ }
+ System.out.println("sum:"+sum);
+ System.out.println("END");
+
+
+ }
+
+ }
+
+
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo2.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..caa1a5e2ec53b131ad6956e827c52b3ae321008a
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo2.java"
@@ -0,0 +1,14 @@
+package com.lession8;
+
+public class Demo2 {
+//猴子吃桃子
+public static void main(String[] args) {
+ int a = 1;
+ for(int i = 1; i < 10; i++) {
+ a = (a+1)*2;
+ System.out.println("第"+(10-i) + "天，桃子数是：" + a) ;
+ }
+ System.out.println("最终结果是" + a);
+ }
+}
+
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo3.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6e80c59f1db94a9d13ad1b18e0854eb5a533da05
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo3.java"
@@ -0,0 +1,23 @@
+package com.lession8;
+
+public class Demo3 {
+ //水仙花数
+ //水仙花数，指的是一个三位数，个位、十位、百位的数字立方和等于原数
+ //例如: 153 1*1*1 + 5*5*5 + 3*3*3 = 153
+
+ public static void main(String[] args) {
+ int a;
+ int b;
+ int c;
+ for(int i=100; i<1000; i++) {
+ a=i/100;
+ b=i/10;
+ b=b%10;
+ c=i%10;
+ if(a*a*a+b*b*b+c*c*c==i) {
+ System.out.println(i);
+ }
+ }
+ }
+}
+
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo4.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..eef2ff0a36da1b6b994392dcbb513ab7cd0e3252
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo4.java"
@@ -0,0 +1,17 @@
+package com.lession8;
+
+public class Demo4 {
+ //嵌套循环
+public static void main(String[] args) {
+
+ for(int i=1; i<10; i++) {
+ for(int j=1; j<10; j++) {
+ if(i>j) {
+ System.out.println(i +"*"+ j+"="+i*j +"\t");
+ }else {
+ }
+ }
+ System.out.println();
+ }
+}
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo5.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3c4c78062d819055ce5dd815324b12412fc295f9
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo5.java"
@@ -0,0 +1,20 @@
+package com.lession8;
+
+import java.util.Scanner;
+
+public class Demo5 {
+//打印实心正方形
+ public static void main(String[] args) {
+
+ Scanner scan = new Scanner (System.in);
+ System.out.println("请输入正方形边长");
+ int a = scan.nextInt();
+
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ System.out.print(" *");
+ }
+ System.out.println( );
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo6.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b0db23e4bd8def38fb7024ca2de9098147b66514
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo6.java"
@@ -0,0 +1,24 @@
+package com.lession8;
+
+import java.util.Scanner;
+
+public class Demo6 {
+//打印空心正方形
+ public static void main(String[] args) {
+
+ Scanner scan = new Scanner (System.in);
+ System.out.println("请输入正方形边长");
+ int a = scan.nextInt();
+
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ if(i==0 || i==a-1 || j==0 || j==a-1) {
+ System.out.print(" *");
+ }else {
+ System.out.print(" ");
+ }
+ }
+ System.out.println();
+}
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo7.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..35873d055cf300f8482210cc244c61e83f0e8043
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Demo7.java"
@@ -0,0 +1,36 @@
+package com.lession8;
+
+import java.util.Scanner;
+
+public class Demo7 {
+ //开发部分员工年龄
+public static void main(String[] args) {
+
+
+
+
+int []a=new int [5];
+ for(int i=0;i<5;i++) {
+ System.out.println("输入员工的年龄");
+ a[i]=scanner.nextInt();
+
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for (int c=1;c<5;c++) {
+ if(maxa[e]) {
+ min=a[e];
+ }
+ }
+ System.out.println("平均年龄为："+(sum/5));
+ System.out.println("年龄最大为："+max);
+ System.out.println("年龄最小为："+min);
+}
+}
+
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo01.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6560ff522e8b26fe956c4d73959946fd187094f6
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo01.java"
@@ -0,0 +1,30 @@
+package com.md.Lessions08;
+
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ double sum = 0;
+ double price;
+ while(true) {
+ System.out.println("请输入金额:");
+ price =scan.nextDouble();
+ if(price<=0&&price!=-1) {
+ System.err.println("报错信息");
+ continue;}
+
+ if(price==-1) {
+
+ break;
+ }sum+=price;
+
+ }System.err.println("sum"+sum);
+ System.out.println("end");
+
+
+
+
+
+}}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo02.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d472942b6e6087c05ae52eccadd097690232e04a
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo02.java"
@@ -0,0 +1,16 @@
+package com.md.Lessions08;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ //猴子吃桃
+ int a =1;
+
+ for (int i = 1; i < 10; i++) {
+ a=(a+1)*2;
+ System.out.println("第"+(10-i)+"天，桃子数是："+a);
+}
+ System.out.println("最终结果是："+a);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo03.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fa7630ffc4363a43715b3273579d323f0c700afd
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo03.java"
@@ -0,0 +1,22 @@
+package com.md.Lessions08;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ // 水仙花
+ int a;
+ int b;
+ int c;
+
+ for (int i = 100; i <=999; i++) {
+ a=i/100;
+ b=i/10;
+ b=b%10;
+ c=i%10;
+ if(a*a*a+b*b*b+c*c*c==i) {
+ System.out.println(i);
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo04.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1cd63983bc630d1a8e544acf5572bf892e17323f
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo04.java"
@@ -0,0 +1,19 @@
+package com.md.Lessions08;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ for (int i = 1; i <=9; i++) {
+ for (int j = 1; j < 9; j++) {
+ if(!(j>i)) {
+ System.out.print(i+"*"+j+"="+i*j+"\t");
+
+ }
+
+ }
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo05.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5c54ebb03bad189a3629791c9ac1da54dc60e528
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo05.java"
@@ -0,0 +1,21 @@
+package com.md.Lessions08;
+
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ // 实心正方形
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入正方形的边长");
+ int a = scan.nextInt();
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+
+ System.out.print(" *");
+ }
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo06.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fcae21ef7c87bd2e1eb1f6559c936620cfcb7764
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo06.java"
@@ -0,0 +1,28 @@
+package com.md.Lessions08;
+
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ //空心正方形
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入正方形的边长");
+ int a = scan.nextInt();
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ if(j==0||j==a-1||i==0||i==a-1) {
+
+ System.out.print(" *");
+
+
+ }else {
+ System.out.print(" ");
+ }
+
+ } System.out.println();
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo07.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6f1d13fb9d38a005fb77ae49bd2a88dea19416e3
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\200\235\347\233\210/Demo07.java"
@@ -0,0 +1,11 @@
+package com.md.Lessions08;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+ //开发部分员工年龄
+ int[] a= new int[5];
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession1.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7ae3ad708522c4dc4662bc8f43b34597175fa668
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession1.java"
@@ -0,0 +1,22 @@
+import java.util.Scanner;
+
+public class Lession1 {
+public static void main(String[]args ) {
+ int sum=0;
+ int a;
+ Scanner scanner=new Scanner(System.in);
+ while (true) {
+ System.out.println("输入消费金额");
+ a=scanner.nextInt();
+ if(a<=0&&a!=-1) {
+ System.out.println("报错，");
+ continue;
+ }
+ if(a==-1) {
+ break;
+ }
+ sum+=a;
+ }
+ System.out.println("消费总额为："+sum);
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession10.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession10.java"
new file mode 100644
index 0000000000000000000000000000000000000000..aca978f351f52a1dbe1edfd34d7481e988460f39
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession10.java"
@@ -0,0 +1,30 @@
+import java.util.Scanner;
+
+public class Lession10 {
+public static void main(String[] args) {
+ //需求：在编程竞赛中，有6个评委为参赛的选手打分，分数为0-100的整数分。
+ // 选手的最后得分为：去掉一个最高分和一个最低分后 的4个评委平均值 (不考虑小数部分)。
+ //补充说明：在控制台输入评委的评分后，输出选手的最终得分。
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int[6];
+ int sum=0;
+ for (int i = 0; i < 6; i++) {
+ System.out.println("请为选手评分");
+ a[i]=scanner.nextInt();
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for(int k=1;k<6;k++) {
+ if(maxa[g]) {
+ min=a[g];
+ }
+ }
+ System.out.println("选手最终得分为："+((sum-max-min)/4));
+}
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession2.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..91bc16dc7f07add0ea7850ab01dfa92f58190784
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession2.java"
@@ -0,0 +1,13 @@
+import java.util.Scanner;
+
+public class Lession2 {
+ public static void main(String[] args) {
+ int a=1;
+
+ Scanner scanner=new Scanner(System.in);
+ for (int i = 1; i < 10; i++) {
+ a=(a+1)*2;
+ }
+ System.out.println(a);
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession3.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e5bf4240f26fe3e2cf4819964600092b8bbdf25d
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession3.java"
@@ -0,0 +1,17 @@
+
+public class Lession3 {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ for (int i = 1; i <= 9; i++) {
+ {for (int j = 1; j <= 9; j++) {
+ if(j<=i){System.out.print(i+"*"+j+"="+i*j+"\t");}
+ }
+
+ }
+ System.out.println();
+
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession4.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..34a695400d62df7a03627326551cbe34b8f62ac2
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession4.java"
@@ -0,0 +1,30 @@
+
+public class Lession4 {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1; i < 6; i++) {
+ for(int a=1;a<=6-i;a++){
+ System.out.print(" ");
+ }
+
+ for(int b=1;b<=2*i-1;b++) {
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+ for (int j = 1; j <= 4; j++) {
+ for(int c=1;c<=j+1;c++){
+ System.out.print(" ");
+
+ }
+
+ for(int d=1;d<=9-2*j;d++) {
+ System.out.print("*");
+ }
+ System.out.println();
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession5.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1cc5eb3e0cb8eb889b0825ba33c4890d377c1eb5
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession5.java"
@@ -0,0 +1,32 @@
+import java.util.Scanner;
+
+public class Lession5 {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum=0;
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int [5];
+ for(int i=0;i<5;i++) {
+ System.out.println("输入员工的年龄");
+ a[i]=scanner.nextInt();
+
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for (int c=1;c<5;c++) {
+ if(maxa[e]) {
+ min=a[e];
+ }
+ }
+ System.out.println("平均年龄为："+sum/5);
+ System.out.println("年龄最大为："+max);
+ System.out.println("年龄最小为："+min);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession6.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a9b0021532e9b77f13c1ee0fed6d084b42cca937
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession6.java"
@@ -0,0 +1,31 @@
+import java.util.Scanner;
+
+public class Lession6 {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum=0;
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int [5];
+ for(int i=0;i<6;i++) {
+ System.out.println("输入员工的年龄");
+ a[i]=scanner.nextInt();
+
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for (int c=1;c<6;c++) {
+ if(maxa[e]) {
+ min=a[e];
+ }
+ }
+ System.out.println("选手平均得分为"+((sum-max-min)/4));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession7.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a20c01c749333a2cb9341c29c3b7313d745adbbe
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession7.java"
@@ -0,0 +1,14 @@
+import java.util.Scanner;
+
+public class Lession7 {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int []a={19,28,37,46,50};
+ int i=scan.nextInt();
+ int b =a[i];
+ System.out.println("时"+b);
+
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession8.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2cc105b578503b963b5226ae20995e052daadf15
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession8.java"
@@ -0,0 +1,15 @@
+import java.util.Scanner;
+
+public class Lession8 {
+public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ // 需求：
+ // 已知一个数组 air = {19, 28, 37, 46, 50}; 键盘录入一个数据，查找该数据在数组中的索引，
+ // 并在控制台输出找到的索引值。
+ int arr[]= {19,28,37,46,50};
+ System.out.println("请输入一个有用的数据");
+ int i=scanner.nextInt();
+ int sum=arr[i];
+ System.out.println("索引值为："+sum);
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession9.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession9.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f09df7e926e0adf374402c0b4c6fe111823fd6be
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession9.java"
@@ -0,0 +1,23 @@
+
+public class Lession9 {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum = 0;
+ int sua = 0;
+ int suv = 0;
+ int ki =0;
+ for (int i = 100; i < 1000; i++) {
+ sum=i/100;
+ sua=i/10%10;
+ suv=i%10;
+ if(sum*sum*sum+sua*sua*sua+suv*suv*suv==i)
+
+ {
+ System.out.println(i);
+ }
+
+
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/A.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/A.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3c9686c7fde8bbffe87421b48627bd95c95a86f6
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/A.java"
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class A {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ int b=0;
+ int a;
+ for (int i = 0; i <=100 ;i++) {
+ System.out.println("请输入商品金额");
+ a=scanner.nextInt();
+ b=b+a;
+ if (a==-1) {
+ System.out.println(b);
+ break;
+ }
+ if (a<=0) {
+ System.out.println("输入的金额有误，请重新输入");
+ b=b-a;
+ }
+ }
+ System.out.println(b);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/B.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/B.java"
new file mode 100644
index 0000000000000000000000000000000000000000..06f970c8572226a615c30b57cf38fe07b398381f
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/B.java"
@@ -0,0 +1,14 @@
+
+public class B {
+
+ public static void main(String[] args) {
+ int a=1;
+ for (int i = 0; i < 9; i++) {
+ a=a+1;
+ a=2*a;
+ System.out.println("第"+(9-i)+"天有"+a+"个");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/C.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/C.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3960b78c97fcc0309c073e4a02bbaa8f5c5354ce
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/C.java"
@@ -0,0 +1,18 @@
+
+public class C {
+
+ public static void main(String[] args) {
+ int a;
+ int b;
+ int c;
+ for (int i = 100; i <= 999; i++) {
+ a=i/100;
+ b=i/10;
+ b=b%10;
+ c=i%10;
+ if(a*a*a+b*b*b+c*c*c==i) {
+ System.out.println(i);
+ }
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/D.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/D.java"
new file mode 100644
index 0000000000000000000000000000000000000000..57838cc7af054641d840dc0f11a5b0ae5c1e2a52
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/D.java"
@@ -0,0 +1,17 @@
+
+public class D {
+
+ public static void main(String[] args) {
+ for (int i = 1; i < 10; i++) {
+ for (int j = 1; j < 10; j++) {
+ if(i>=j) {
+ System.out.print(i+"*"+j+"="+i*j+"\t");
+ }
+
+ }
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/E.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/E.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d7ca09b33b454cefe2bb895bfbc5e50bd228fa18
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/E.java"
@@ -0,0 +1,17 @@
+import java.util.Scanner;
+
+public class E {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入正方形边长");
+ int a=scanner.nextInt();
+ for (int i = 0; i =a[i]) {
+ min=a[i];
+ }
+ }
+ int c;
+ c=(a[0]+a[1]+a[2]+a[3]+a[4]+a[5]-max-min)/4;
+ System.out.println("平均分是"+c);
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/J.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/J.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8ce58edcd0d0e5258c785f78cb8e5c3fd7259bd8
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/J.java"
@@ -0,0 +1,14 @@
+import java.util.Scanner;
+
+public class J {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ int a []= {19, 28, 37, 46, 50};
+ int b = scan.nextInt();
+ int i = a[b];
+ System.out.println(i);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo01.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7d64fd0427668289b975c1143af04bdfa12a5362
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo01.java"
@@ -0,0 +1,36 @@
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ // 购物总金额
+ Scanner scan = new Scanner(System.in);
+
+ int sum = 0;
+ int a;
+ System.out.println("输入“-1”输出本次购物总金额");
+
+ for (int i = 0; i >= 0; i++) {
+ System.out.println("请输入购物一次的金额：");
+ a = scan.nextInt();
+
+ if (a == -1) {
+ System.out.println("请问是否要退出程序是“Y”否“N”");
+ char c = scan.next().charAt(0);
+ if (c == 'Y') {
+ break;
+ } else {
+ continue;
+ }
+ }
+ if (a <= 0) {
+ System.out.println("输入错误");
+ continue;
+ }
+
+ sum += a;
+ }
+ System.out.println("本次购物总金额为：" + sum);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo02.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c154216ddefe740c5e024d6a51019bbc7cc56842
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo02.java"
@@ -0,0 +1,17 @@
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ // 有一堆桃子，猴子第一天吃了一半，又多吃了一个，
+ // 第二天吃余下桃子的一半，又多吃一个，
+ // 第十天猴子想吃桃子，发现只剩一个，问第一天有多少个桃子
+
+ int a = 1;
+
+ for (int i = 1; i < 10; i++) {
+ a = (a + 1) * 2;
+ }
+ System.out.println("第一天有" + a + "个桃子");
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo03.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d6ae6219f818f9c3fd6b19c36b7ed3b3c86dfd67
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo03.java"
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ // 水仙花数
+ Scanner scan = new Scanner(System.in);
+ int a;
+ int b;
+ int c;
+
+ for (int i = 100; i < 1000; i++) {
+
+ a = i / 100;
+ b = i % 100 / 10;
+ c = i % 10;
+
+ int j = (a * a * a) + (b * b * b) + (c * c * c);
+ if (i == j) {
+ System.out.println("水仙花数为：" + i);
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo04.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..65663455935118760b13f0977a642a37dbfb64af
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo04.java"
@@ -0,0 +1,19 @@
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ // 乘法口訣表
+
+ for (int i = 1; i <= 9; i++) {
+ for (int j = 1; j <= 9; j++) {
+ if (j > i) {
+ break;
+ }
+ System.out.print(i + "*" + j + "=" + i * j + " ");
+ }
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo05.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ac22dbb7811ea3d2c69fa178a0489d32df518a7d
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo05.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ // 實心星號正方形
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("請輸入正方形邊長：");
+ int a = scan.nextInt();
+
+ for (int i = 0; i < a ; i++) {
+ for (int j = 1; j <= a; j++) {
+ System.out.print(" *");
+ }
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo06.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e08540120cfaebf2eff233b74126b59bec0ee67a
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo06.java"
@@ -0,0 +1,24 @@
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ // 空心正方形
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("請輸入正方形邊長：");
+ int a = scan.nextInt();
+
+ for (int i = 1; i <= a; i++) {
+ for (int j = 1; j <= a; j++) {
+ if (j==1||j==a||i==1||i==a ) {
+ System.out.print(" *");
+ }else {
+ System.out.print(" ");
+ }
+ }
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo07.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4c1298513c00fd67aa87f51c402ed20fff5b4eab
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo07.java"
@@ -0,0 +1,33 @@
+import java.util.Scanner;
+
+public class Demo07 {
+ public static void main(String[] args) {
+ // 找索引
+ Scanner scan = new Scanner(System.in);
+ int[] a = {19,28,37,46,50} ;
+
+ System.out.println("请输入索引：");
+ int b = scan.nextInt();
+
+ switch (b) {
+ case 1:
+ System.out.println(+a[0]);
+ break;
+ case 2:
+ System.out.println(+a[1]);
+ break;
+ case 3:
+ System.out.println(+a[2]);
+ break;
+ case 4:
+ System.out.println(a[3]);
+ break;
+ case 5:
+ System.out.println(a[4]);
+ break;
+ default:
+ System.out.println("输入错误。");
+ break;
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo08.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..aabf69da8c2f537cbe3227f6f0450655e7e63f3c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo08.java"
@@ -0,0 +1,30 @@
+import java.util.Iterator;
+import java.util.Scanner;
+
+public class Demo08 {
+
+ public static void main(String[] args) {
+ // 打印菱形
+
+ for (int i = 1; i <= 5; i++) {
+ for (int j = 1; j <=5-i; j++) {
+ System.out.print(" ");
+ }
+ for (int k = 1; k <= 2*i-1 ; k++) {
+ System.out.print(" *");
+ }
+ System.out.println();
+ }
+ for (int i = 1; i <=4 ; i++) {
+ for (int j = 1; j <=i ; j++) {
+ System.out.print(" ");
+ }
+ for (int k = 7; k >= 2*i-1; k--) {
+ System.out.print(" *");
+ }
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo09.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo09.java"
new file mode 100644
index 0000000000000000000000000000000000000000..77b20e9385a8b58ce123ad295ca82eceb1ace1ce
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo09.java"
@@ -0,0 +1,39 @@
+import java.util.Scanner;
+
+public class Demo09 {
+
+ public static void main(String[] args) {
+ // 评委评分
+ Scanner scan = new Scanner(System.in);
+ int[] a = new int[6];
+
+ for (int i = 0; i < a.length; i++) {
+ System.out.println("请输入你的打分：");
+ a[i] = scan.nextInt();
+ }
+
+ int max = a[0];
+ for (int i = 1; i < a.length; i++) {
+ if(max < a[i]) {
+ max = a[i];
+ }
+ }
+
+ int min = a[0];
+ for (int i = 1; i < a.length; i++) {
+ if(a[i]i)) {
+ System.out.print(i+"*"+j+"="+i*j+"\t");
+ }
+
+ }
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo05.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e07a074629eb04646ba50552f06fec5852246858
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo05.java"
@@ -0,0 +1,26 @@
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scanner=new Scanner(System.in);
+ System.out.println("请输入边长值：");
+ int a=Scanner.nextInt();
+ for (int i = 1; i <= a; i++) {
+ for (int j = 1; j <=a ; j++) {
+ if(i==1||j==a||j==1||i==a) {
+ System.out.print("*");
+ }else {
+ System.out.print(" ");
+ }
+
+ }
+ System.out.println();
+ }
+
+
+
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo06.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..371fbd9e9d1d1b2ce088f29291fba4256446afbe
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo06.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scanner=new Scanner(System.in);
+ System.out.println("请输入边长值：");
+ int a=Scanner.nextInt();
+ for (int i = 1; i <= a; i++) {
+ for (int j = 1; j <=a ; j++) {
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+
+ }
+ }
+
+
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo07.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..95b85040e463f7ea083b827669aae12688d35fa9
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo07.java"
@@ -0,0 +1,16 @@
+import java.util.Scanner;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scanner=new Scanner(System.in);
+ double [] a=new double[6];
+ for (int i = 1; i <= 6; i++) {
+ System.out.println("请输入边长值：");
+ int b=Scanner.nextInt();
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo08.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a397721bbcfb6586cb5dcf46b303456db29f90c7
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo08.java"
@@ -0,0 +1,30 @@
+import java.util.Scanner;
+
+public class Demo08 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int[6];
+ int sum=0;
+ for (int i = 0; i < 6; i++) {
+ System.out.println("请为选手评分");
+ a[i]=scanner.nextInt();
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for(int k=1;k<6;k++) {
+ if(maxa[g]) {
+ min=a[g];
+ }
+ }
+ System.out.println("选手最终得分为："+((sum-max-min)/4));
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo09.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo09.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4b788af4d00d6978bb8764db94a8476c445c5f87
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo09.java"
@@ -0,0 +1,16 @@
+import java.util.Scanner;
+
+public class Demo09 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ int arr[]= {19,28,37,46,50};
+ System.out.println("请输入一个有用的数据");
+ int i=scanner.nextInt();
+ int sum=arr[i];
+ System.out.println("索引值为："+sum);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo10.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo10.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6379d194b1625ccf3d4cc1dd4d8f3a24abc78786
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo10.java"
@@ -0,0 +1,28 @@
+import java.util.Scanner;
+
+public class Demo10 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for(int a=1;a<=5;a++) {
+ for(int b=1;b<=6-a;b++){
+ System.out.print(" ");
+ }
+ for(int b=1;b<=2*a-1;b++) {
+ System.out.print("*");
+ }
+ System.out.println("");
+ }
+
+ for(int g=1;g<=4;g++) {
+ for(int a=1;a<=g+1;a++) {
+ System.out.print(" ");
+ }
+ for(int b=1;b<=8-2*g;b++) {
+ System.out.print("*");
+ }
+ System.out.println("*");
+ }
+ }
+}
+
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo1.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..eda4e9743f638efb88f141971585d18d3c0de826
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo1.java"
@@ -0,0 +1,11 @@
+
+public class Demo1 {
+ public static void main(String[]args) {
+ for(int i=1;i<10;i++) {
+ for(int j=1;j<=i;j++) {
+ System.out.print(j+"*"+i+"="+i*j+"\t");
+ }
+ System.out.println("");
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..398e6a6499c954deec2c38aa1df98115be206fbf
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class Demo2 {
+ public static void main(String[]args) {
+ Scanner sca=new Scanner(System.in);
+ System.out.println("请输入行数：");
+ int i=sca .nextInt();
+ for(int a=1;a<=i;a++) {
+ for(int b=1;b<=i;b++) {
+ if (a==1||a==i||b==1||b==i) {
+ System.out.print("*");
+ }else {
+ System.out.print(" ");
+ }
+
+ }
+ System.out.println("");
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo3.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..efa6de65702c1ce5aaebfe26f85b12e8e86c4793
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo3.java"
@@ -0,0 +1,25 @@
+
+public class Demo3 {
+ public static void main(String[]args) {
+ for(int a=1;a<=5;a++) {
+ for(int b=1;b<=6-a;b++) {
+ System.out.print(" ");
+
+ }
+ for(int b=1;b<=2*a-1;b++) {
+ System.out.print("*");
+ }
+ System.out.println("");
+ }
+ for(int g=1;g<=4;g++) {
+ for(int a=1;a<=g+1;a++) {
+ System.out.print(" ");
+ }
+ for(int b=1;b<=8-2*g;b++) {
+ System.out.print("*");
+ }
+ System.out.println("*");
+ }
+
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo4.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0d679f52f98ecbf957cad7f084ca072788253687
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo4.java"
@@ -0,0 +1,21 @@
+import java.util.Scanner;
+
+public class Demo4 {
+ public static void main(String[]args) {
+ Scanner sca=new Scanner(System.in);
+ System.out.println("请输入行数：");
+ int i=sca .nextInt();
+ for(int a=1;a<=i;a++) {
+ for(int b=1;b<=i;b++) {
+ System.out.print("*");
+ if (b==5) {
+ System.out.print("\t");
+ }
+
+ }
+ System.out.println("");
+
+ }
+ }
+ }
+
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo5.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8a1b48f88b0f7302f9a01d978bdf1750974be3ab
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo5.java"
@@ -0,0 +1,24 @@
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[]args ) {
+ int sum=0;
+ int a;
+ Scanner scanner=new Scanner(System.in);
+ while (true) {
+ System.out.println("输入消费金额");
+ a=scanner.nextInt();
+ if(a<=0&&a!=-1) {
+ System.out.println("报错，");
+ continue;
+ }
+ if(a==-1) {
+ break;
+ }
+ sum+=a;
+ }
+ System.out.println("消费总额为："+sum);
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo6.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ba11af6c7d02a78e2d4a5fbe3da8b8d0b41aa36a
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo6.java"
@@ -0,0 +1,17 @@
+
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ int a=1;
+
+ Scanner scanner=new Scanner(System.in);
+ for (int i = 1; i < 10; i++) {
+ a=(a+1)*2;
+ }
+ System.out.println(a);
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo7.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c6cd093d788c449e93902ba8934f33577c8d3aa2
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo7.java"
@@ -0,0 +1,31 @@
+import java.util.Scanner;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ //需求：在编程竞赛中，有6个评委为参赛的选手打分，分数为0-100的整数分。
+ // 选手的最后得分为：去掉一个最高分和一个最低分后 的4个评委平均值 (不考虑小数部分)。
+ //补充说明：在控制台输入评委的评分后，输出选手的最终得分。
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int[6];
+ int sum=0;
+ for (int i = 0; i < 6; i++) {
+ System.out.println("请为选手评分");
+ a[i]=scanner.nextInt();
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for(int k=1;k<6;k++) {
+ if(maxa[g]) {
+ min=a[g];
+ }
+ }
+ System.out.println("选手最终得分为："+((sum-max-min)/4));
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo8.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..985f792acbc6d84f19befe8f7f7085479fb72b47
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo8.java"
@@ -0,0 +1,17 @@
+
+public class Demo8 {
+ public static void main(String[]args) {
+ int a;
+ int b;
+ int c;
+ for(int i=100;i<1000;i++) {
+ a=i/100;
+ b=i%100/10;
+ c=i%100%10;
+ if ((a*a*a)+(b*b*b)+(c*c*c)==i) {
+ System.out.println("水仙花数为："+i);
+ }
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo9.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo9.java"
new file mode 100644
index 0000000000000000000000000000000000000000..560360000e13677a9a830370b8b0faec5f264f5f
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo9.java"
@@ -0,0 +1,20 @@
+
+import java.util.Scanner;
+
+public class Demo9 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ /** 需求：
+ // 已知一个数组 arr = {19, 28, 37, 46, 50}; 键盘录入一个数据，查找该数据在数组中的索引，
+ // 并在控制台输出找到的索引值。
+ *
+ */
+ int arr[]= {19,28,37,46,50};
+ System.out.println("请输入一个有用的数据");
+ int i=scanner.nextInt();
+ int sum=arr[i];
+ System.out.println("索引值为："+sum);
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\211\223\345\215\260\344\271\235\344\271\235\344\271\230\346\263\225\350\241\250.txt" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\211\223\345\215\260\344\271\235\344\271\235\344\271\230\346\263\225\350\241\250.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..172dad7894ae074fb64e447a03b0f1466312cdd4
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\211\223\345\215\260\344\271\235\344\271\235\344\271\230\346\263\225\350\241\250.txt"
@@ -0,0 +1,9 @@
+1 * 1 = 1
+2 * 1 = 2 2 * 2 = 4
+3 * 1 = 3 3 * 2 = 6 3 * 3 = 9
+4 * 1 = 4 4 * 2 = 8 4 * 3 = 12 4 * 4 = 16
+5 * 1 = 5 5 * 2 = 10 5 * 3 = 15 5 * 4 = 20 5 * 5 = 25
+6 * 1 = 6 6 * 2 = 12 6 * 3 = 18 6 * 4 = 24 6 * 5 = 30 6 * 6 = 36
+7 * 1 = 7 7 * 2 = 14 7 * 3 = 21 7 * 4 = 28 7 * 5 = 35 7 * 6 = 42 7 * 7 = 49
+8 * 1 = 8 8 * 2 = 16 8 * 3 = 24 8 * 4 = 32 8 * 5 = 40 8 * 6 = 48 8 * 7 = 56 8 * 8 = 64
+9 * 1 = 9 9 * 2 = 18 9 * 3 = 27 9 * 4 = 36 9 * 5 = 45 9 * 6 = 54 9 * 7 = 63 9 * 8 = 72 9 * 9 = 81
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\211\223\345\215\260\345\256\236\345\277\203\346\255\243\346\226\271\345\275\242.txt" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\211\223\345\215\260\345\256\236\345\277\203\346\255\243\346\226\271\345\275\242.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..831da2a251a59cf0e36c1c17f34e5795a016eb51
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\211\223\345\215\260\345\256\236\345\277\203\346\255\243\346\226\271\345\275\242.txt"
@@ -0,0 +1,8 @@
+用户输入正方形边长，用*打印出实心正方形。
+
+如：用户输入5，则输出如下图形。
+*****
+*****
+*****
+*****
+*****
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\211\223\345\215\260\347\251\272\345\277\203\346\255\243\346\226\271\345\275\242.txt" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\211\223\345\215\260\347\251\272\345\277\203\346\255\243\346\226\271\345\275\242.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..272a5a2ad1c444d77013aef6a40efc064c8e724a
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\211\223\345\215\260\347\251\272\345\277\203\346\255\243\346\226\271\345\275\242.txt"
@@ -0,0 +1,8 @@
+用户输入正方形边长，用*打印出空心正方形。
+
+如：用户输入5，则输出如下图形。
+*****
+* *
+* *
+* *
+*****
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\211\223\345\215\260\350\217\261\345\275\242.txt" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\211\223\345\215\260\350\217\261\345\275\242.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..3d193acc2eaf313188a9546d0b46b585eecce535
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\211\223\345\215\260\350\217\261\345\275\242.txt"
@@ -0,0 +1 @@
+参见课本P117
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\211\276\347\264\242\345\274\225.txt" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\211\276\347\264\242\345\274\225.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..08ff41151042a0a664896e740141df11d1d9bb56
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\211\276\347\264\242\345\274\225.txt"
@@ -0,0 +1,3 @@
+需求：
+ 已知一个数组 arr = {19, 28, 37, 46, 50}; 键盘录入一个数据，查找该数据在数组中的索引，并在控
+ 制台输出找到的索引值。
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\260\264\344\273\231\350\212\261\346\225\260.txt" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\260\264\344\273\231\350\212\261\346\225\260.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..2bf35edaa351c7d73e7df9007719ed23d3de7623
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\346\260\264\344\273\231\350\212\261\346\225\260.txt"
@@ -0,0 +1,4 @@
+需求：在控制台输出所有的“水仙花数”
+解释：什么是水仙花数？
+ 水仙花数，指的是一个三位数，个位、十位、百位的数字立方和等于原数
+ 例如: 153 1*1*1 + 5*5*5 + 3*3*3 = 153
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\347\214\264\345\255\220\345\220\203\346\241\203\345\255\220.txt" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\347\214\264\345\255\220\345\220\203\346\241\203\345\255\220.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..ae32cfd96c7a09cdd2287da6abb5e76ba40172aa
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\347\214\264\345\255\220\345\220\203\346\241\203\345\255\220.txt"
@@ -0,0 +1 @@
+有一堆桃子，猴子第一天吃了一半，又多吃了一个，第二天吃余下桃子的一半，又多吃一个，第十天猴子想吃桃子，发现只剩一个，问第一天有多少个桃子
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\350\257\204\345\247\224\350\257\204\345\210\206.txt" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\350\257\204\345\247\224\350\257\204\345\210\206.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..f75adea5845928027be7677c3559572f7035e892
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\350\257\204\345\247\224\350\257\204\345\210\206.txt"
@@ -0,0 +1,3 @@
+需求：在编程竞赛中，有6个评委为参赛的选手打分，分数为0-100的整数分。
+ 选手的最后得分为：去掉一个最高分和一个最低分后 的4个评委平均值 (不考虑小数部分)。
+补充说明：在控制台输入评委的评分后，输出选手的最终得分。
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\350\264\255\347\211\251\351\207\221\351\242\235\350\256\241\347\256\227.txt" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\350\264\255\347\211\251\351\207\221\351\242\235\350\256\241\347\256\227.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..09fd5931fb741a97dba7974ddbd23c56c517d3b4
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\350\264\255\347\211\251\351\207\221\351\242\235\350\256\241\347\256\227.txt"
@@ -0,0 +1,2 @@
+请用户输入购买商品的金额，直到输入-1为止，并求出本次购物的总金额。
+注意：当用户输入的金额小于或等于0时，打印报错信息，并且本次输入不列入总金额计算。
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Cfb.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Cfb.java"
new file mode 100644
index 0000000000000000000000000000000000000000..63e0d3ecd945a5bb7d5a6501a1cbc6a6d5b20e91
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Cfb.java"
@@ -0,0 +1,24 @@
+package cm.md.lession;
+
+import java.util.Arrays;
+import java.util.Scanner;
+
+public class Cfb {
+
+ public static void main(String[] args) {
+// // 已知一个数组 arr = {19, 28, 37, 46, 50}; 键盘录入一个数据，查找该数据在数组中的索引，并在控
+// // 制台输出找到的索引值。
+ Scanner scanner = new Scanner(System.in);
+
+ for (int i = 1; i < 10; i++) {
+ for (int j = 1; j < 10; j++) {
+ if(j<=i) {
+ System.out.print(i+"*"+ j +"="+(i*j)+"\t");
+ }
+ }
+ System.out.println();
+ }
+ }
+
+}
+
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Fengshu.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Fengshu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..42042014d6c7fa4c841d0457e53c3f5b51a6ee9c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Fengshu.java"
@@ -0,0 +1,39 @@
+package cm.md.lession;
+
+import java.util.Scanner;
+
+public class Fengshu {
+
+ public static void main(String[] args) {
+// 需求：在编程竞赛中，有6个评委为参赛的选手打分，分数为0-100的整数分。
+// 选手的最后得分为：去掉一个最高分和一个最低分后 的4个评委平均值 (不考虑小数部分)。
+// 补充说明：在控制台输入评委的评分后，输出选手的最终得分。
+ Scanner scanner = new Scanner(System.in);
+ int sum= 0;
+ int max= 0;
+ int min= 0;
+
+
+ int a[]=new int [6];
+ for (int i = 0; i < 6; i++) {
+ System.out.println("请输入第"+(i+1)+"位评委的评分");
+ a[i] = scanner.nextInt();
+
+ sum = sum +a[i];
+ if (a[i]<0 || a[i]>100) {
+ System.out.println("输入错误");
+ }
+ if(a[i]>max) {
+ max=a[i];
+ }
+ if(a[i]c) {
+ c=a[i];}
+ if(a[i]=2; i--) {
+ a=(a+1)*2;
+ }
+ System.out.println(a);
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Zhengfanxing.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Zhengfanxing.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9f6dde833b3857b1a3f45b2ce08bf56aa4e7279f
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Zhengfanxing.java"
@@ -0,0 +1,24 @@
+package c;
+
+import java.util.Scanner;
+
+public class Zhengfanxing {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("伪叱");
+ int a=scanner.nextInt();
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ System.out.print(" "
+ + "*");
+ }
+ System.out.println("");
+
+
+ }
+
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Zje.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Zje.java"
new file mode 100644
index 0000000000000000000000000000000000000000..49c04bf3c3422c35a6355303cfcb0626abad88db
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Zje.java"
@@ -0,0 +1,30 @@
+package cm.md.lession;
+
+import java.util.Scanner;
+
+public class Zje {
+
+ public static void main(String[] args) {
+// 请用户输入购买商品的金额，直到输入-1为止，并求出本次购物的总金额。
+// 注意：当用户输入的金额小于或等于0时，打印报错信息，并且本次输入不列入总金额计算。
+ Scanner scanner = new Scanner(System.in);
+ int sum=0;
+
+ while (true) {
+ System.out.println("请输入金额");
+ int a=scanner.nextInt();
+
+ if(a<=0) {
+ System.out.println("打印报错");
+ }
+ if(a==-1) {
+ break;
+ }
+ else {
+ sum=sum+a;
+ }
+ System.out.println(+sum);
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/konzhengfangxing.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/konzhengfangxing.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d3075aa273f610ea88643267e6d7998fccaae321
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/konzhengfangxing.java"
@@ -0,0 +1,28 @@
+package c;
+
+import java.util.Scanner;
+
+public class konzhengfangxing {
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("伪叱");
+ int a=scanner.nextInt();
+
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ if(i==0||i==a-1||j==0||j==a-1) {
+ System.out.print(" *");
+ }
+ else {
+ System.out.print(" ");
+ }
+
+ }
+ System.out.println();
+
+
+ }
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo1.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..44458b0605cc287c9285c1774bb986312c369e9a
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo1.java"
@@ -0,0 +1,15 @@
+package com.md.lession7;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for(int i=1;i<10;i++) {
+ for(int j=1;j<=i;j++) {
+ System.out.print(j+"*"+i+"="+i*j+"\t");
+ }
+ System.out.println("");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo2.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..dc242e96eaf039904aa60cb130f75164ff1cb19c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo2.java"
@@ -0,0 +1,25 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner sca=new Scanner(System.in);
+ System.out.println("");
+ int i=sca .nextInt();
+ for(int a=1;a<=i;a++) {
+ for(int b=1;b<=i;b++) {
+ if (a==1||a==i||b==1||b==i) {
+ System.out.print("*");
+ }else {
+ System.out.print(" ");
+ }
+
+ }
+ System.out.println("");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo3.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0c879733aa9f06ed5e1d8f59a5fc8f2203be9360
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo3.java"
@@ -0,0 +1,28 @@
+package com.md.lession7;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for(int a=1;a<=5;a++) {
+ for(int b=1;b<=6-a;b++) {
+ System.out.print(" ");
+
+ }
+ for(int b=1;b<=2*a-1;b++) {
+ System.out.print("*");
+ }
+ System.out.println("");
+ }
+ for(int g=1;g<=4;g++) {
+ for(int a=1;a<=g+1;a++) {
+ System.out.print(" ");
+ }
+ for(int b=1;b<=8-2*g;b++) {
+ System.out.print("*");
+ }
+ System.out.println("*");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo4.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2cc816249182844ed1d577669190f058be7e696b
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo4.java"
@@ -0,0 +1,25 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner sca=new Scanner(System.in);
+ System.out.println("");
+ int i=sca .nextInt();
+ for(int a=1;a<=i;a++) {
+ for(int b=1;b<=i;b++) {
+ System.out.print("*");
+ if (b==5) {
+ System.out.print("\t");
+ }
+
+ }
+ System.out.println("");
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo5.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..98a588ad608f70c6451aa27e51b4f4be12573623
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo5.java"
@@ -0,0 +1,27 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum=0;
+ int a;
+ Scanner scanner=new Scanner(System.in);
+ while (true) {
+ System.out.println("输入消费金额");
+ a=scanner.nextInt();
+ if(a<=0&&a!=-1) {
+ System.out.println("报错，");
+ continue;
+ }
+ if(a==-1) {
+ break;
+ }
+ sum+=a;
+ }
+ System.out.println("消费总额为："+sum);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo6.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e450c40e9fef2a70e70f25c8825954ed3a546877
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo6.java"
@@ -0,0 +1,18 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a=1;
+
+ Scanner scanner=new Scanner(System.in);
+ for (int i = 1; i < 10; i++) {
+ a=(a+1)*2;
+ }
+ System.out.println(a);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo7.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..56fab878983c7337fee54521d9295f485d51fa2e
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo7.java"
@@ -0,0 +1,32 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int[6];
+ int sum=0;
+ for (int i = 0; i < 6; i++) {
+ System.out.println("请为选手评分");
+ a[i]=scanner.nextInt();
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for(int k=1;k<6;k++) {
+ if(maxa[g]) {
+ min=a[g];
+ }
+ }
+ System.out.println("选手最终得分为："+((sum-max-min)/4));
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo8.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f85f58de92e7bcfc423f752e4e53ef1407982615
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo8.java"
@@ -0,0 +1,20 @@
+package com.md.lession7;
+
+public class Demo8 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a;
+ int b;
+ int c;
+ for(int i=100;i<1000;i++) {
+ a=i/100;
+ b=i%100/10;
+ c=i%100%10;
+ if ((a*a*a)+(b*b*b)+(c*c*c)==i) {
+ System.out.println(""+i);
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo9.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo9.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cc07c4854e3302ac41fac0b2dc812be19187796b
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo9.java"
@@ -0,0 +1,17 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo9 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int arr[]= {19,28,37,46,50};
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入一个有用的数据");
+ int i=scanner.nextInt();
+ int sum=arr[i];
+ System.out.println("索引值为："+sum);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L01.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..65e28fae80f17cd48a20255114c04b126ea6a8ef
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L01.java"
@@ -0,0 +1,17 @@
+
+public class L01 {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int x=1;
+
+
+ for (int i = 0; i < 9; i++) {
+
+ x=(x+1)*2;
+
+
+ System.out.println("芄思"+x);
+
+ }
+}
+ }
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L02.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e5e049c124dc0f8779b7902fde8f8c10ab72a7c3
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L02.java"
@@ -0,0 +1,32 @@
+
+public class L02 {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int a = 0;
+ int b;
+ for (int i = 0; i <4; i++) {
+ System.out.println("请输入金额");
+ b = scan.nextInt();
+
+
+
+ if (b==-1) {
+
+ break;
+
+ }
+ if (b<=0) {
+ System.out.println("输入报错");
+ continue;
+
+
+ }
+ a=a+b;
+
+ }
+ System.out.println("总金额是"+a);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L03.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ecc6ce3df85e5bc43207a4e9cca6d3bfac60c6f6
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L03.java"
@@ -0,0 +1,28 @@
+
+public class L03 {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1; i < 6; i++) {
+ for(int a=1;a<=6-i;a++){
+ System.out.print(" ");
+ }
+
+ for(int b=1;b<=2*i-1;b++) {
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+ for (int j = 1; j <= 4; j++) {
+ for(int c=1;c<=j+1;c++){
+ System.out.print(" ");
+
+ }
+
+ for(int d=1;d<=9-2*j;d++) {
+ System.out.print("*");
+ }
+ System.out.println();
+
+ }
+
+}}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L04.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..289d0f054b8022f634035c477a7d8af7a3d9d26d
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L04.java"
@@ -0,0 +1,30 @@
+
+public class L04 {
+ // TODO Auto-generated method stub
+ int sum=0;
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int [5];
+ for(int i=0;i<5;i++) {
+ System.out.println("输入员工的年龄");
+ a[i]=scanner.nextInt();
+
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for (int c=1;c<5;c++) {
+ if(maxa[e]) {
+ min=a[e];
+ }
+ }
+ System.out.println("平均年龄为："+sum/5);
+ System.out.println("年龄最大为："+max);
+ System.out.println("年龄最小为："+min);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L05.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b956843afb379364c152f50b276ad6d5939053ff
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L05.java"
@@ -0,0 +1,27 @@
+
+public class L05 {
+ public static void main(String[] args) {
+
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int[6];
+ int sum=0;
+ for (int i = 0; i < 6; i++) {
+ System.out.println("请为选手评分");
+ a[i]=scanner.nextInt();
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for(int k=1;k<6;k++) {
+ if(maxa[g]) {
+ min=a[g];
+ }
+ }
+ System.out.println("选手最终得分为："+((sum-max-min)/4));
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L06.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..874720f39511d0c17e8e0e0b44f221cf6e088328
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L06.java"
@@ -0,0 +1,29 @@
+
+public class L06 {
+ public static void main(String[] args) {
+ for(int i=1;i<=5;i++) {
+ for(int a=1;a<=6-i;a++){
+ System.out.print(" ");
+ }
+
+ for(int b=1;b<=2*i-1;b++) {
+ System.out.print("*");
+
+ }
+ System.out.println();
+ }
+ for(int g=1;g<=4;g++) {
+ for(int a=1;a<=g+1;a++){
+ System.out.print(" ");
+ }
+
+ for(int b=1;b<=9-2*g;b++) {
+ System.out.print("*");
+
+ }
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo1.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3404fcc76c8cf7011e1797ce50f95b9b5a0c9163
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo1.java"
@@ -0,0 +1,38 @@
+package com.md.lesson01;
+
+import java.text.BreakIterator;
+import java.util.Scanner;
+import java.util.concurrent.BrokenBarrierException;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ int sum = 0;
+
+ for (int i = 0; i < 5; i++) {
+ System.out.println("请输入买商品的金额：");
+ int a =scanner.nextInt();
+ sum = sum + a;
+ System.out.println(a+"元");
+
+ if (a>-1 && a<0 && a<-1) {
+ System.out.println("金额错误 ! 重新输入。");
+ continue;
+
+
+ }
+ if (a==-1) {
+ System.out.println("sum="+sum);
+ break;
+
+
+ }
+
+
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo2.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4acb542dc21e2feaaa906e537eb7a2a840dd6752
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo2.java"
@@ -0,0 +1,15 @@
+package com.md.lesson01;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ int a =1;
+
+ for (int i = 0; i < 10; i++) {
+ System.out.println("第" +(10-i)+ "天的桃子数量为" +a);
+ a = a*2+2;
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo3.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e1fa25e83a2740fab285bb9e59dcc90b7a6b775b
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo3.java"
@@ -0,0 +1,22 @@
+package com.md.lesson01;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ int num1;
+ int num2;
+ int num3;
+ for (int i = 100; i < 999; i++) {
+ num1 = i/100;
+ num2 = i/10;
+ num2 = num2%10;
+ num3 = i%10;
+ if(num1*num1*num1+num2*num2*num2+num3*num3*num3==i){
+ System.out.println("水仙花数有：" +i);
+ }
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo4.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..757c5cd635f11a72f2ad3d7b75efd0b4e80e3802
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo4.java"
@@ -0,0 +1,18 @@
+package com.md.lesson01;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ for (int i = 1; i <= 9; i++) {
+ for (int j = 1; j <=9; j++) {
+ if (i>=j) {
+ System.out.print(i + "*" + j + "=" + i*j +"\t");
+
+ }
+ }
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo5.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a529a17dba0be2d85ebbddf4b554cd2a6aa55c82
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo5.java"
@@ -0,0 +1,27 @@
+package com.md.lesson01;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入正方形的边长：");
+ int a =scanner.nextInt();
+
+
+
+
+ for (int i = 0; i arr[x]) {
+ min = arr[x];
+ }
+ }
+ return min;
+ }
+
+ public static int sum(int[] arr) {
+ int sum = 0;
+ for (int x = 0; x < arr.length; x++) {
+
+ sum += arr[x];
+ }
+ return sum;
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Demo9.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Demo9.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d6a3605be972a1ffa9f323aba424b555772bb123
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Demo9.java"
@@ -0,0 +1,46 @@
+package lession1;
+
+public class Demo9 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1; i <= 4; i++) {
+
+ for (int j = 1; j <= 4 - i; j++) {
+
+ System.out.print(" ");
+
+ }
+
+ for (int z = 1; z <= i * 2 - 1; z++) {
+
+ System.out.print("*");
+
+ }
+
+ System.out.println();
+
+ }
+
+ for (int i = 1; i <= 3; i++) {
+
+ for (int j = 1; j <= i; j++) {
+
+ System.out.print(" ");
+
+ }
+
+ int y = 3;
+
+ for (int z = 5; z >= 2 * i - 1; z--) {
+
+ System.out.print("*");
+
+ }
+
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo01.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9be22a34333c90fd4ede1f9eb7120333e8677f7e
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo01.java"
@@ -0,0 +1,25 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[]args ) {
+ int sum=0;
+ int a;
+ Scanner scanner=new Scanner(System.in);
+ while (true) {
+ System.out.println("输入消费金额");
+ a=scanner.nextInt();
+ if(a<=0&&a!=-1) {
+ System.out.println("报错，");
+ continue;
+ }
+ if(a==-1) {
+ break;
+ }
+ sum+=a;
+ }
+ System.out.println("消费总额为："+sum);
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo02.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d661fb8ba597d47a696502ce76c4c275814611a2
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo02.java"
@@ -0,0 +1,17 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ int a=1;
+
+ Scanner scanner=new Scanner(System.in);
+ for (int i = 1; i < 10; i++) {
+ a=(a+1)*2;
+ }
+ System.out.println(a);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo03.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3be1bed39114dc782f34e8483cdec96e7ddd6f8c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo03.java"
@@ -0,0 +1,19 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ for (int i = 100; i <= 999; i++) {
+ int b = i / 100;
+ int c = i % 100 / 10;
+ int d = i % 100 % 10;
+ if ((b * b * b + c * c * c + d * d * d) == i) {
+ System.out.println(i + "是水仙花数");
+ }
+ }
+ }
+
+}
+
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo04.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..caede1c6ab0cc9d85260ce5335669eb111e51111
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo04.java"
@@ -0,0 +1,15 @@
+package lession;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ for(int i=1 ;i<10;i++) {
+ for(int x=1;x<=i;x++) {
+ System.out.print(x+"*"+i+"="+(x*i)+"\t");
+ }
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo05.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9e1584fedb6d2acfc4214e5b96323d5cf8bce808
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo05.java"
@@ -0,0 +1,19 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("输入正方形的边长");
+ int i=scanner.nextInt();
+ for(int a=1;a<=i;a++) {
+ for(int b=1;b<=i;b++) {
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo06.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7eb75a16cd73034a636eb71484641adaf5a8c902
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo06.java"
@@ -0,0 +1,25 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("输入正方形的边长");
+ int i=scanner.nextInt();
+ for(int a=1;a<=i;a++) {
+ for(int b=1;b<=i;b++) {
+ if(a==1||a==i||b==1||b==i) {
+ System.out.print("*");}
+ else {
+ System.out.print(" ");
+ }
+ }
+
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo07.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b9994b5775f113ec9f2ce9320747103d9e117d50
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo07.java"
@@ -0,0 +1,33 @@
+package ht;
+
+import java.util.Scanner;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+ int sum=0;
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int [5];
+ for(int i=0;i<5;i++) {
+ System.out.println("输入员工的年龄");
+ a[i]=scanner.nextInt();
+
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for (int c=1;c<5;c++) {
+ if(maxa[e]) {
+ min=a[e];
+ }
+ }
+ System.out.println("平均年龄为："+(sum/5));
+ System.out.println("年龄最大为："+max);
+ System.out.println("年龄最小为："+min);
+}
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo08.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..89932a629ff7b763f049e6008655e8b0b3882738
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo08.java"
@@ -0,0 +1,33 @@
+package ht;
+
+import java.util.Scanner;
+
+public class Demo08 {
+
+ public static void main(String[] args) {
+ //需求：在编程竞赛中，有6个评委为参赛的选手打分，分数为0-100的整数分。
+ // 选手的最后得分为：去掉一个最高分和一个最低分后 的4个评委平均值 (不考虑小数部分)。
+ //补充说明：在控制台输入评委的评分后，输出选手的最终得分。
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int[6];
+ int sum=0;
+ for (int i = 0; i < 6; i++) {
+ System.out.println("请为选手评分");
+ a[i]=scanner.nextInt();
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for(int k=1;k<6;k++) {
+ if(maxa[g]) {
+ min=a[g];
+ }
+ }
+ System.out.println("选手最终得分为："+((sum-max-min)/4));
+}
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo09.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo09.java"
new file mode 100644
index 0000000000000000000000000000000000000000..99b41336ca6efe8914b4f1ddde528cf9e4efccda
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo09.java"
@@ -0,0 +1,19 @@
+package ht;
+
+import java.util.Scanner;
+
+public class Demo09 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ // 需求：
+ // 已知一个数组 arr = {19, 28, 37, 46, 50}; 键盘录入一个数据，查找该数据在数组中的索引，
+ // 并在控制台输出找到的索引值。
+ int arr[]= {19,28,37,46,50};
+ System.out.println("请输入一个有用的数据");
+ int i=scanner.nextInt();
+ int sum=arr[i];
+ System.out.println("索引值为："+sum);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo10.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo10.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0cc115d75a8117b88a9ff3453efe3612241760f3
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo10.java"
@@ -0,0 +1,31 @@
+package ht;
+
+public class Demo10 {
+
+ public static void main(String[] args) {
+ for(int i=1;i<=5;i++) {
+ for(int a=1;a<=6-i;a++){
+ System.out.print(" ");
+ }
+
+ for(int b=1;b<=2*i-1;b++) {
+ System.out.print("*");
+
+ }
+ System.out.println();
+ }
+ for(int g=1;g<=4;g++) {
+ for(int a=1;a<=g+1;a++){
+ System.out.print(" ");
+ }
+
+ for(int b=1;b<=9-2*g;b++) {
+ System.out.print("*");
+
+ }
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo1.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..55e85db10fbe0f333bee2ceb41954c11b110d9dc
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo1.java"
@@ -0,0 +1,12 @@
+package Lession1;
+
+public class Demo1 {
+ public static void main(String[] args) {
+ int a = 1;
+ for (int i = 1; i<10; i++) {
+ a=(a+1)*2;
+ System.out.println(a);
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo2.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a1dd519b1a11dd84762a3074d24dca73c437a311
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo2.java"
@@ -0,0 +1,24 @@
+package Lession1;
+
+public class Demo2 {
+
+
+ public static void main(String[] args) {
+ int a=0;
+ int b=0;
+ int c=0;
+
+
+ for (int i = 100; i <=999; i++) {
+ a=i%10;
+ b=i/10%10;
+ c=i/100;
+ if (a*a*a+b*b*b+c*c*c==i) {
+ System.out.println(i);
+ }
+
+
+ }
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo3.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..69d53d95628f2b2095df19e7ec8d4bb214886528
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo3.java"
@@ -0,0 +1,18 @@
+package Lession1;
+import java.util.Scanner;
+public class Demo3 {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入一个数字");
+ int a = scan.nextInt();
+
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ System.out.print("*");
+
+ }
+ System.out.println();
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo4.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..844c0fbe76a67b2c9cda79403eeb9db5f7c78278
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo4.java"
@@ -0,0 +1,28 @@
+package Lession1;
+
+import java.util.Scanner;
+
+public class Demo4 {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入一个数字");
+ int a = scan.nextInt();
+
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+
+ if (i==0||i==a-1||j==0||j==a-1) {
+ System.out.print("*");
+
+ } else {
+ System.out.print(" ");
+
+ }
+
+ }
+ System.out.println();
+ }
+ }
+}
+
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo5.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1c3669344ca7b4cdc3d35b96c475871ca4ab9fc7
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo5.java"
@@ -0,0 +1,35 @@
+package Lession1;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum=0;
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int [5];
+ for(int i=0;i<5;i++) {
+ System.out.println("输入员工的年龄");
+ a[i]=scanner.nextInt();
+
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for (int c=1;c<5;c++) {
+ if(maxa[e]) {
+ min=a[e];
+ }
+ }
+ System.out.println("平均年龄为："+sum/5);
+ System.out.println("年龄最大为："+max);
+ System.out.println("年龄最小为："+min);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo6.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fdcef762192e01c1719be44f25d252cd8ce36500
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo6.java"
@@ -0,0 +1,36 @@
+package Lession1;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int a = 0;
+ int b;
+ for (int i = 0; i <4; i++) {
+ System.out.println("请输入金额");
+ b = scan.nextInt();
+
+
+
+ if (b==-1) {
+
+ break;
+
+ }
+ if (b<=0) {
+ System.out.println("输入报错");
+ continue;
+
+
+ }
+ a=a+b;
+
+ }
+ System.out.println("总金额是"+a);
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo1.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..44458b0605cc287c9285c1774bb986312c369e9a
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo1.java"
@@ -0,0 +1,15 @@
+package com.md.lession7;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for(int i=1;i<10;i++) {
+ for(int j=1;j<=i;j++) {
+ System.out.print(j+"*"+i+"="+i*j+"\t");
+ }
+ System.out.println("");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo2.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..dc242e96eaf039904aa60cb130f75164ff1cb19c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo2.java"
@@ -0,0 +1,25 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner sca=new Scanner(System.in);
+ System.out.println("");
+ int i=sca .nextInt();
+ for(int a=1;a<=i;a++) {
+ for(int b=1;b<=i;b++) {
+ if (a==1||a==i||b==1||b==i) {
+ System.out.print("*");
+ }else {
+ System.out.print(" ");
+ }
+
+ }
+ System.out.println("");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo3.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0c879733aa9f06ed5e1d8f59a5fc8f2203be9360
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo3.java"
@@ -0,0 +1,28 @@
+package com.md.lession7;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for(int a=1;a<=5;a++) {
+ for(int b=1;b<=6-a;b++) {
+ System.out.print(" ");
+
+ }
+ for(int b=1;b<=2*a-1;b++) {
+ System.out.print("*");
+ }
+ System.out.println("");
+ }
+ for(int g=1;g<=4;g++) {
+ for(int a=1;a<=g+1;a++) {
+ System.out.print(" ");
+ }
+ for(int b=1;b<=8-2*g;b++) {
+ System.out.print("*");
+ }
+ System.out.println("*");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo4.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2cc816249182844ed1d577669190f058be7e696b
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo4.java"
@@ -0,0 +1,25 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner sca=new Scanner(System.in);
+ System.out.println("");
+ int i=sca .nextInt();
+ for(int a=1;a<=i;a++) {
+ for(int b=1;b<=i;b++) {
+ System.out.print("*");
+ if (b==5) {
+ System.out.print("\t");
+ }
+
+ }
+ System.out.println("");
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo5.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..98a588ad608f70c6451aa27e51b4f4be12573623
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo5.java"
@@ -0,0 +1,27 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum=0;
+ int a;
+ Scanner scanner=new Scanner(System.in);
+ while (true) {
+ System.out.println("输入消费金额");
+ a=scanner.nextInt();
+ if(a<=0&&a!=-1) {
+ System.out.println("报错，");
+ continue;
+ }
+ if(a==-1) {
+ break;
+ }
+ sum+=a;
+ }
+ System.out.println("消费总额为："+sum);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo6.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e450c40e9fef2a70e70f25c8825954ed3a546877
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo6.java"
@@ -0,0 +1,18 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a=1;
+
+ Scanner scanner=new Scanner(System.in);
+ for (int i = 1; i < 10; i++) {
+ a=(a+1)*2;
+ }
+ System.out.println(a);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo7.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..56fab878983c7337fee54521d9295f485d51fa2e
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo7.java"
@@ -0,0 +1,32 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int[6];
+ int sum=0;
+ for (int i = 0; i < 6; i++) {
+ System.out.println("请为选手评分");
+ a[i]=scanner.nextInt();
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for(int k=1;k<6;k++) {
+ if(maxa[g]) {
+ min=a[g];
+ }
+ }
+ System.out.println("选手最终得分为："+((sum-max-min)/4));
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo8.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f85f58de92e7bcfc423f752e4e53ef1407982615
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo8.java"
@@ -0,0 +1,20 @@
+package com.md.lession7;
+
+public class Demo8 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a;
+ int b;
+ int c;
+ for(int i=100;i<1000;i++) {
+ a=i/100;
+ b=i%100/10;
+ c=i%100%10;
+ if ((a*a*a)+(b*b*b)+(c*c*c)==i) {
+ System.out.println(""+i);
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo9.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo9.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cc07c4854e3302ac41fac0b2dc812be19187796b
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo9.java"
@@ -0,0 +1,17 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo9 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int arr[]= {19,28,37,46,50};
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入一个有用的数据");
+ int i=scanner.nextInt();
+ int sum=arr[i];
+ System.out.println("索引值为："+sum);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo01.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..349be09d5414747c8d8e2f6773c641541722c008
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo01.java"
@@ -0,0 +1,21 @@
+package wqewqwe;
+
+public class HOUzi {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int x=1;
+
+
+ for (int i = 0; i < 9; i++) {
+
+ x=(x+1)*2;
+
+
+ System.out.println("总共吃了几个桃子"+x);
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo02.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..845f3d640d897f2b7db6788275afef47b7079dec
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo02.java"
@@ -0,0 +1,36 @@
+package wqewqwe;
+
+import java.util.Scanner;
+
+public class JINe {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int a = 0;
+ int b;
+ for (int i = 0; i <4; i++) {
+ System.out.println("请输入金额");
+ b = scan.nextInt();
+
+
+
+ if (b==-1) {
+
+ break;
+
+ }
+ if (b<=0) {
+ System.out.println("输入报错");
+ continue;
+
+
+ }
+ a=a+b;
+
+ }
+ System.out.println("总金额是"+a);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo03.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e9fdfe6ee7fd1a9722a9dbd8dd2c22a28b528fa8
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo03.java"
@@ -0,0 +1,19 @@
+package wqewqwe;
+
+public class jiujiu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ for (int i = 1; i <= 9; i++) {
+ {for (int j = 1; j <= 9; j++) {
+ if(j<=i){System.out.print(i+"*"+j+"="+i*j+"\t");}
+ }
+
+ }
+ System.out.println();
+
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo04.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..91e640bb2ae11bbeac5511064065e2e25c9ba667
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo04.java"
@@ -0,0 +1,32 @@
+package ddsfadsfasfdas;
+
+public class Lingxing {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1; i < 6; i++) {
+ for(int a=1;a<=6-i;a++){
+ System.out.print(" ");
+ }
+
+ for(int b=1;b<=2*i-1;b++) {
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+ for (int j = 1; j <= 4; j++) {
+ for(int c=1;c<=j+1;c++){
+ System.out.print(" ");
+
+ }
+
+ for(int d=1;d<=9-2*j;d++) {
+ System.out.print("*");
+ }
+ System.out.println();
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo05.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2020a21955f05d9aa0cda9aa7f50ef73efc01df3
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo05.java"
@@ -0,0 +1,35 @@
+package ddsfadsfasfdas;
+
+import java.util.Scanner;
+
+public class Nianling {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum=0;
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int [5];
+ for(int i=0;i<5;i++) {
+ System.out.println("输入员工的年龄");
+ a[i]=scanner.nextInt();
+
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for (int c=1;c<5;c++) {
+ if(maxa[e]) {
+ min=a[e];
+ }
+ }
+ System.out.println("平均年龄为："+sum/5);
+ System.out.println("年龄最大为："+max);
+ System.out.println("年龄最小为："+min);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo06.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3edbb5abe37dcf26c6740826175e4c4e8ac505fd
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo06.java"
@@ -0,0 +1,34 @@
+package ddsfadsfasfdas;
+
+import java.util.Scanner;
+
+public class PINGwei {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum=0;
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int [5];
+ for(int i=0;i<6;i++) {
+ System.out.println("输入员工的年龄");
+ a[i]=scanner.nextInt();
+
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for (int c=1;c<6;c++) {
+ if(maxa[e]) {
+ min=a[e];
+ }
+ }
+ System.out.println("选手平均得分为"+((sum-max-min)/4));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo07.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9c101a47d3effc0efd3ad72998410befd5682a80
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo07.java"
@@ -0,0 +1,18 @@
+package ddsfadsfasfdas;
+
+import java.util.Scanner;
+
+public class QINGTAI {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int []a={19,28,37,46,50};
+ int i=scan.nextInt();
+ int b =a[i];
+ System.out.println("索引时"+b);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo08.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..866a0ce09633b7b28f216514759783d4bd5688fd
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo08.java"
@@ -0,0 +1,32 @@
+package wqewqwe;
+
+import java.util.Scanner;
+
+public class SADASDADAS {
+
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("输入边长");
+ int a = scan.nextInt();
+ for (int i = 0; i < a; i++) {
+
+
+ for (int j = 0; j < a; j++) {
+
+ if(i==0 || i==a-1 || j==0 || j==a-1){
+ System.out.print("*");
+ }
+ else {
+
+ System.out.print(" ");
+ }
+ }
+ System.out.println();
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo09.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo09.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f441e36aa75bab283fb2acac47044ad9bb4461d0
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo09.java"
@@ -0,0 +1,26 @@
+package wqewqwe;
+
+public class SHANXIANHUA {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum = 0;
+ int sua = 0;
+ int suv = 0;
+ int ki =0;
+ for (int i = 100; i < 1000; i++) {
+ sum=i/100;
+ sua=i/10%10;
+ suv=i%10;
+ if(sum*sum*sum+sua*sua*sua+suv*suv*suv==i)
+
+ {
+ System.out.println(i);
+ }
+
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo10.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo10.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a74c8abcc61365758e3eefbea36f2ab353d04f2e
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo10.java"
@@ -0,0 +1,25 @@
+package wqewqwe;
+
+import java.util.Scanner;
+
+public class zhengfangxing {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.print("输入边长");
+ int a = scan.nextInt();
+ for (int i = 0; i < a; i++) {
+
+
+ for (int j = 0; j < a; j++) {
+
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo1.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2bfe15919f814fd2a7a1ba43cdecb5c341c76199
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo1.java"
@@ -0,0 +1,32 @@
+package lession1;
+
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ Scanner Scanner = new Scanner(System.in);
+ int sum = 0;
+ int a;
+
+ for (int i = 0; i < 5; i++) {
+ System.out.println("请输入商品的价格");
+ a = Scanner.nextInt();
+
+ if (a == 0) {
+ break;
+ }
+ sum += a;
+ if (a < 0) {
+ System.out.println("输出错误");
+ continue;
+ }
+
+ }
+ System.out.println("输出结果" + sum);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo2.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7ef16cf69b8b9b50c1fa16e821e457e962145a30
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo2.java"
@@ -0,0 +1,22 @@
+package lession1;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scan = new Scanner(System.in);
+
+ int sum = 0;
+ int a = 1;
+ for (int i = 1; i < 10; i++) {
+ a = (a + 1) * 2;
+ sum = +a;
+ System.out.println("桃子个数" + a);
+ }
+ System.out.println("桃子总数" + sum);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo3.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..50d7a81eaa99464291234072eaac48c83ffe719b
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo3.java"
@@ -0,0 +1,24 @@
+package lession1;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scan = new Scanner(System.in);
+ int a;
+ int b;
+ int c;
+ for (int i = 100; i < 999; i++) {
+ a = i / 100;
+ b = i / 10 % 10;
+ c = i % 10;
+ if (i == a * a * a + b * b * b + c * c * c) {
+ System.out.println("符合条件：" + i);
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo4.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..16ed666b7e355cb81c19adbb020b17be4261fb4f
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo4.java"
@@ -0,0 +1,19 @@
+package lession1;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1; i <= 9; i++) {
+ for (int j = 1; j <= 9; j++) {
+
+ if (j <= i) {
+ System.out.print(i + "*" + j + "=" + (i * j) + "\t");
+ }
+ }
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo5.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c4cbd4c6a64c2fc607b9148593f81847b2bc5e10
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo5.java"
@@ -0,0 +1,24 @@
+package lession1;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scan = new Scanner(System.in);
+ System.out.println("请输入正方形的边长");
+ int a = Scan.nextInt();
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ if (j == 0 || j == a - 1 || i == 0 || i == a - 1) {
+ System.out.print(" *");
+ } else {
+ System.out.print(" ");
+ }
+
+ }
+ System.out.println();
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo6.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..32ed0878cf0ab58f6946b11f3d7a81f364b67655
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo6.java"
@@ -0,0 +1,28 @@
+package lession1;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scan = new Scanner(System.in);
+ System.out.println("请输入正方形的边长");
+ int a = Scan.nextInt();
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ if (j==0||j==a-1||i==0||i==a-1) {
+ System.out.print("*");
+ }
+ else {
+ System.out.print("*");
+ }
+
+ }
+System.out.println();
+ }
+ }
+
+ }
+
+
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo7.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..de571f29bbb0099822e6d71a6ba5d622f2eed90c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo7.java"
@@ -0,0 +1,23 @@
+package lession1;
+
+import java.util.Scanner;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scan = new Scanner(System.in);
+
+ int[] a = { 19, 28, 37, 46, 50 };
+ String [] b = new String[5];
+
+
+
+ for (int i = 0; i < 5; i++) {
+ System.out.println(a[i]);
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo8.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8457ceb0dbd73de296fab30019e757c156b5e93c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo8.java"
@@ -0,0 +1,58 @@
+package lession1;
+
+import java.util.Scanner;
+
+public class Demo8 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int[] arr = new int[6];
+ Scanner sc = new Scanner(System.in);
+
+ for (int x = 0; x < arr.length; x++) {
+ System.out.println("请输入第" + (x + 1) + "个评委给的分数:");
+ int score = sc.nextInt();
+ arr[x] = score;
+ }
+
+ int max = getMax(arr);
+ int min = getMax(arr);
+ int sum = sum(arr);
+ int avge = (sum - max - min) / (arr.length - 2);
+ System.out.println("平均分是" + avge);
+ }
+
+ public static int getMax(int[] arr) {
+ int max = arr[0];
+
+ for (int x = 1; x < arr.length; x++) {
+ if (max < arr[x]) {
+ max = arr[x];
+ }
+ }
+ return max;
+ }
+
+ public static int getMin(int[] arr) {
+
+ int min = arr[0];
+
+ for (int x = 1; x < arr.length; x++) {
+ if (min > arr[x]) {
+ min = arr[x];
+ }
+ }
+ return min;
+ }
+
+ public static int sum(int[] arr) {
+ int sum = 0;
+ for (int x = 0; x < arr.length; x++) {
+
+ sum += arr[x];
+ }
+ return sum;
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo9.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo9.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d6a3605be972a1ffa9f323aba424b555772bb123
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Demo9.java"
@@ -0,0 +1,46 @@
+package lession1;
+
+public class Demo9 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1; i <= 4; i++) {
+
+ for (int j = 1; j <= 4 - i; j++) {
+
+ System.out.print(" ");
+
+ }
+
+ for (int z = 1; z <= i * 2 - 1; z++) {
+
+ System.out.print("*");
+
+ }
+
+ System.out.println();
+
+ }
+
+ for (int i = 1; i <= 3; i++) {
+
+ for (int j = 1; j <= i; j++) {
+
+ System.out.print(" ");
+
+ }
+
+ int y = 3;
+
+ for (int z = 5; z >= 2 * i - 1; z--) {
+
+ System.out.print("*");
+
+ }
+
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\344\271\235\344\271\235\344\271\230\346\263\225\350\241\250.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\344\271\235\344\271\235\344\271\230\346\263\225\350\241\250.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f6cf58e5f4229ce8f0547569defecb80b1883d2a
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\344\271\235\344\271\235\344\271\230\346\263\225\350\241\250.java"
@@ -0,0 +1,20 @@
+package 东东;
+
+public class 九九乘法表 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1; i <= 9; i++) {
+ for (int j = 1; j <= 9; j++) {
+ if (i max) {
+ max = a[i];
+ }
+ if (a[i] < min) {
+ min = a[i];
+ }
+ sum = a[i];
+
+ sum = sum + a[i];
+ }
+ System.out.println("年龄平均值" + sum / 5);
+ System.out.println("最小值" + min);
+ System.out.println("最大值" + max);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\346\211\223\345\215\260\346\255\243\346\226\271\345\275\242.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\346\211\223\345\215\260\346\255\243\346\226\271\345\275\242.java"
new file mode 100644
index 0000000000000000000000000000000000000000..24977aa163f579dd1aacaf6da83abb5f4aeac628
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\346\211\223\345\215\260\346\255\243\346\226\271\345\275\242.java"
@@ -0,0 +1,23 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class 打印正方形 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+Scanner scanner = new Scanner(System.in);
+System.out.println("请输入长方形的边长");
+int a=scanner.nextInt();
+for(int i=0;i=1;d--)
+ {
+ for(int b=1;b<=5-d;b++)
+
+ System.out.print(" ");
+
+ for(int c=5-d;c<=3+d;c++)
+ System.out.print("*");
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\346\260\264\344\273\231\350\212\261.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\346\260\264\344\273\231\350\212\261.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9f81e36bc10fc6d09f3abdb474687b1106806b2e
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\346\260\264\344\273\231\350\212\261.java"
@@ -0,0 +1,18 @@
+package 东东;
+
+public class 水仙花 {
+ public static void main(String[] args) {
+ int i=100;
+ for(;i<1000;i++) {
+ int a=i%10;
+ int b=i/10%10;
+ int c=i/10/10%10;
+ if(a * a * a + b * b * b + c * c * c == i){
+ System.out.println(i);
+
+
+
+ }
+ }
+}
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\347\214\264\345\255\220\345\220\203\346\241\203.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\347\214\264\345\255\220\345\220\203\346\241\203.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c9f4e7262082427e40e674dd233a7c798c01b492
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\347\214\264\345\255\220\345\220\203\346\241\203.java"
@@ -0,0 +1,17 @@
+package 东东;
+
+public class 猴子吃桃 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a=1;
+for(int i=1;i<10;i++) {a=(a+1)*2;
+System.out.println("第"+(10-i)+"天，桃子数"+a);
+
+}
+System.out.println("最终结果："+a);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\347\264\242\345\274\225.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\347\264\242\345\274\225.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4f49dcb08c77c8dfde9706ed360ab788ea333ee0
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\347\264\242\345\274\225.java"
@@ -0,0 +1,33 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class 索引 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner sc = new Scanner(System.in);
+ System.out.println("请输入一个索引");
+ int j = sc.nextInt();
+ int qqq = qqq(j);
+ System.out.println(qqq);
+ }
+ public static int qqq(int j) {
+ int arr[] = {19, 28, 37, 46, 50};
+ int c = 0 ;
+ //int b = 0 ;
+ for (int i = 0; i < arr.length; i++) {
+ if (i == j) {
+ c = arr[i];
+ break;
+ } else if (arr.length < j) {
+ c=-1;
+ break;
+ }
+ }
+ return c;
+ // return b;
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\350\257\204\345\247\224\346\211\223\345\210\206.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\350\257\204\345\247\224\346\211\223\345\210\206.java"
new file mode 100644
index 0000000000000000000000000000000000000000..77f593a217b5a2f82926f4c894b56a57451057de
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\350\257\204\345\247\224\346\211\223\345\210\206.java"
@@ -0,0 +1,31 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class 评委打分 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ int[] a = new int[5];
+ for (int i = 0; i < a.length; i++) {
+ System.out.println("请第"+(i+1)+"评委评分");
+ a[i] = scanner.nextInt();}
+ int sum = 0;
+ int max = a[0];
+ int min = a[0];
+ for (int i = 0; i < a.length; i++) {
+ if (a[i] > max) {
+ max = a[i];
+ }
+ if (a[i] < min) {
+ min = a[i];
+ }
+
+ sum = sum + a[i];
+ }
+ System.out.println("最终得分" +(sum-min-max)/4);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\350\264\255\347\211\251\351\207\221\351\242\235.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\350\264\255\347\211\251\351\207\221\351\242\235.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0c22b9d51834eba06af363ae1562b21fcb554bc8
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\350\264\255\347\211\251\351\207\221\351\242\235.java"
@@ -0,0 +1,24 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class 购物金额 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+Scanner scanner = new Scanner(System.in);
+int sum=0;
+while(true) {System.out.println("请输入商品金额");
+int a=scanner.nextInt();
+ if(a<=0&&a!=-1) {System.err.println("报错信息，并且本次输入不列入总金额计算");}
+ if(a==-1) {break;}
+ sum=sum+a;
+}
+System.out.println("这次购物的总金额："+sum);
+ }
+
+
+
+ }
+
+
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo02.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..59f9e2c2a6063a3ba10ad654620ef032b1c70394
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo02.java"
@@ -0,0 +1,17 @@
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ //猴子吃桃
+ int b =1 ;
+ for (int i = 1; i < 10; i++) {
+
+
+ b = (b +1) * 2;
+ System.out.println("第"+(10-i)+"天有"+b+"个桃子");
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo03.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f3261d14641512639aef5e457d5edd872dccbb7b
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo03.java"
@@ -0,0 +1,23 @@
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ //水仙花
+ int a ;
+ int b ;
+ int c ;
+
+ for (int i = 100; i < 1000;i++) {
+ a=i/100;
+ b=i/10%10;
+ c=i%10;
+ if((a*a*a+b*b*b+c*c*c==i)) {
+ System.out.println(i);
+ }
+
+
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo04.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3393ef623196864af5281020a3060b4bf42d5f8a
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo04.java"
@@ -0,0 +1,19 @@
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+
+
+ for (int i = 1; i < 10; i++) {
+ for (int j = 1; j < 10; j++) {
+ if(j<=i) {
+ System.out.print(i+"*"+j+"="+j*i+"\t");
+ }
+
+ }
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo05.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5388af7a14b8d9204b967ba9b01d12d8b0bb3ef4
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo05.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ //实心正方型
+ Scanner abc = new Scanner(System.in);
+
+ System.out.println("请输入正方形的边长");
+ int a = abc.nextInt();
+
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ System.out.print(" *");
+ }
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo06.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..53a90a98b1866fe8b5566eb9fe6d1a6973400a9e
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo06.java"
@@ -0,0 +1,24 @@
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ //空心正方型
+ Scanner abc = new Scanner(System.in);
+
+ System.out.println("请输入正方形的边长");
+ int a = abc.nextInt();
+
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ if (j ==0 || i==0 || j ==a-1 || i==a-1) {
+ System.out.print(" *");
+ }else {
+ System.out.print(" ");
+ }
+ }
+ System.out.println();
+ }
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo07.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b647694a4a99bb2d617dbb468bee7c4afdfe4646
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo07.java"
@@ -0,0 +1,31 @@
+import java.util.Scanner;
+
+public class Demo08 {
+
+ public static void main(String[] args) {
+ //菱形
+ Scanner abc = new Scanner(System.in);
+
+ System.out.println("请输入菱形的宽度");
+ int a = abc.nextInt();
+
+ for(int i=1;i<=a;i++){
+ for(int j=a-1;j>=i;j--){
+ System.out.print(" ");
+ }
+ for(int j=1;j<=2*i-1;j++){
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+ for(int i=a-1;i>=1;i--){
+ for(int j=i;j<=a-1;j++){
+ System.out.print(" ");
+ }
+ for(int j=1;j<=2*i-1;j++){
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+ }
+ }
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo08.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1de6c49bc50220c3f70b647d30e6c45f176b05e3
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo08.java"
@@ -0,0 +1,17 @@
+import java.util.Scanner;
+
+public class Demo08 {
+ public static void main(String[] args) {
+ //找索引
+ Scanner abc = new Scanner(System.in);
+
+ int arr[] = {19, 28, 37, 46, 50};
+
+ System.out.println("请输入一个数据");
+ int a = abc.nextInt();
+
+ System.out.println(arr[a]);
+
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo09.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo09.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e5cf5990ce5a4cee919adcbe5c94728a434934fa
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo09.java"
@@ -0,0 +1,29 @@
+import java.util.Scanner;
+
+public class Demo09 {
+
+ public static void main(String[] args) {
+ // 评委评分
+
+ Scanner abc = new Scanner(System.in);
+
+ int sum = 0 ;
+ for (int i = 1; i <= 5; i++) {
+ System.out.println("请输入分数");
+ int a = abc.nextInt();
+ if(a<=100 && a>=0) {
+ if (i<5) {
+ sum=sum+a;
+ }else {
+ System.out.println("最终得分为："+sum/4);
+ }
+ }else {
+ System.out.println("输入错误，分数范围在0~100内");
+ }
+
+
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Deno01.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Deno01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2cb5037b1d7958f0fb560d891ebb31042623b8da
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Deno01.java"
@@ -0,0 +1,26 @@
+import java.util.Scanner;
+
+public class Deno01 {
+
+ public static void main(String[] args) {
+ //购物
+ Scanner abc = new Scanner(System.in);
+ int sum=0;
+
+ for (int i = 0; i <9;) {
+ System.out.println("请输入一个数");
+ int a = abc.nextInt();
+ if(a==-1){
+ System.out.println("本次购物的总金额是："+sum);
+ break;
+ }
+ if(a<=0) {
+ System.out.println("金额输入错误");
+ continue;
+ }sum+=a;
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo1.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..44458b0605cc287c9285c1774bb986312c369e9a
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo1.java"
@@ -0,0 +1,15 @@
+package com.md.lession7;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for(int i=1;i<10;i++) {
+ for(int j=1;j<=i;j++) {
+ System.out.print(j+"*"+i+"="+i*j+"\t");
+ }
+ System.out.println("");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo2.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..dc242e96eaf039904aa60cb130f75164ff1cb19c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo2.java"
@@ -0,0 +1,25 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner sca=new Scanner(System.in);
+ System.out.println("");
+ int i=sca .nextInt();
+ for(int a=1;a<=i;a++) {
+ for(int b=1;b<=i;b++) {
+ if (a==1||a==i||b==1||b==i) {
+ System.out.print("*");
+ }else {
+ System.out.print(" ");
+ }
+
+ }
+ System.out.println("");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo3.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0c879733aa9f06ed5e1d8f59a5fc8f2203be9360
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo3.java"
@@ -0,0 +1,28 @@
+package com.md.lession7;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for(int a=1;a<=5;a++) {
+ for(int b=1;b<=6-a;b++) {
+ System.out.print(" ");
+
+ }
+ for(int b=1;b<=2*a-1;b++) {
+ System.out.print("*");
+ }
+ System.out.println("");
+ }
+ for(int g=1;g<=4;g++) {
+ for(int a=1;a<=g+1;a++) {
+ System.out.print(" ");
+ }
+ for(int b=1;b<=8-2*g;b++) {
+ System.out.print("*");
+ }
+ System.out.println("*");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo4.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2cc816249182844ed1d577669190f058be7e696b
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo4.java"
@@ -0,0 +1,25 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner sca=new Scanner(System.in);
+ System.out.println("");
+ int i=sca .nextInt();
+ for(int a=1;a<=i;a++) {
+ for(int b=1;b<=i;b++) {
+ System.out.print("*");
+ if (b==5) {
+ System.out.print("\t");
+ }
+
+ }
+ System.out.println("");
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo5.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..98a588ad608f70c6451aa27e51b4f4be12573623
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo5.java"
@@ -0,0 +1,27 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum=0;
+ int a;
+ Scanner scanner=new Scanner(System.in);
+ while (true) {
+ System.out.println("输入消费金额");
+ a=scanner.nextInt();
+ if(a<=0&&a!=-1) {
+ System.out.println("报错，");
+ continue;
+ }
+ if(a==-1) {
+ break;
+ }
+ sum+=a;
+ }
+ System.out.println("消费总额为："+sum);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo6.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e450c40e9fef2a70e70f25c8825954ed3a546877
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo6.java"
@@ -0,0 +1,18 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a=1;
+
+ Scanner scanner=new Scanner(System.in);
+ for (int i = 1; i < 10; i++) {
+ a=(a+1)*2;
+ }
+ System.out.println(a);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo7.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..56fab878983c7337fee54521d9295f485d51fa2e
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo7.java"
@@ -0,0 +1,32 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int[6];
+ int sum=0;
+ for (int i = 0; i < 6; i++) {
+ System.out.println("请为选手评分");
+ a[i]=scanner.nextInt();
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for(int k=1;k<6;k++) {
+ if(maxa[g]) {
+ min=a[g];
+ }
+ }
+ System.out.println("选手最终得分为："+((sum-max-min)/4));
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo8.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f85f58de92e7bcfc423f752e4e53ef1407982615
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo8.java"
@@ -0,0 +1,20 @@
+package com.md.lession7;
+
+public class Demo8 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a;
+ int b;
+ int c;
+ for(int i=100;i<1000;i++) {
+ a=i/100;
+ b=i%100/10;
+ c=i%100%10;
+ if ((a*a*a)+(b*b*b)+(c*c*c)==i) {
+ System.out.println(""+i);
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo9.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo9.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cc07c4854e3302ac41fac0b2dc812be19187796b
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo9.java"
@@ -0,0 +1,17 @@
+package com.md.lession7;
+
+import java.util.Scanner;
+
+public class Demo9 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int arr[]= {19,28,37,46,50};
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入一个有用的数据");
+ int i=scanner.nextInt();
+ int sum=arr[i];
+ System.out.println("索引值为："+sum);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2937755b522fe069ce34cc6cd3fee741bc6c9f87
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang.java"
@@ -0,0 +1,33 @@
+ package yang;
+
+import java.util.Scanner;
+
+public class Liang {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ Scanner liang=new Scanner(System.in);
+
+
+ int sum =0;
+ for (int i = 1; i >0; i++) {
+ System.out.println("输入金额");
+ int a=liang.nextInt();
+
+ if (a== -1) {
+ break;
+ }else if (a<=0) {
+ System.out.println("输入金额有误,请重新输入");
+ continue;
+ }else {
+ sum +=a;
+
+ }
+ }
+ System.out.println("输出金额"+sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang01.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5d0b7cccbff7f478e0936e2b421cacfa4768ddc3
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang01.java"
@@ -0,0 +1,15 @@
+package yang;
+
+public class Liang01 {
+ public static void main(String[] args) {
+
+ int a=1;
+
+ for (int i = 1; i < 10; i++) {
+ a= (a+1)*2;
+ System.out.println("第"+(10-i)+"天"+a);
+ }
+ System.out.println("共有"+a+"个");
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang02.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c37f16fb8742412f0c2d4a589386a4aba39dcc4e
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang02.java"
@@ -0,0 +1,29 @@
+package yang;
+
+import java.util.Scanner;
+
+public class Liang02 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+
+
+ int a;
+ int b;
+ int c;
+
+ for (int i = 100; i < 1000; i++) {
+
+ a= i/100;
+ b= (i%100)/10;
+ c= i%10;
+
+ if ((a*a*a)+(b*b*b)+(c*c*c)==i) {
+ System.out.println(i);
+ }
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang03.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..afdb17130b5cfb89f688b42ba1e9ef097a57b703
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang03.java"
@@ -0,0 +1,19 @@
+package yang;
+
+public class Liang03 {
+public static void main(String[] args) {
+
+ for (int i = 1; i <10 ; i++) {
+ for (int j = 1; j < 10; j++) {
+ if (i>=j) {
+ System.out.print(j+"*"+i+"="+i*j+"\t");
+ }
+
+
+
+ }System.out.println();
+ }
+
+
+}
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang04.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..52117b0d8878a22abea325f19a97779eda2bebd5
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang04.java"
@@ -0,0 +1,19 @@
+package yang;
+
+import java.util.Scanner;
+
+public class Liang04 {
+public static void main(String[] args) {
+
+ Scanner liang=new Scanner(System.in);
+
+ System.out.println("输入边长");
+ int a=liang.nextInt();
+
+ for (int i = 1; i <=a; i++) {
+ for (int j = 1; j <=a; j++) {
+ System.out.print("*");
+ }System.out.println();
+ }
+}
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang05.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..75d4116129785934e44c567af2df4ad09c76bace
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang05.java"
@@ -0,0 +1,26 @@
+package yang;
+
+import java.util.Scanner;
+
+public class Liang05 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner liang=new Scanner(System.in);
+
+ System.out.println("输入边长");
+ int a=liang.nextInt();
+
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ if (i==0||i==a-1||j==a-1||j==0) {
+ System.out.print("*");
+ }else {
+ System.out.print(" ");
+ }
+ }System.out.println();
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang06.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..43f5ca11879c7135dc789b58c0c8ffb96059bd4f
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang06.java"
@@ -0,0 +1,25 @@
+package miao.qiong;
+
+import java.util.Scanner;
+
+public class Liang04 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ int arr[]= {19,28,37,46,50};
+
+ Scanner scanner=new Scanner(System.in);
+
+ System.out.println("请输入数组中的数字");
+ int sumber=scanner.nextInt();
+
+ for (int i = 0; i <5; i++) {
+ if (arr[i]==sumber) {
+ System.out.println(i);
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang08.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..afc9b7c34ce96941981bc07681c2eff836689df6
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang08.java"
@@ -0,0 +1,25 @@
+package miao.qiong;
+
+public class Liang08 {
+public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for(int a=1;a<=5;a++)
+ {
+ for(int b=1;b<=5-a;b++)
+ System.out.print(" ");
+ for(int c=1;c<=a*2-1;c++)
+ System.out.print("*");
+ System.out.println();
+ }
+ for(int d=4;d>=1;d--)
+ {
+ for(int b=1;b<=5-d;b++)
+
+ System.out.print(" ");
+
+ for(int c=5-d;c<=3+d;c++)
+ System.out.print("*");
+ System.out.println();
+ }
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang09.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang09.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3a045acc294440309058e4566ef31936b859d152
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Liang09.java"
@@ -0,0 +1,38 @@
+package miao.qiong;
+
+import java.util.Scanner;
+
+public class Liang09 {
+public static void main(String[] args) {
+
+
+ int a[] = new int[6];
+ int sum=0;
+ Scanner scanner=new Scanner(System.in);
+
+ for (int j = 0; j < 6; j++) {
+ System.out.println("为选手打分");
+ a[j]=scanner.nextInt();
+ sum=sum+a[j];
+ }
+ int max=a[0];
+ int min=a[0];
+
+ for (int i = 0; i <6; i++) {
+ if (a[i]>max) {
+
+ max=a[i];
+ }}
+ //System.out.println("最大值是："+max);
+
+ for (int l = 0; l <6; l++) {
+ if (a[l]i) {
+
+ }else {
+ System.out.println(i+"*"+j+"="+(i*j)+"\t");
+ }
+ }
+ }
+ System.out.println();
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_4.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..55f2058429a65e3a72e633fc2f734445c3e19e6b
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_4.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class Less_4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan=new Scanner(System.in);
+ for (int i = 1; i<6; i++) {
+ for (int j = 1; j <=6-i; j++) {
+ System.out.println( "");
+ }
+ for (int k = 1; k<=2*i-1; k++) {
+ System.out.println( "*");
+ }
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_6.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b5be6279f3529ae33e48f2ab75f41d4b493baaa5
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_6.java"
@@ -0,0 +1,30 @@
+import java.util.Scanner;
+
+public class Less_6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan=new Scanner(System.in);
+ int sum=0;
+ int a[]=new int[5];
+ for (int i = 0; i <6; i++) {
+ System.out.println("请输入员工年龄");
+ a[i]=scan.nextInt();
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for (int j = 1; j < 6; j++) {
+ if (maxa[k]) {
+ min=a[k];
+ }
+ }
+
+ System.out.println("选手的平均分为"+((sum-max-min)/4));
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_7.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..00eadfd4a07b8767e591b9203881293935855cee
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_7.java"
@@ -0,0 +1,14 @@
+import java.util.Scanner;
+
+public class Less_7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan=new Scanner(System.in);
+ int a[]= {19,28,37,45,50};
+ int i=scan.nextInt();
+ int b=a[i];
+ System.out.println("索引"+b);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_8.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ce8b7e6fd71b17c21462089604b78a45060bd3ab
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_8.java"
@@ -0,0 +1,22 @@
+import java.util.Scanner;
+
+public class Less_8 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入边长");
+ int a=scan.nextInt();
+ for (int i = 0; i a[o]) {
+ min=a[o];
+ }
+ }
+
+ }System.out.println("平均年龄为："+sun/5);
+ System.out.println("最大年龄为："+max);
+ System.out.println("最小年龄为："+min);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo01.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9be22a34333c90fd4ede1f9eb7120333e8677f7e
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo01.java"
@@ -0,0 +1,25 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[]args ) {
+ int sum=0;
+ int a;
+ Scanner scanner=new Scanner(System.in);
+ while (true) {
+ System.out.println("输入消费金额");
+ a=scanner.nextInt();
+ if(a<=0&&a!=-1) {
+ System.out.println("报错，");
+ continue;
+ }
+ if(a==-1) {
+ break;
+ }
+ sum+=a;
+ }
+ System.out.println("消费总额为："+sum);
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo02.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d661fb8ba597d47a696502ce76c4c275814611a2
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo02.java"
@@ -0,0 +1,17 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ int a=1;
+
+ Scanner scanner=new Scanner(System.in);
+ for (int i = 1; i < 10; i++) {
+ a=(a+1)*2;
+ }
+ System.out.println(a);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo03.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3be1bed39114dc782f34e8483cdec96e7ddd6f8c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo03.java"
@@ -0,0 +1,19 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ for (int i = 100; i <= 999; i++) {
+ int b = i / 100;
+ int c = i % 100 / 10;
+ int d = i % 100 % 10;
+ if ((b * b * b + c * c * c + d * d * d) == i) {
+ System.out.println(i + "是水仙花数");
+ }
+ }
+ }
+
+}
+
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo04.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..caede1c6ab0cc9d85260ce5335669eb111e51111
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo04.java"
@@ -0,0 +1,15 @@
+package lession;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ for(int i=1 ;i<10;i++) {
+ for(int x=1;x<=i;x++) {
+ System.out.print(x+"*"+i+"="+(x*i)+"\t");
+ }
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo05.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9e1584fedb6d2acfc4214e5b96323d5cf8bce808
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo05.java"
@@ -0,0 +1,19 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("输入正方形的边长");
+ int i=scanner.nextInt();
+ for(int a=1;a<=i;a++) {
+ for(int b=1;b<=i;b++) {
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo06.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7eb75a16cd73034a636eb71484641adaf5a8c902
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo06.java"
@@ -0,0 +1,25 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("输入正方形的边长");
+ int i=scanner.nextInt();
+ for(int a=1;a<=i;a++) {
+ for(int b=1;b<=i;b++) {
+ if(a==1||a==i||b==1||b==i) {
+ System.out.print("*");}
+ else {
+ System.out.print(" ");
+ }
+ }
+
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo07.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b9994b5775f113ec9f2ce9320747103d9e117d50
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo07.java"
@@ -0,0 +1,33 @@
+package ht;
+
+import java.util.Scanner;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+ int sum=0;
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int [5];
+ for(int i=0;i<5;i++) {
+ System.out.println("输入员工的年龄");
+ a[i]=scanner.nextInt();
+
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for (int c=1;c<5;c++) {
+ if(maxa[e]) {
+ min=a[e];
+ }
+ }
+ System.out.println("平均年龄为："+(sum/5));
+ System.out.println("年龄最大为："+max);
+ System.out.println("年龄最小为："+min);
+}
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo08.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..89932a629ff7b763f049e6008655e8b0b3882738
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo08.java"
@@ -0,0 +1,33 @@
+package ht;
+
+import java.util.Scanner;
+
+public class Demo08 {
+
+ public static void main(String[] args) {
+ //需求：在编程竞赛中，有6个评委为参赛的选手打分，分数为0-100的整数分。
+ // 选手的最后得分为：去掉一个最高分和一个最低分后 的4个评委平均值 (不考虑小数部分)。
+ //补充说明：在控制台输入评委的评分后，输出选手的最终得分。
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int[6];
+ int sum=0;
+ for (int i = 0; i < 6; i++) {
+ System.out.println("请为选手评分");
+ a[i]=scanner.nextInt();
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for(int k=1;k<6;k++) {
+ if(maxa[g]) {
+ min=a[g];
+ }
+ }
+ System.out.println("选手最终得分为："+((sum-max-min)/4));
+}
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo09.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo09.java"
new file mode 100644
index 0000000000000000000000000000000000000000..99b41336ca6efe8914b4f1ddde528cf9e4efccda
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo09.java"
@@ -0,0 +1,19 @@
+package ht;
+
+import java.util.Scanner;
+
+public class Demo09 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ // 需求：
+ // 已知一个数组 arr = {19, 28, 37, 46, 50}; 键盘录入一个数据，查找该数据在数组中的索引，
+ // 并在控制台输出找到的索引值。
+ int arr[]= {19,28,37,46,50};
+ System.out.println("请输入一个有用的数据");
+ int i=scanner.nextInt();
+ int sum=arr[i];
+ System.out.println("索引值为："+sum);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo10.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo10.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0cc115d75a8117b88a9ff3453efe3612241760f3
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\2721/Demo10.java"
@@ -0,0 +1,31 @@
+package ht;
+
+public class Demo10 {
+
+ public static void main(String[] args) {
+ for(int i=1;i<=5;i++) {
+ for(int a=1;a<=6-i;a++){
+ System.out.print(" ");
+ }
+
+ for(int b=1;b<=2*i-1;b++) {
+ System.out.print("*");
+
+ }
+ System.out.println();
+ }
+ for(int g=1;g<=4;g++) {
+ for(int a=1;a<=g+1;a++){
+ System.out.print(" ");
+ }
+
+ for(int b=1;b<=9-2*g;b++) {
+ System.out.print("*");
+
+ }
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\345\221\230\345\267\245\345\271\264\351\276\204.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\345\221\230\345\267\245\345\271\264\351\276\204.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7aabcdc7ebc20446d96bb4b1a7e5d2c7273b0f86
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\345\221\230\345\267\245\345\271\264\351\276\204.java"
@@ -0,0 +1,30 @@
+package 联系;
+
+import java.util.Scanner;
+
+public class 员工年龄 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner (System.in);
+ int [] a;
+ a = new int [5];
+ int b;
+ int i = 0;
+ System.out.println("请输入五位员工的年龄");
+ for (; i < a.length; i++) {
+ System.out.print("第"+(i+1)+"位学员：");
+ a[i]=scanner.nextInt();
+
+ }
+ b=a[0];
+ for(i=0;ib) {
+ b=a[i];
+
+ }
+
+ }
+ System.out.println("最大年龄为："+b);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\211\276\347\264\242\345\274\225.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\211\276\347\264\242\345\274\225.java"
new file mode 100644
index 0000000000000000000000000000000000000000..890b60629821ead8103dd5b4d1b501d06a71850b
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\211\276\347\264\242\345\274\225.java"
@@ -0,0 +1,17 @@
+package 联系;
+
+import java.util.Scanner;
+
+public class 找索引 {
+
+ public static void main(String[] args) {
+ Scanner scanner= new Scanner(System.in);
+ int arr[]= {19,28,37,46,50};
+ System.out.println("请输入一个有用的数据");
+ int i=scanner.nextInt();
+
+ System.out.println("索引值为："+arr[i]);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\260\264\344\273\231\350\212\261.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\260\264\344\273\231\350\212\261.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e47bc5d80a0b120bcdb7a6d97b11775403b70104
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\260\264\344\273\231\350\212\261.java"
@@ -0,0 +1,19 @@
+package 联系;
+
+public class 水仙花 {
+
+ public static void main(String[] args) {
+ int a;
+ int b;
+ int c;
+ for(int i=100;i<1000;i++) {
+ a=i/100;
+ b=i%100/10;
+ c=i%100%10;
+ if ((a*a*a)+(b*b*b)+(c*c*c)==i) {
+ System.out.println(+i);
+
+ }
+
+}
+}}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\347\214\264\345\255\220\345\220\203\346\241\203\345\255\220.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\347\214\264\345\255\220\345\220\203\346\241\203\345\255\220.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7074fffd5c6339a0731999af3777bc061ec6448a
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\347\214\264\345\255\220\345\220\203\346\241\203\345\255\220.java"
@@ -0,0 +1,14 @@
+package 联系;
+
+import java.util.Scanner;
+
+public class 猴子吃桃子 {
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ int a = 1;
+ for (int i = 1; i < 10; i++) {
+ a=(a+1)*2;
+ }
+ System.out.println(a);
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\347\251\272\345\277\203\346\255\243\346\226\271\345\275\242.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\347\251\272\345\277\203\346\255\243\346\226\271\345\275\242.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a807e1126e36b390ccb4648d591a839aa29004fd
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\347\251\272\345\277\203\346\255\243\346\226\271\345\275\242.java"
@@ -0,0 +1,24 @@
+package 联系;
+
+import java.util.Scanner;
+
+public class 空心正方形 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入边长");
+ int a=scanner.nextInt ();
+ for (int i = 1; i <= a; i++) {
+ for (int j = 1; j <= a; j++) {
+ if (i == 1 || i == a||j == 1 || j == a) {
+ System.out.print("*");
+ }else {
+ System.out.print(" ");
+ }
+ }
+ System.out.print("\n");
+
+ }
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\350\217\261\345\275\242.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\350\217\261\345\275\242.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c0708bd20156d0b327092bc358183ab31fbe095e
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\350\217\261\345\275\242.java"
@@ -0,0 +1,31 @@
+package 联系;
+
+import java.util.Scanner;
+
+public class 菱形 {
+
+ public static void main(String[] args) {
+ for(int a=1;a<=5;a++) {
+ for(int b=1;b<=6-a;b++) {
+ System.out.print(" ");
+
+ }
+ for(int b=1;b<=2*a-1;b++) {
+ System.out.print("*");
+ }
+ System.out.println("");
+ }
+ for(int g=1;g<=4;g++) {
+ for(int a=1;a<=g+1;a++) {
+ System.out.print(" ");
+ }
+ for(int b=1;b<=8-2*g;b++) {
+ System.out.print("*");
+ }
+ System.out.println("*");
+ }
+
+
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\350\256\241\347\256\227\350\264\255\347\211\251\351\207\221\351\242\235.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\350\256\241\347\256\227\350\264\255\347\211\251\351\207\221\351\242\235.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7b9905e6e7d3acace833b60f7703187eee63dbaa
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\350\256\241\347\256\227\350\264\255\347\211\251\351\207\221\351\242\235.java"
@@ -0,0 +1,27 @@
+package 联系;
+
+import java.util.Scanner;
+
+public class 计算购物金额 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ int sum=0;
+ int a;
+ while (true) {
+ System.out.println("输入消费金额");
+ a=scanner.nextInt();
+ if(a<=0&&a!=-1) {
+ System.out.println("报错，");
+ continue;
+ }
+ if(a==-1) {
+ break;
+ }
+ sum+=a;
+ }
+ System.out.println("消费总额为："+sum);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\350\257\204\345\247\224\346\211\223\345\210\206.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\350\257\204\345\247\224\346\211\223\345\210\206.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9284d9e23a0ebc3704a3fa18997c80eccf2fba31
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\350\257\204\345\247\224\346\211\223\345\210\206.java"
@@ -0,0 +1,32 @@
+package 联系;
+
+import java.util.Scanner;
+
+public class 评委打分 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int[6];
+ int sum=0;
+ for (int i = 0; i < 6; i++) {
+ System.out.println("请为选手评分");
+ a[i]=scanner.nextInt();
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for(int k=1;k<6;k++) {
+ if(maxa[g]) {
+ min=a[g];
+ }
+ }
+ System.out.println("选手最终得分为："+((sum-max-min)/4));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo01.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f7d92ca7a2e21f5398817394f0a19668a4df931c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\344\273\225\345\244\251/Demo01.java"
@@ -0,0 +1,19 @@
+package com.md.lesssion;
+
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ // 正方形
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入正方形的边长");
+ int a = scanner.nextInt();
+
+ for (int i = 0; i i) {
+ }else {
+ int sum=i*j;
+ System.out.print(i+"*"+j+"="+sum+ "\t");
+ }
+ }
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Gouwu.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Gouwu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cdc95a99edc1ecead9281e1a276670254bb11a52
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Gouwu.java"
@@ -0,0 +1,34 @@
+package c;
+
+import java.util.Scanner;
+
+public class Gouwu {
+
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ int a=0;
+ int b=0;
+ for (int i = 0; i < 80; i++) {
+ System.out.println("请输入购物金额：");
+ a=scanner.nextInt();
+ b=b+a;
+
+ if (a==-1) {
+ b=b+1;
+ System.out.println("购物的总金额为"+b);
+ break;
+
+ }
+ if(a<=0 && a!=-1) {
+ System.err.println("报错信息，并且本次输入不列入总金额计算");
+ b=b-a;
+
+ }
+ continue;
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Houzichitao.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Houzichitao.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6986b670376e803eb291b19e765c5796f673bfca
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Houzichitao.java"
@@ -0,0 +1,21 @@
+package c;
+
+import java.util.Scanner;
+
+public class Houzichitao {
+
+ public static void main(String[] args) {
+ int a=1;
+ // TODO Auto-generated method stub
+ for (int i = 1; i < 10; i++) {
+ a=a+1;
+ a=2*a;
+
+ }
+ System.out.println(a);
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Linxing.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Linxing.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e4d0de0c960d21f3277d4be6d3eaf6274ec6b7ab
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Linxing.java"
@@ -0,0 +1,28 @@
+package c;
+
+public class Linxing {
+
+ public static void main(String[] args) {
+ for(int i=1;i<=5;i++) {
+
+ for(int a=1;a<=6-i;a++){
+
+ System.out.print(" ");
+}
+ for (int j = 1; j <=2*i-1; j++) {
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+ for(int g=1;g<=4;g++) {
+ for(int a=1;a<=g+1;a++){
+ System.out.print(" ");
+ }
+ for(int b=1;b<=9-2*g;b++) {
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Pingfeng.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Pingfeng.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e16538be68fa85b573efe5f6898b09c2bc4a776c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Pingfeng.java"
@@ -0,0 +1,39 @@
+package c;
+
+import java.util.Scanner;
+
+public class Pingfeng {
+
+ public static void main(String[] args) {
+ // 选手的最后得分为：去掉一个最高分和一个最低分后 的4个评委平均值 (不考虑小数部分)。
+// 补充说明：在控制台输入评委的评分后，输出选手的最终得分。
+ int max=0;
+ int min=0;
+ int sum=0;
+ int []a=new int [6];
+ Scanner scanner=new Scanner(System.in);
+
+ for (int i = 0; i <=5 ; i++) {
+ System.out.println("请输入第"+(i+1)+"位评委的评分");
+ a[i]=scanner.nextInt();
+ sum=sum+a[i];
+ if (a[i]<0 || a[i]>100) {
+ System.out.println("输入错误");
+
+
+ }
+ if (a[i]>max) {
+ max=a[i];
+ }else {
+ min=a[i];
+
+ }
+
+
+
+ }
+ int d=sum-max-min;
+ System.out.println("最终分数为"+d/4);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Shuixianhua.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Shuixianhua.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3ea56790889c6e46b1956a56b9295ea459e0407c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Shuixianhua.java"
@@ -0,0 +1,19 @@
+package c;
+
+public class Shuixianhua {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 100; i < 1000; i++) {
+ int a=i/100;
+ int b=(i/10)%10;
+ int c=i%10;
+ if ((a*a*a)+(b*b*b)+(c*c*c)==i) {
+ System.out.println(i);
+
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Shuzu.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Shuzu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..58d40ca766d0860395efcea6b088f26cb3cd935b
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Shuzu.java"
@@ -0,0 +1,32 @@
+package c;
+
+import java.util.Scanner;
+
+public class Shuzu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ int[ ] a = new int [5];
+ int sum=0;
+ int b=0;
+ int c=0;
+ int d=0;
+
+ for (int i = 0; i <= 4; i++) {
+ System.out.println("请输入员工的年龄");
+ a[i]=scanner.nextInt();
+ sum=sum+a[i];
+ if (a[i]>c) {
+ c=a[i];}
+ else {
+ d=a[i];
+ }
+ }
+ System.out.println("年龄最大的是"+ c +"岁");
+ System.out.println("年龄最小的是"+ d +"岁");
+ b=sum/5;
+ System.out.println("平均年龄是"+b);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Suoyin.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Suoyin.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8a50b817f636e11e2902cf5d546f9eff95674f2d
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Suoyin.java"
@@ -0,0 +1,25 @@
+package c;
+
+import java.util.Scanner;
+
+public class Suoyin {
+
+ public static void main(String[] args) {
+ // 已知一个数组 arr = {19, 28, 37, 46, 50}; 键盘录入一个数据，
+// 查找该数据在数组中的索引，并在控
+// 制台输出找到的索引值。
+ Scanner scanner=new Scanner(System.in);
+ int[]arr= {19,28,37,46,50};
+
+ System.out.println("请输入你要找的数据：");
+ int number=scanner.nextInt();
+ for (int i = 0; i < 4; i++) {
+ if(number==arr[i]) {
+ System.out.println("索引值为"+i);
+ return;
+
+ }
+ }
+}
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Zhengfanxing.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Zhengfanxing.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ea98860d6b8ec49bda2256db90ee2992d8d8fcdd
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/Zhengfanxing.java"
@@ -0,0 +1,24 @@
+package c;
+
+import java.util.Scanner;
+
+public class Zhengfanxing {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入正方形边长");
+ int a=scanner.nextInt();
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ System.out.print(" "
+ + "*");
+ }
+ System.out.println("");
+
+
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/konzhengfangxing.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/konzhengfangxing.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9b64d6d1b5b411b48a4fb6aa3f76483d96eff5e2
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/konzhengfangxing.java"
@@ -0,0 +1,28 @@
+package c;
+
+import java.util.Scanner;
+
+public class konzhengfangxing {
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入正方形边长");
+ int a=scanner.nextInt();
+
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ if(i==0||i==a-1||j==0||j==a-1) {
+ System.out.print(" *");
+ }
+ else {
+ System.out.print(" ");
+ }
+
+ }
+ System.out.println();
+
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/HOUzi.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/HOUzi.java"
new file mode 100644
index 0000000000000000000000000000000000000000..349be09d5414747c8d8e2f6773c641541722c008
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/HOUzi.java"
@@ -0,0 +1,21 @@
+package wqewqwe;
+
+public class HOUzi {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int x=1;
+
+
+ for (int i = 0; i < 9; i++) {
+
+ x=(x+1)*2;
+
+
+ System.out.println("总共吃了几个桃子"+x);
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/JINe.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/JINe.java"
new file mode 100644
index 0000000000000000000000000000000000000000..845f3d640d897f2b7db6788275afef47b7079dec
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/JINe.java"
@@ -0,0 +1,36 @@
+package wqewqwe;
+
+import java.util.Scanner;
+
+public class JINe {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int a = 0;
+ int b;
+ for (int i = 0; i <4; i++) {
+ System.out.println("请输入金额");
+ b = scan.nextInt();
+
+
+
+ if (b==-1) {
+
+ break;
+
+ }
+ if (b<=0) {
+ System.out.println("输入报错");
+ continue;
+
+
+ }
+ a=a+b;
+
+ }
+ System.out.println("总金额是"+a);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Lingxing.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Lingxing.java"
new file mode 100644
index 0000000000000000000000000000000000000000..91e640bb2ae11bbeac5511064065e2e25c9ba667
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Lingxing.java"
@@ -0,0 +1,32 @@
+package ddsfadsfasfdas;
+
+public class Lingxing {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1; i < 6; i++) {
+ for(int a=1;a<=6-i;a++){
+ System.out.print(" ");
+ }
+
+ for(int b=1;b<=2*i-1;b++) {
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+ for (int j = 1; j <= 4; j++) {
+ for(int c=1;c<=j+1;c++){
+ System.out.print(" ");
+
+ }
+
+ for(int d=1;d<=9-2*j;d++) {
+ System.out.print("*");
+ }
+ System.out.println();
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Nianling.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Nianling.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2020a21955f05d9aa0cda9aa7f50ef73efc01df3
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Nianling.java"
@@ -0,0 +1,35 @@
+package ddsfadsfasfdas;
+
+import java.util.Scanner;
+
+public class Nianling {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum=0;
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int [5];
+ for(int i=0;i<5;i++) {
+ System.out.println("输入员工的年龄");
+ a[i]=scanner.nextInt();
+
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for (int c=1;c<5;c++) {
+ if(maxa[e]) {
+ min=a[e];
+ }
+ }
+ System.out.println("平均年龄为："+sum/5);
+ System.out.println("年龄最大为："+max);
+ System.out.println("年龄最小为："+min);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/PINGwei.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/PINGwei.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3edbb5abe37dcf26c6740826175e4c4e8ac505fd
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/PINGwei.java"
@@ -0,0 +1,34 @@
+package ddsfadsfasfdas;
+
+import java.util.Scanner;
+
+public class PINGwei {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum=0;
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int [5];
+ for(int i=0;i<6;i++) {
+ System.out.println("输入员工的年龄");
+ a[i]=scanner.nextInt();
+
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for (int c=1;c<6;c++) {
+ if(maxa[e]) {
+ min=a[e];
+ }
+ }
+ System.out.println("选手平均得分为"+((sum-max-min)/4));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/QINGTAI.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/QINGTAI.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9c101a47d3effc0efd3ad72998410befd5682a80
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/QINGTAI.java"
@@ -0,0 +1,18 @@
+package ddsfadsfasfdas;
+
+import java.util.Scanner;
+
+public class QINGTAI {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int []a={19,28,37,46,50};
+ int i=scan.nextInt();
+ int b =a[i];
+ System.out.println("索引时"+b);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/SADASDADAS.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/SADASDADAS.java"
new file mode 100644
index 0000000000000000000000000000000000000000..866a0ce09633b7b28f216514759783d4bd5688fd
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/SADASDADAS.java"
@@ -0,0 +1,32 @@
+package wqewqwe;
+
+import java.util.Scanner;
+
+public class SADASDADAS {
+
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("输入边长");
+ int a = scan.nextInt();
+ for (int i = 0; i < a; i++) {
+
+
+ for (int j = 0; j < a; j++) {
+
+ if(i==0 || i==a-1 || j==0 || j==a-1){
+ System.out.print("*");
+ }
+ else {
+
+ System.out.print(" ");
+ }
+ }
+ System.out.println();
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/SHANXIANHUA.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/SHANXIANHUA.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f441e36aa75bab283fb2acac47044ad9bb4461d0
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/SHANXIANHUA.java"
@@ -0,0 +1,26 @@
+package wqewqwe;
+
+public class SHANXIANHUA {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int sum = 0;
+ int sua = 0;
+ int suv = 0;
+ int ki =0;
+ for (int i = 100; i < 1000; i++) {
+ sum=i/100;
+ sua=i/10%10;
+ suv=i%10;
+ if(sum*sum*sum+sua*sua*sua+suv*suv*suv==i)
+
+ {
+ System.out.println(i);
+ }
+
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/jiujiu.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/jiujiu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e9fdfe6ee7fd1a9722a9dbd8dd2c22a28b528fa8
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/jiujiu.java"
@@ -0,0 +1,19 @@
+package wqewqwe;
+
+public class jiujiu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ for (int i = 1; i <= 9; i++) {
+ {for (int j = 1; j <= 9; j++) {
+ if(j<=i){System.out.print(i+"*"+j+"="+i*j+"\t");}
+ }
+
+ }
+ System.out.println();
+
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/zhengfangxing.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/zhengfangxing.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a74c8abcc61365758e3eefbea36f2ab353d04f2e
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/zhengfangxing.java"
@@ -0,0 +1,25 @@
+package wqewqwe;
+
+import java.util.Scanner;
+
+public class zhengfangxing {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.print("输入边长");
+ int a = scan.nextInt();
+ for (int i = 0; i < a; i++) {
+
+
+ for (int j = 0; j < a; j++) {
+
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo01.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9be22a34333c90fd4ede1f9eb7120333e8677f7e
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo01.java"
@@ -0,0 +1,25 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[]args ) {
+ int sum=0;
+ int a;
+ Scanner scanner=new Scanner(System.in);
+ while (true) {
+ System.out.println("输入消费金额");
+ a=scanner.nextInt();
+ if(a<=0&&a!=-1) {
+ System.out.println("报错，");
+ continue;
+ }
+ if(a==-1) {
+ break;
+ }
+ sum+=a;
+ }
+ System.out.println("消费总额为："+sum);
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo02.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d661fb8ba597d47a696502ce76c4c275814611a2
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo02.java"
@@ -0,0 +1,17 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ int a=1;
+
+ Scanner scanner=new Scanner(System.in);
+ for (int i = 1; i < 10; i++) {
+ a=(a+1)*2;
+ }
+ System.out.println(a);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo03.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3be1bed39114dc782f34e8483cdec96e7ddd6f8c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo03.java"
@@ -0,0 +1,19 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ for (int i = 100; i <= 999; i++) {
+ int b = i / 100;
+ int c = i % 100 / 10;
+ int d = i % 100 % 10;
+ if ((b * b * b + c * c * c + d * d * d) == i) {
+ System.out.println(i + "是水仙花数");
+ }
+ }
+ }
+
+}
+
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo04.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..caede1c6ab0cc9d85260ce5335669eb111e51111
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo04.java"
@@ -0,0 +1,15 @@
+package lession;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ for(int i=1 ;i<10;i++) {
+ for(int x=1;x<=i;x++) {
+ System.out.print(x+"*"+i+"="+(x*i)+"\t");
+ }
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo05.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9e1584fedb6d2acfc4214e5b96323d5cf8bce808
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo05.java"
@@ -0,0 +1,19 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("输入正方形的边长");
+ int i=scanner.nextInt();
+ for(int a=1;a<=i;a++) {
+ for(int b=1;b<=i;b++) {
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo06.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7eb75a16cd73034a636eb71484641adaf5a8c902
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo06.java"
@@ -0,0 +1,25 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("输入正方形的边长");
+ int i=scanner.nextInt();
+ for(int a=1;a<=i;a++) {
+ for(int b=1;b<=i;b++) {
+ if(a==1||a==i||b==1||b==i) {
+ System.out.print("*");}
+ else {
+ System.out.print(" ");
+ }
+ }
+
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo07.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b9994b5775f113ec9f2ce9320747103d9e117d50
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo07.java"
@@ -0,0 +1,33 @@
+package ht;
+
+import java.util.Scanner;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+ int sum=0;
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int [5];
+ for(int i=0;i<5;i++) {
+ System.out.println("输入员工的年龄");
+ a[i]=scanner.nextInt();
+
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for (int c=1;c<5;c++) {
+ if(maxa[e]) {
+ min=a[e];
+ }
+ }
+ System.out.println("平均年龄为："+(sum/5));
+ System.out.println("年龄最大为："+max);
+ System.out.println("年龄最小为："+min);
+}
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo08.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..89932a629ff7b763f049e6008655e8b0b3882738
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo08.java"
@@ -0,0 +1,33 @@
+package ht;
+
+import java.util.Scanner;
+
+public class Demo08 {
+
+ public static void main(String[] args) {
+ //需求：在编程竞赛中，有6个评委为参赛的选手打分，分数为0-100的整数分。
+ // 选手的最后得分为：去掉一个最高分和一个最低分后 的4个评委平均值 (不考虑小数部分)。
+ //补充说明：在控制台输入评委的评分后，输出选手的最终得分。
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int[6];
+ int sum=0;
+ for (int i = 0; i < 6; i++) {
+ System.out.println("请为选手评分");
+ a[i]=scanner.nextInt();
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for(int k=1;k<6;k++) {
+ if(maxa[g]) {
+ min=a[g];
+ }
+ }
+ System.out.println("选手最终得分为："+((sum-max-min)/4));
+}
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo09.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo09.java"
new file mode 100644
index 0000000000000000000000000000000000000000..99b41336ca6efe8914b4f1ddde528cf9e4efccda
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo09.java"
@@ -0,0 +1,19 @@
+package ht;
+
+import java.util.Scanner;
+
+public class Demo09 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ // 需求：
+ // 已知一个数组 arr = {19, 28, 37, 46, 50}; 键盘录入一个数据，查找该数据在数组中的索引，
+ // 并在控制台输出找到的索引值。
+ int arr[]= {19,28,37,46,50};
+ System.out.println("请输入一个有用的数据");
+ int i=scanner.nextInt();
+ int sum=arr[i];
+ System.out.println("索引值为："+sum);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo10.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo10.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0cc115d75a8117b88a9ff3453efe3612241760f3
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/Demo10.java"
@@ -0,0 +1,31 @@
+package ht;
+
+public class Demo10 {
+
+ public static void main(String[] args) {
+ for(int i=1;i<=5;i++) {
+ for(int a=1;a<=6-i;a++){
+ System.out.print(" ");
+ }
+
+ for(int b=1;b<=2*i-1;b++) {
+ System.out.print("*");
+
+ }
+ System.out.println();
+ }
+ for(int g=1;g<=4;g++) {
+ for(int a=1;a<=g+1;a++){
+ System.out.print(" ");
+ }
+
+ for(int b=1;b<=9-2*g;b++) {
+ System.out.print("*");
+
+ }
+ System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/CFB.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/CFB.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c45c24c178e814aadfbf9b57fa3181e10c7a72fa
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/CFB.java"
@@ -0,0 +1,15 @@
+
+public class CFB {
+
+ public static void main(String[] args) {
+ for (int i = 1; i <=9; i++) {
+ for (int j = 1; j <=9; j++) {
+ if (!(j>i)) {
+ System.out.print(i+"*"+j+"="+i*j+"\t");
+ }
+
+ }System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/GW.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/GW.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6d43103cca43f8182e9bc256d6d70c26145c520a
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/GW.java"
@@ -0,0 +1,24 @@
+import java.util.Scanner;
+
+public class GW {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ int a =0;
+ for(int i=0;i<5; ) {
+ System.out.println("请输入金额");
+ int b=scan.nextInt();
+ a=b+a;
+ if(b == -1) {
+ System.out.println("总金额"+a);
+ break;
+ }if(b<=0) {
+ System.out.println("报错信息,本次输入不列入总金额计算");
+ continue;
+ }
+
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/HZCT.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/HZCT.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2ea5aa35f18e520a249367d912115e0adb490e85
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/HZCT.java"
@@ -0,0 +1,14 @@
+
+public class HZCT {
+
+ public static void main(String[] args) {
+
+ int a=1;
+ for (int i = 1; i <10 ; i++) {
+ a=(a+1)*2;
+
+ System.out.println(a);
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/KXZFX.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/KXZFX.java"
new file mode 100644
index 0000000000000000000000000000000000000000..98b49866f3b86f74c7a49e151c86997c826b09d8
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/KXZFX.java"
@@ -0,0 +1,22 @@
+import java.util.Scanner;
+
+public class KXZFX {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入正方形边长");
+ int a =scan.nextInt();
+
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j 0; i--) {
+ for (int j = 1; j <= 5 - i; j++) {
+ System.out.print(" ");
+ }
+ for (int j = 1; j <= 2 * i - 1; j++) {
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+
+ }
+}
+
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/SXHS.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/SXHS.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7cca18e135f5dd343c817a5ef07c5a0f3efab4fe
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/SXHS.java"
@@ -0,0 +1,19 @@
+
+public class SXHS {
+
+ public static void main(String[] args) {
+ int a;
+ int b;
+ int c;
+ for (int i = 100; i <1000; i++) {
+ a=i/100;
+ b=i/10;
+ b=b%10;
+ c=i%10;
+ if (a*a*a+b*b*b+c*c*c==i) {
+ System.out.println(i);
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/SXZFX.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/SXZFX.java"
new file mode 100644
index 0000000000000000000000000000000000000000..dcabdaf3a755af3c4fff1f7eb9195c2c4254247f
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/SXZFX.java"
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+
+public class SXZFX {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入正方形边长");
+ int a =scan.nextInt();
+
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j max) {
+ max=a[i];
+ }if (a[i]max) {
+ max = a[i];
+ }
+ if (a[i]j)) {
+ System.out.println(i+"*"+j+"="+i*j+"\t");
+ }
+ }
+ System.out.println();
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo2.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e4f424a9a40001c62c6bf1bf86f6b703259698ed
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo2.java"
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入正方形边长：");
+ int num = scanner.nextInt();
+
+ for (int i = 0; i < num; i++) {
+ for (int j = 0; j < num; j++) {
+ if(i==0 ||i==num-1|| j==0 ||j==num-1) {
+ System.out.print("*");
+ }else {
+ System.out.print(" ");
+ }
+ }System.out.println();
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo3.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..976a351d525cc8565d64dbda9f05ba1baaa50ed2
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo3.java"
@@ -0,0 +1,36 @@
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner (System.in);
+
+ System.out.println("请输入菱形的边长：");
+ int size=scanner.nextInt();
+
+ for (int i = 1; i <= size; i++) {
+ for (int j = 1; j <= size - i; j++) {
+ System.out.print(" ");
+ }
+
+ for (int k = 1; k <= 2 * i - 1; k++) {
+ System.out.print('*');
+ }
+ System.out.println();
+ }
+ for (int i = 1; i <= size-1; i++) {
+ for (int j = 1; j <= i; j++){
+ System.out.print(" ");
+ }
+
+ for (int k = 2*size-3; k >= 2 * i - 1; k--){
+ System.out.print('*');
+ }
+ System.out.println();
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo4.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0ad372b949b0902ead5284837366527c6bc1d820
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo4.java"
@@ -0,0 +1,22 @@
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stu\
+Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入正方形边长：");
+ int num = scanner.nextInt();
+
+ for (int i = 0; i < num; i++) {
+ for (int j = 0; j < num; j++) {
+
+ System.out.print("*");
+
+ }System.out.println();
+
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo5.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ac77dac3a3cbb3a496a1b4f4faa83463ca86c09f
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo5.java"
@@ -0,0 +1,24 @@
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner (System.in);
+
+ int sum =0;
+
+ for (int i = 0; i < 5; i++) {
+ System.out.println("请用户输入金额：");
+ int num= scanner.nextInt();
+
+ if( num ==-1) {
+ break;
+ }
+ sum += num;
+ }System.out.println("金额总额为"+sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo6.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..695f399cb5402fc6801bbdeef32700bcd0606965
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo6.java"
@@ -0,0 +1,18 @@
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ int a=1;
+ for (int i = 1; i < 10; i++) {
+ a=(a+1)*2;
+ }
+ System.out.println(a);
+ }
+
+
+ }
+
+
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo7.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..31e8f9794d96104465ca9937ac8f9194a9e47da3
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo7.java"
@@ -0,0 +1,31 @@
+import java.util.Scanner;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ int []a=new int[6];
+ int sum=0;
+ for (int i = 0; i < 6; i++) {
+ System.out.println("请为选手评分");
+ a[i]=scanner.nextInt();
+ sum+=a[i];
+ }
+ int max=a[0];
+ int min=a[0];
+ for(int k=1;k<6;k++) {
+ if(maxa[g]) {
+ min=a[g];
+ }
+ }
+ System.out.println("选手最终得分为："+((sum-max-min)/4));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo8.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5e1928e0136d94908f6da5437f59696961978384
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo8.java"
@@ -0,0 +1,21 @@
+
+public class Demo8 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a;
+ int b;
+ int c;
+
+ for (int i = 100; i <= 999; i++) {
+ a = i / 100;
+ b= i % 100 / 10;
+ c = i % 100 % 10;
+ if (a * a * a + b * b*b+ c * c * c== i) {
+ System.out.println(i);
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo9.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo9.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bedc86875d28f77c761d7e269c4b8effe250781c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo9.java"
@@ -0,0 +1,17 @@
+import java.util.Scanner;
+
+public class Demo9 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+
+ int arr[]= {19,28,37,46,50};
+ System.out.println("请输入一个有用的数据");
+ int i=scanner.nextInt();
+ int sum=arr[i];
+ System.out.println("索引值为："+sum);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/HS.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/HS.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c61f6cadec566a63901f3ca90fa17a524749ee10
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/HS.java"
@@ -0,0 +1,24 @@
+
+public class HS {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 需求：在控制台输出所有的“水仙花数”
+// 解释：什么是水仙花数？
+// 水仙花数，指的是一个三位数，个位、十位、百位的数字立方和等于原数
+// 例如: 153 1*1*1 + 5*5*5 + 3*3*3 = 153
+ int b=0;
+ System.out.println("水仙花数：");
+ for (int i = 100; i < 1000; i++) {
+ int i1=i%10;
+ int i10=i/10%10;
+ int i100=i/100;
+ if(i1*i1*i1+i10*i10*i10+i100*i100*i100==i) {
+ System.out.println(i);
+ b++;
+ }
+ }
+ System.out.println("水仙花束"+b);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/NL.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/NL.java"
new file mode 100644
index 0000000000000000000000000000000000000000..00301a9c7d5daba87f0af2a18cd24b8f4ab8716a
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/NL.java"
@@ -0,0 +1,32 @@
+import java.util.Scanner;
+
+public class NL {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 开发部有5名员工， 编写一个程序， 用于接收每个员工的年龄，
+// 计算并输出开发部员工的平均年龄， 最大年龄及最小年龄。
+
+ Scanner scan=new Scanner(System.in);
+ int []a=new int[5];
+ int sum=0;
+ for (int i = 0; i < 5; i++) {
+ System.out.println("请输入员工年龄");
+ a[i]=scan.nextInt();
+ sum=a[i]+sum;
+ }
+ int b=a[0];
+ for (int i = 0; i < a.length; i++) {
+ b=a[i];
+ }
+ int v=a[0];
+ for (int i = 0; i > a.length; i++) {
+ v=a[i];
+ }
+ double ave=sum/5;
+ System.out.println("平均年龄为"+ave);
+ System.out.println("最大年龄为"+b);
+ System.out.println("最小年龄为"+v);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/PF.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/PF.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ab18d2c135032cbb9ab835f2464e322040ea5c3e
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/PF.java"
@@ -0,0 +1,29 @@
+import java.util.Scanner;
+
+public class PF {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 需求：在编程竞赛中，有6个评委为参赛的选手打分，分数为0-100的整数分。
+// 选手的最后得分为：去掉一个最高分和一个最低分后 的4个评委平均值 (不考虑小数部分)。
+// 补充说明：在控制台输入评委的评分后，输出选手的最终得分。
+ Scanner scan=new Scanner(System.in);
+ int sum=0;
+ int max=0;
+ int min=0;
+ int a[]=new int[6];
+ for (int i = 0; i < 6; i++) {
+ System.out.println("请输入分数");
+ a[i]=scan.nextInt();
+ sum=sum+a[i];
+ }
+ for (int i = 0; i < a.length; i++) {
+ max=a[i];
+ }
+ for (int i = 0; i > a.length; i++) {
+ min=a[i];
+ }
+ int b=(sum-min-max)/4;
+ System.out.println("得分为"+b);
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/SP.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/SP.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7de5a8632c46c981560dba1a78df9b1dfe179564
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/SP.java"
@@ -0,0 +1,26 @@
+import java.util.Scanner;
+
+public class SP {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 请用户输入购买商品的金额，直到输入-1为止，并求出本次购物的总金额。
+// 注意：当用户输入的金额小于或等于0时，打印报错信息，并且本次输入不列入总金额计算。
+ Scanner scan=new Scanner(System.in);
+ int sum=0;
+ while(true) {
+ System.out.println("请输入金额");
+ int a=scan.nextInt();
+ if(a<=0&a!=-1) {
+ System.out.println("打印报错信息");
+ }
+ if(a==-1) {
+ break;
+ }else {
+ sum=sum+a;
+ }
+ }
+ System.out.println(sum);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/SY.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/SY.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b74da97c2b069b6e972e08c0813fde32621d688e
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/SY.java"
@@ -0,0 +1,27 @@
+import java.util.Arrays;
+import java.util.Scanner;
+
+public class SY {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 需求：
+// 已知一个数组 arr = {19, 28, 37, 46, 50}; 键盘录入一个数据，查找该数据在数组中的索引，并在控
+// 制台输出找到的索引值。
+ Scanner scan= new Scanner(System.in);
+ int[] arr= {19, 28, 37, 46, 50};
+ System.out.println("原数组为"+Arrays.toString(arr));
+ main(args);
+ System.out.println("请输入一个数字");
+ int a=scan.nextInt();
+ for (int i = 0; i < arr.length; i++) {
+ if(a==arr[i]) {
+ System.out.println(i);
+ }else {
+ a++;
+ }
+ }
+ System.out.println(a);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/TZ.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/TZ.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7d6e3dc10fb7c3f5f6b015d2970cd845d4dea869
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/TZ.java"
@@ -0,0 +1,15 @@
+
+public class TZ {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 有一堆桃子，猴子第一天吃了一半，又多吃了一个，第二天吃余下桃子的一半，
+// 又多吃一个，第十天猴子想吃桃子，发现只剩一个，问第一天有多少个桃子
+ int a=1;
+ for (int i = 10; i >=2; i--) {
+ a=(a+1)*2;
+ }
+ System.out.println(a);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/XFB.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/XFB.java"
new file mode 100644
index 0000000000000000000000000000000000000000..58476d4fdd68c8c3a273a77c56d115a1f2ce1c8d
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/XFB.java"
@@ -0,0 +1,16 @@
+
+public class XFB {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 1; i < 10; i++) {
+ for (int j = 1; j < 10; j++) {
+ if(j<=i) {
+ System.out.print(i+"*"+ j +"="+(i*j)+"\t");
+ }
+ }
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/ZFX.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/ZFX.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ab51cf1b951285554709530f0b363d2915aaf44d
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/ZFX.java"
@@ -0,0 +1,29 @@
+import java.util.Scanner;
+
+public class ZFX {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 用户输入正方形边长，用*打印出空心正方形。
+//
+// 如：用户输入5，则输出如下图形。
+// *****
+// * *
+// * *
+// * *
+// *****
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入正方形的边长：");
+ int a=scan.nextInt();
+ for (int i = 0; i i) {
+ }else {
+ int sum=i*j;
+ System.out.print(i+"*"+j+"="+sum+ "\t");
+ }
+ }
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Gouwu.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Gouwu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cdc95a99edc1ecead9281e1a276670254bb11a52
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Gouwu.java"
@@ -0,0 +1,34 @@
+package c;
+
+import java.util.Scanner;
+
+public class Gouwu {
+
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ int a=0;
+ int b=0;
+ for (int i = 0; i < 80; i++) {
+ System.out.println("请输入购物金额：");
+ a=scanner.nextInt();
+ b=b+a;
+
+ if (a==-1) {
+ b=b+1;
+ System.out.println("购物的总金额为"+b);
+ break;
+
+ }
+ if(a<=0 && a!=-1) {
+ System.err.println("报错信息，并且本次输入不列入总金额计算");
+ b=b-a;
+
+ }
+ continue;
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Houzichitao.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Houzichitao.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6986b670376e803eb291b19e765c5796f673bfca
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Houzichitao.java"
@@ -0,0 +1,21 @@
+package c;
+
+import java.util.Scanner;
+
+public class Houzichitao {
+
+ public static void main(String[] args) {
+ int a=1;
+ // TODO Auto-generated method stub
+ for (int i = 1; i < 10; i++) {
+ a=a+1;
+ a=2*a;
+
+ }
+ System.out.println(a);
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Linxing.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Linxing.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e4d0de0c960d21f3277d4be6d3eaf6274ec6b7ab
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Linxing.java"
@@ -0,0 +1,28 @@
+package c;
+
+public class Linxing {
+
+ public static void main(String[] args) {
+ for(int i=1;i<=5;i++) {
+
+ for(int a=1;a<=6-i;a++){
+
+ System.out.print(" ");
+}
+ for (int j = 1; j <=2*i-1; j++) {
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+ for(int g=1;g<=4;g++) {
+ for(int a=1;a<=g+1;a++){
+ System.out.print(" ");
+ }
+ for(int b=1;b<=9-2*g;b++) {
+ System.out.print("*");
+ }
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Pingfeng.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Pingfeng.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e16538be68fa85b573efe5f6898b09c2bc4a776c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Pingfeng.java"
@@ -0,0 +1,39 @@
+package c;
+
+import java.util.Scanner;
+
+public class Pingfeng {
+
+ public static void main(String[] args) {
+ // 选手的最后得分为：去掉一个最高分和一个最低分后 的4个评委平均值 (不考虑小数部分)。
+// 补充说明：在控制台输入评委的评分后，输出选手的最终得分。
+ int max=0;
+ int min=0;
+ int sum=0;
+ int []a=new int [6];
+ Scanner scanner=new Scanner(System.in);
+
+ for (int i = 0; i <=5 ; i++) {
+ System.out.println("请输入第"+(i+1)+"位评委的评分");
+ a[i]=scanner.nextInt();
+ sum=sum+a[i];
+ if (a[i]<0 || a[i]>100) {
+ System.out.println("输入错误");
+
+
+ }
+ if (a[i]>max) {
+ max=a[i];
+ }else {
+ min=a[i];
+
+ }
+
+
+
+ }
+ int d=sum-max-min;
+ System.out.println("最终分数为"+d/4);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Shuixianhua.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Shuixianhua.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3ea56790889c6e46b1956a56b9295ea459e0407c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Shuixianhua.java"
@@ -0,0 +1,19 @@
+package c;
+
+public class Shuixianhua {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for (int i = 100; i < 1000; i++) {
+ int a=i/100;
+ int b=(i/10)%10;
+ int c=i%10;
+ if ((a*a*a)+(b*b*b)+(c*c*c)==i) {
+ System.out.println(i);
+
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Shuzu.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Shuzu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..58d40ca766d0860395efcea6b088f26cb3cd935b
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Shuzu.java"
@@ -0,0 +1,32 @@
+package c;
+
+import java.util.Scanner;
+
+public class Shuzu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ int[ ] a = new int [5];
+ int sum=0;
+ int b=0;
+ int c=0;
+ int d=0;
+
+ for (int i = 0; i <= 4; i++) {
+ System.out.println("请输入员工的年龄");
+ a[i]=scanner.nextInt();
+ sum=sum+a[i];
+ if (a[i]>c) {
+ c=a[i];}
+ else {
+ d=a[i];
+ }
+ }
+ System.out.println("年龄最大的是"+ c +"岁");
+ System.out.println("年龄最小的是"+ d +"岁");
+ b=sum/5;
+ System.out.println("平均年龄是"+b);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Suoyin.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Suoyin.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8a50b817f636e11e2902cf5d546f9eff95674f2d
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Suoyin.java"
@@ -0,0 +1,25 @@
+package c;
+
+import java.util.Scanner;
+
+public class Suoyin {
+
+ public static void main(String[] args) {
+ // 已知一个数组 arr = {19, 28, 37, 46, 50}; 键盘录入一个数据，
+// 查找该数据在数组中的索引，并在控
+// 制台输出找到的索引值。
+ Scanner scanner=new Scanner(System.in);
+ int[]arr= {19,28,37,46,50};
+
+ System.out.println("请输入你要找的数据：");
+ int number=scanner.nextInt();
+ for (int i = 0; i < 4; i++) {
+ if(number==arr[i]) {
+ System.out.println("索引值为"+i);
+ return;
+
+ }
+ }
+}
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zhengfanxing.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zhengfanxing.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ea98860d6b8ec49bda2256db90ee2992d8d8fcdd
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Zhengfanxing.java"
@@ -0,0 +1,24 @@
+package c;
+
+import java.util.Scanner;
+
+public class Zhengfanxing {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入正方形边长");
+ int a=scanner.nextInt();
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ System.out.print(" "
+ + "*");
+ }
+ System.out.println("");
+
+
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/konzhengfangxing.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/konzhengfangxing.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9b64d6d1b5b411b48a4fb6aa3f76483d96eff5e2
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/konzhengfangxing.java"
@@ -0,0 +1,28 @@
+package c;
+
+import java.util.Scanner;
+
+public class konzhengfangxing {
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入正方形边长");
+ int a=scanner.nextInt();
+
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ if(i==0||i==a-1||j==0||j==a-1) {
+ System.out.print(" *");
+ }
+ else {
+ System.out.print(" ");
+ }
+
+ }
+ System.out.println();
+
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo1.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..665ac4d18eb6e530aad1b8a12c1777d7eb679801
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo1.java"
@@ -0,0 +1,23 @@
+package bakabka;
+
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner (System.in);
+ int sum=0;
+
+ for(int x=0;x<100;x++) {
+ System.out.println("请输入您的金额：");
+ int a=scanner.nextInt();
+ if(a<=0) {
+ System.out.println("统计结束");
+ break;
+ }
+ sum+=a;
+ }
+ System.out.println("您的金额总额为"+sum);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo2.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..253a03220fe319f252e7e2feb3079c37c1f6bcc3
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo2.java"
@@ -0,0 +1,15 @@
+package bakabka;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ int a=1;
+
+ for(int x=1;x<10;x++) {
+ a=(a+1)*2;
+ System.out.println("第"+(10-x)+"天，有"+a+"个桃子");
+ }
+ System.out.println(a);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo3.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0b4db95d9deeaf311ccb9c4763999dfd81db3261
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo3.java"
@@ -0,0 +1,24 @@
+package bakabka;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ int a;
+ int b;
+ int c;
+ int y;
+
+ for(int x=100;x<1000;x++) {
+ a=x/100;
+ b=(x%100)/10;
+ c=x%10;
+ y=(a*a*a)+(b*b*b)+(c*c*c);
+ if(x==y) {
+ System.out.println(x);
+ }
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo4.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..83f420b7b6a4fd271738e7eab077f7e62e81b18e
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo4.java"
@@ -0,0 +1,20 @@
+package bakabka;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+
+ for(int x=1;x<10;x++) {
+ for(int y=1;y<10;y++) {
+ if(y>x) {
+
+ }else {
+ System.out.print(x+"*"+y+"="+(x*y)+"\t");
+ }
+ }
+ System.out.println( );
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo5.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ba03b4bdf584cc87106b9e3012978c3108daa9b1
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo5.java"
@@ -0,0 +1,21 @@
+package bakabka;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner (System.in);
+ System.out.println("请输入一个数字");
+ int x=scanner.nextInt();
+
+ for(int y=1;x>=y;y++) {
+ for(int z=1;x>=z;z++) {
+ System.out.print("*");
+ }
+
+ System.out.println("*");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo6.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..20d7496578d5e5f13e9b9addb01d3ecb53b22523
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo6.java"
@@ -0,0 +1,25 @@
+package bakabka;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner (System.in);
+ System.out.println("请输入一个数字");
+ int x=scanner.nextInt();
+
+ for(int y=0;x>y;y++) {
+ for(int z=0;x>z;z++) {
+ if(z==0||z==x-1||y==0||y==x-1) {
+ System.out.print(" *");
+ }else {
+ System.out.print(" ");
+ }
+ }
+
+ System.out.println( );
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo7.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d942561cfa363a5fb90f8617303eceba548db855
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/Demo7.java"
@@ -0,0 +1,10 @@
+package bakabka;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj0.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj0.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c06d916b69da9d7547433fba2713e88ef303ed45
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj0.java"
@@ -0,0 +1,29 @@
+import java.util.Scanner;
+
+public class Dj0 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+Scanner liang=new Scanner(System.in);
+
+
+ int sum =0;
+ for (int i = 1; i >0; i++) {
+ System.out.println("输入金额");
+ int a=liang.nextInt();
+
+ if (a== -1) {
+ break;
+ }else if (a<=0) {
+ System.out.println("输入金额有误,请重新输入");
+ continue;
+ }else {
+ sum +=a;
+
+ }
+ }
+ System.out.println("输出金额"+sum);
+ }
+ }
+
+
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj1.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..40928ed1c0707e2cbec6811f49e62b346d91693e
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj1.java"
@@ -0,0 +1,14 @@
+
+public class Dj1 {
+
+ public static void main(String[] args) {
+ int a=1;
+
+ for (int i = 1; i < 10; i++) {
+ a= (a+1)*2;
+ System.out.println("第"+(10-i)+"天"+a);
+ }
+ System.out.println("共有"+a+"个");
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj2.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..57ad3edfb93d5d97c214c584acaa4ee12dde1c6e
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj2.java"
@@ -0,0 +1,27 @@
+import java.util.Scanner;
+
+public class Dj2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+
+
+ int a;
+ int b;
+ int c;
+
+ for (int i = 100; i < 1000; i++) {
+
+ a= i/100;
+ b= (i%100)/10;
+ c= i%10;
+
+ if ((a*a*a)+(b*b*b)+(c*c*c)==i) {
+ System.out.println(i);
+ }
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj3.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2f13c1b97262088f80c3f72f4f4ad02daf9d17eb
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj3.java"
@@ -0,0 +1,19 @@
+
+public class Dj3 {
+
+ public static void main(String[] args) {
+ for (int i = 1; i <10 ; i++) {
+ for (int j = 1; j < 10; j++) {
+ if (i>=j) {
+ System.out.print(j+"*"+i+"="+i*j+"\t");
+ }
+
+
+
+ }System.out.println();
+ }
+ }
+
+ }
+
+
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj4.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f1a36477578dcb3ea51bc1f9381caf5ddb8e66b4
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj4.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class Dj4 {
+
+ public static void main(String[] args) {
+
+ Scanner liang=new Scanner(System.in);
+
+ System.out.println("输入边长");
+ int a=liang.nextInt();
+
+ for (int i = 1; i <=a; i++) {
+ for (int j = 1; j <=a; j++) {
+ System.out.print("*");
+ }System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj5.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d9404f668c45fd6523e81ee535667e8ca347e73a
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj5.java"
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class Dj5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner liang=new Scanner(System.in);
+
+ System.out.println("输入边长");
+ int a=liang.nextInt();
+
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ if (i==0||i==a-1||j==a-1||j==0) {
+ System.out.print("*");
+ }else {
+ System.out.print(" ");
+ }
+ }System.out.println();
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj6.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c7ebcb690edabd0a61fa493030370caaaf2fdef4
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj6.java"
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+public class Dj6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ int arr[]= {19,28,37,46,50};
+
+ Scanner scanner=new Scanner(System.in);
+
+ System.out.println("请输入数组中的数字");
+ int sumber=scanner.nextInt();
+
+ for (int i = 0; i <5; i++) {
+ if (arr[i]==sumber) {
+ System.out.println(i);
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj7.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c7f0756b1ae24133b9e35500efa576e6a125cff0
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj7.java"
@@ -0,0 +1,26 @@
+
+public class Dj7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ for(int a=1;a<=5;a++)
+ {
+ for(int b=1;b<=5-a;b++)
+ System.out.print(" ");
+ for(int c=1;c<=a*2-1;c++)
+ System.out.print("*");
+ System.out.println();
+ }
+ for(int d=4;d>=1;d--)
+ {
+ for(int b=1;b<=5-d;b++)
+
+ System.out.print(" ");
+
+ for(int c=5-d;c<=3+d;c++)
+ System.out.print("*");
+ System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj8.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..58c1f53a1761b4b1baf82967ce78aaedc91ea27a
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Dj8.java"
@@ -0,0 +1,35 @@
+import java.util.Scanner;
+
+public class Dj8 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a[] = new int[6];
+ int sum=0;
+ Scanner scanner=new Scanner(System.in);
+
+ for (int j = 0; j < 6; j++) {
+ System.out.println("为选手打分");
+ a[j]=scanner.nextInt();
+ sum=sum+a[j];
+ }
+ int max=a[0];
+ int min=a[0];
+
+ for (int i = 0; i <6; i++) {
+ if (a[i]>max) {
+
+ max=a[i];
+ }}
+ //System.out.println("最大值是："+max);
+
+ for (int l = 0; l <6; l++) {
+ if (a[l]=j) {
+ System.out.print(i+"*"+j+"="+(i*j)+"\t");
+ }
+ }System.out.println();
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo5.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e949c7af36070804e0b35a8375eb15656090d140
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo5.java"
@@ -0,0 +1,21 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+
+ Scanner scan =new Scanner(System.in);
+
+ System.out.println("请输入正方形边长");
+ int a =scan.nextInt();
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ System.out.print(" *");
+ }System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo6.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d26ffd9d59e09ef12a75d8a9d423d7314c0685b0
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo6.java"
@@ -0,0 +1,25 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+
+ Scanner scan =new Scanner(System.in);
+
+ System.out.println("请输入正方形边长");
+ int a =scan.nextInt();
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ if(i==0||i==a-1||j==0||j==a-1){
+ System.out.print(" *");
+ } else {
+ System.out.print(" ");
+ }
+ }System.out.println();
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo7.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..40bb23a6249d13dbbbc28be32845b101244baa9b
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo7.java"
@@ -0,0 +1,21 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ Scanner scan =new Scanner(System.in);
+ int mean=0;
+ int max=0;
+ int min=0;
+ int [] b=new int [6];
+ for (int i = 1; i <=5; i++) {
+ System.out.println("请输入第"+i+"个员工的年龄");
+ b[i] =scan.nextInt();
+ mean=(b[1]+b[2]+b[3]+b[4]+b[5])/5;
+ }System.out.println("平均年龄为"+mean);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a1.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0b020c3f7bcb84c79d636f1350e3814ea38aa56c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a1.java"
@@ -0,0 +1,28 @@
+import java.util.Scanner;
+import java.util.concurrent.locks.Condition;
+
+public class a1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scanner = new Scanner(System.in);
+ int sum = 0;
+ int a;
+ for (int i = 0; i < 5; i++) {
+ System.out.println("请输入商品的价格");
+ a = Scanner.nextInt();
+
+ if (a == -1) {
+ break;
+ }
+ sum += a;
+ if (a <= 0) {
+ System.out.println("输出错误");
+ continue;
+ }
+
+ }
+ System.out.println("输出结果" + sum);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a2.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..42d39b0e177afa476afc42d5203aaaba80d64704
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a2.java"
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class a2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scan=new Scanner(System.in);
+ int sum=0;
+ int a=1;
+ for (int i = 1; i <10; i++) {
+ a=(a+1)*2;
+ sum=a;
+ System.out.println("桃子"+a);
+ }
+ System.out.println("桃子总数"+sum);
+
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a3.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c91b540ed6e68f5be41dc1402ed74fd5b22401e6
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a3.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class a3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scan = new Scanner(System.in);
+ int a;
+ int b;
+ int c;
+ for (int i = 100; i < 999; i++) {
+ a = i / 100;
+ b = i / 10 % 10;
+ c = i % 10;
+ if (i == a * a * a + b * b * b + c * c * c) {
+ System.out.println("水仙花数：" + i);
+ }
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a4.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..39ad401d769f742d1e4d061df7baf3d6f4a1f38d
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a4.java"
@@ -0,0 +1,18 @@
+
+public class a4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+for (int i = 1; i <=9; i++) {
+ for (int j = 1; j <=9; j++) {
+
+if (j<=i) {
+ System.out.print(i+"*"+j+"="+(i*j)+"\t");
+}
+ }
+ System.out.println();
+}
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a5.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a5031ec971918df7655418bd84eec805c9effffe
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a5.java"
@@ -0,0 +1,28 @@
+import java.util.Scanner;
+
+public class a5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ // 用户输入正方形边长，用*打印出空心心正方形。
+ // 如：用户输入5，则输出如下图形。
+ // *****
+ // *****
+ // *****
+ // *****
+ // *****
+ Scanner Scan = new Scanner(System.in);
+ System.out.println("请输入正方形的边长");
+ int a = Scan.nextInt();
+ for (int j = 0; j < a; j++) {
+ if (j==0||j==a-1||i==0||i==a-1) {
+ System.out.print(" *");
+ }
+ else {
+ System.out.print(" ");
+ }
+
+ }
+ System.out.println();
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a6.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d310ff9229ee9a4824a043a76c74958e0e33ebc3
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a6.java"
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class a6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scan = new Scanner(System.in);
+ System.out.println("请输入正方形的边长");
+ int a = Scan.nextInt();
+ for (int i = 0; i < a; i++) {
+ for (int j = 0; j < a; j++) {
+ if (j==0||j==a-1||i==0||i==a-1) {
+ System.out.print("*");
+ }
+ else {
+ System.out.print("*");
+ }
+
+ }
+System.out.println();
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a7.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f670e4295496c3a93c7a4b2177b5bb0a5d213b68
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a7.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class a7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scan = new Scanner(System.in);
+
+ int [] a= {19, 28, 37, 46, 50};
+ for (int i = 0; i < 5; i++) {
+ System.out.println(a[i]);
+
+ }
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a8.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e2a2afc41c1478e82ed0c750a0db30dff66474d1
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a8.java"
@@ -0,0 +1,56 @@
+import java.util.Scanner;
+
+public class a8 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ // 定义1个长度为6的数组
+ int[] arr = new int[6];
+ Scanner sc = new Scanner(System.in);
+
+ for (int x = 0; x < arr.length; x++) {
+ System.out.println("请输入第" + (x + 1) + "个评委给的分数(0-100):");
+ int score = sc.nextInt();
+ arr[x] = score;
+ }
+
+ int max = getMax(arr);
+ int min = getMax(arr);
+ int sum = sum(arr);
+ int avge = (sum - max - min) / (arr.length - 2);
+ System.out.println("平均分是" + avge);
+ }
+
+ public static int getMax(int[] arr) {
+ int max = arr[0];
+
+ for (int x = 1; x < arr.length; x++) {
+ if (max < arr[x]) {
+ max = arr[x];
+ }
+ }
+ return max;
+ }
+
+ public static int getMin(int[] arr) {
+
+ int min = arr[0];
+
+ for (int x = 1; x < arr.length; x++) {
+ if (min > arr[x]) {
+ min = arr[x];
+ }
+ }
+ return min;
+ }
+
+ public static int sum(int[] arr) {
+ int sum = 0;
+ for (int x = 0; x < arr.length; x++) {
+
+ sum += arr[x];
+ }
+ return sum;
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a9.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a9.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1fc56c24174211e5e54940d70b78260a3600386a
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a9.java"
@@ -0,0 +1,46 @@
+public class a9 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ for (int i = 1; i <= 4; i++) {
+
+ for (int j = 1; j <= 4 - i; j++) {
+
+ System.out.print(" ");
+
+ }
+
+ for (int z = 1; z <= i * 2 - 1; z++) {
+
+ System.out.print("*");
+
+ }
+
+ System.out.println();
+
+ }
+
+ for (int i = 1; i <= 3; i++) {
+
+ for (int j = 1; j <= i; j++) {
+
+ System.out.print(" ");
+
+ }
+
+ int y = 3;
+
+ for (int z = 5; z >= 2 * i - 1; z--) {
+
+ System.out.print("*");
+
+ }
+
+ System.out.println();
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/readme.txt" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/readme.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..ddae206849d24dc3c4dd4860cd05f50bc0825a5e
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/readme.txt"
@@ -0,0 +1 @@
+Java第三次作业
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo1.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..71d0490f356ddd71eb55b1e68970ace4ee9fdbbc
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo1.java"
@@ -0,0 +1,20 @@
+package Lession6;
+import java.util.Scanner;
+public class Demo1 {
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入小王的性别：");
+ String pw1 = scanner.next();
+ System.out.println("请输入小张的性别");
+ String pw2 = scanner.next();
+
+ if (pw1.equals(pw2)) {
+ System.out.println("对不起你们不能结婚");
+
+ }else {
+ System.out.println("恭喜，你们可以结婚"
+ );
+
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo2.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0c9049ba70611ebece6181b6ffca2235241cbe6b
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo2.java"
@@ -0,0 +1,29 @@
+package Lession6;
+
+import java.util.Scanner;
+
+public class Demo {
+ public static void main(String[] args) {
+ int a;
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入成绩");
+ a = scanner.nextInt();
+ if (a>=81&&a<=100) {
+ System.out.println("该同学是A等级");
+
+ }
+ else if (a>=60&&a<=80) {
+ System.out.println("该同学是B等级");
+
+ }
+ else if (a<60&&a>0) {
+ System.out.println("该同学是C等级");
+ }
+ else if(a==0|a>100) {
+ System.out.println("成绩输入有误，请重新输入");
+
+
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo3.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..38049833c625ca1fa793d819f5ab35358d749521
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo3.java"
@@ -0,0 +1,20 @@
+package Lession6;
+
+import java.util.Scanner;
+
+public class Demo3 {
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入总价");
+ int a = scanner.nextInt();
+ if (a<100 && a > 0) {
+ System.out.println("无折扣");
+ } else if (a<500&& a >= 100) {
+ System.out.println("九折");
+ } else if (a<1000 && a >= 500) {
+ System.out.println("85折");
+
+ }
+
+ }
+ }
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo4.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3c0c6a1dffd8a4ead1a1527094d7cb49799f8066
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo4.java"
@@ -0,0 +1,37 @@
+package Lession6;
+
+import java.util.Scanner;
+
+public class Demo4 {
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ int age;
+ System.out.println("请输入是否结婚");
+ String ismarried = scanner.next();
+ System.out.println("请输入性别");
+ String sex = scanner.next();
+ System.out.println("请输入年龄");
+ age = scanner.nextInt();
+
+ if (ismarried.equals("Y")) {
+ System.out.println("可以买保险");
+
+ }else {
+ if (sex=="男"|age>=25) {
+ System.out.println("可以买保险");
+ }
+ else {
+ if (sex=="女"&&age>=22) {
+ System.out.println("可以买保险");
+
+ } else {
+ System.out.println("不可以买保险");
+
+ }
+
+ }
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..622b4c2b83d8b90021d991dde5dca65c17b99328
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo5.java"
@@ -0,0 +1,32 @@
+package Lession6;
+
+import java.util.Scanner;
+
+public class Demo5 {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入");
+ String a = scan.next();
+ if (a.equals("A")) {
+ System.out.println("是元音");
+
+ } else if(a.equals("E")) {
+ System.out.println("是元音");
+ }
+ else if(a.equals("I")) {
+ System.out.println("是元音");
+ }
+ else if(a.equals("O")) {
+ System.out.println("是元音");
+ }
+ else if(a.equals("U")) {
+ System.out.println("是元音");
+ }
+ else {
+ System.out.println("不是元音");
+ }
+ }
+
+ }
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0f294f49d8c9a3cfd68e8fe31e99ccd60b38c16c
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo6.java"
@@ -0,0 +1,32 @@
+package Lession6;
+
+import java.util.Scanner;
+
+public class Demo6 {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入字母");
+
+ char a = scan.next().charAt(0);
+ if (a>=97&&a<=122 ||a>=65&&a<=90 ) {
+ if (a>=97&&a<=122) {
+ System.out.println("是小写");
+
+ } else {
+ System.out.println("是大写");
+
+ }
+ if (a=='a'||a=='e'||a=='o'||a=='i'||a=='u'||a=='v'||a=='A'||a=='E'||a=='O'||a=='I'||a=='U'||a=='V') {
+ System.out.println("是声母");
+ } else {
+ System.out.println("是韵母");
+ }
+
+ } else {
+ System.out.println("不是字母");
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo7.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a4d7bbfa0b2a678ec8cb7b188c982995dcda7e20
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo7.java"
@@ -0,0 +1,5 @@
+package Lession6;
+
+public class Demo7 {
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome1.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a5d91f358320ed658083927a60aafdd67a922780
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome1.java"
@@ -0,0 +1,25 @@
+package com.lession;
+
+import java.util.Scanner;
+
+public class Dome1 {
+
+ public static void main(String[] args) {
+ String a;
+ String b;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入小王的性别");
+ a = scan .next();
+
+ System.out.println("请输入小张的性别");
+ b = scan .next();
+
+ if(a==b) {
+System.out.println("对不起，你们不能结婚!");
+ }
+ else {
+ System.out.println("恭喜，你们可以结婚!");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome2.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7f9d31f37a01c0c92b5f50dece8c60a9975eb94d
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome2.java"
@@ -0,0 +1,23 @@
+package com.lession;
+
+import java.util.Scanner;
+
+public class Dome2 {
+
+ public static void main(String[] args) {
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入学生成绩:");
+ int a = scan.nextInt();
+if(a<60) {
+ System.out.println("C");
+ }else if(a>=60&a<=80) {
+ System.out.println("B");
+}else if(a>=81&a<=100) {
+ System.out.println("A");
+}else {
+ System.out.println("成绩输入有误，请重新输入");
+ }
+ }
+}
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome3.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5ce62ee0a3440d5574182c88da7bf490c1bba15f
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome3.java"
@@ -0,0 +1,41 @@
+package com.lession;
+
+import java.util.Scanner;
+
+public class Dome3 {
+
+ private static final String Y = null;
+
+ public static void main(String[] args) {
+ // 买保险
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入是否婚否:");
+ String isMarried = scan.next();
+
+ System.out.println("请输入年龄");
+ int age = scan.nextInt();
+
+ System.out.println("请输入性别");
+ String gender= scan.next();
+
+ if(isMarried.equals(Y)) {
+ System.out.println("买保险");
+ }else{
+ if (gender .equals("男")) {
+ if(age>=25) {
+ System.out.println("买保险");
+ }else {
+ System.out.println("不买保险");}
+ }else{
+ if(age>=22) {
+ System.out.println("买保险");
+ }else {
+ System.out.println("不买保险");
+ }
+
+ }
+ }
+ }
+}
+
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f452df02148be4d8ecb95723cf663f66e0a231dc
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome5.java"
@@ -0,0 +1,24 @@
+package com.lession;
+
+import java.util.Scanner;
+
+public class Dome5 {
+
+ public static void main(String[] args) {
+ // 判断字母
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入字母:");
+ char a = scan.next(). charAt(0);
+ if(a>=85&a<=90 || (a>=96&a<=122)) {
+ System.out.println("是字母");
+ }else {
+ System.out.println("不是字母");
+ }if(a=='a' || a=='o' || a=='e' || a=='i' || a=='u' || a=='v' ) {
+ System.out.println("是韵母");
+ }else {
+ System.out.println("是声母");
+
+ }
+ }
+ }
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..def1d361c31071360b036210571c8c76adfc018e
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome6.java"
@@ -0,0 +1,21 @@
+package com.lession;
+
+import java.util.Scanner;
+
+public class Dome6 {
+
+ public static void main(String[] args) {
+ // 元音字母
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入字母:");
+ char a = scan.next(). charAt(0);
+
+ if(a=='A'|| a=='E'|| a=='I'|| a=='O'|| a=='U') {
+ System.out.println("是元音大写字母");
+ }else {
+ System.out.println("不是大写元音字母");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome7.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..dc5cdecac7422047b545e95907186a9e0d2cc00f
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome7.java"
@@ -0,0 +1,42 @@
+package com.lession;
+
+import java.util.Scanner;
+
+public class Dome7 {
+
+ public static void main(String[] args) {
+ //判断大小
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入数字:");
+ int a = scan.nextInt();
+
+ System.out.println("请输入数字:");
+ int b = scan.nextInt();
+
+ System.out.println("请输入数字:");
+ int c = scan.nextInt();
+
+ if(a>b) {
+ if(b>c) {
+ System.out.println(a+ ">"+ b + ">" +c );
+ }else {
+ if(a>c) {
+ System.out.println(a+ ">"+ c + ">" +b );
+ }else {
+ System.out.println(c+ ">"+ a + ">" +b );
+ }
+ }
+ }else {
+ if(b>c) {
+ if(a>c) {
+ System.out.println(b+ ">"+ a + ">" +c );
+ }else {
+ System.out.println(b+ ">"+ c + ">" +a );}
+ }else {
+ System.out.println(c+ ">"+ b + ">" +a );
+
+ }
+
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Done4.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Done4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..aa21c9b380df4b91a989374fa82de7e3e3c5b8b5
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Done4.java"
@@ -0,0 +1,24 @@
+package com.lession;
+
+import java.util.Scanner;
+
+public class Done4 {
+
+ public static void main(String[] args) {
+ // 打折
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入金额:");
+ double a = scan.nextDouble();
+
+ if(a>0&a<100) {
+ System.out.println("无折扣");
+ }else if(a>=100&a<500) {
+ System.out.println("九折");
+ }else if(a>=500&a<1000) {
+ System.out.println("八点五折");
+ } else if(a>=1000&a<5000) {
+ System.out.println("八折");
+ }
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H01.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e7663af7b8a908a43916d0e002263fcb8fcc4c98
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H01.java"
@@ -0,0 +1,27 @@
+package hai;
+
+import java.util.Scanner;
+
+public class H01 {
+
+ public static void main(String[] args) {
+ Scanner scan=new Scanner(System.in);
+
+ System.out.println("请输入性别");
+ String n1=scan.next();
+
+ System.out.println("请输入性别");
+ String n2=scan.next();
+
+ System.out.println("判断结果：8");
+ if(n1.equals(n2)) {
+ System.out.println("抱歉，你们不能结婚");
+ }else {
+ System.out.println("恭喜你们");
+ }
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H02.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0700650ec8448d25bf97de0c8ef798937986f8ac
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H02.java"
@@ -0,0 +1,25 @@
+package hai;
+
+import java.util.Scanner;
+
+public class H02 {
+
+ public static void main(String[] args) {
+ Scanner sca=new Scanner(System.in);
+ System.out.println("请输入成绩：");
+ int n1=sca.nextInt();
+ if (n1>0&&n1<60) {
+ System.out.println("等级是C");
+
+ } else if(n1>=60&&n1<=80){
+
+ System.out.println("等级是B");
+ }else if(n1>=81&&n1<=100) {
+ System.out.println("等级是A");
+ }else{
+ System.out.println("成绩有误");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H03.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..887822a6922d400d9d7deca19ef8bcb1f5664cd2
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H03.java"
@@ -0,0 +1,31 @@
+package hai;
+
+import java.util.Scanner;
+
+public class H03 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ Scanner sca=new Scanner(System.in);
+ System.out.println("请输入网购金额：");
+ int n1=sca.nextInt();
+ if (n1>0&&n1<100) {
+ System.out.println("无折扣");
+
+ } else if(n1>=100&&n1<500){
+
+ System.out.println("等级是9折");
+ }else if(n1>=500&&n1<1000) {
+ System.out.println("等级是8.5折");
+ }else{
+ System.out.println("等级是8折");
+ }
+
+ }
+
+ }
+
+
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H04.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ef1719cef385ad24379411eede58ee36dfa465da
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H04.java"
@@ -0,0 +1,41 @@
+package hai;
+
+import java.util.Scanner;
+
+public class H04 {
+
+ public static void main(String[] args) {
+ Scanner sca=new Scanner(System.in);
+ System.out.println("请输入是否结婚");
+ String hun=sca.next();
+ System.out.println("请输入性别");
+ String x=sca.next();
+ System.out.println("请输入年龄");
+ int a=sca.nextInt();
+
+ if (hun.equals("Y")) {
+
+ System.out.println("可以买保险");
+ } else {
+ if (x.equals("男")) {
+ if (a>25) {
+ System.out.println("可以买保险");
+ } else {
+ System.out.println("不可以买保险");
+ }
+
+ } else {
+ if (a>22) {
+ System.out.println("可以买保险");
+
+ } else {
+ System.out.println("不可以买保险");
+ }
+
+ }
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H05.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3f69b6923953c77c14d0898c03ea4232c2c36654
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H05.java"
@@ -0,0 +1,20 @@
+package hai;
+
+import java.util.Scanner;
+
+public class H05 {
+
+ public static void main(String[] args) {
+ Scanner sca=new Scanner(System.in);
+ System.out.println("请输入一个字母");
+ String N=sca.next();
+
+ if (N.equals("A")||N.equals("E")||N.equals("I")||N.equals("O")||N.equals("U")) {
+ System.out.println("是元音");
+ } else {
+ System.out.println("错误");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H06.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..475428c76cdffb0437e9cd4f7c55d3766621397d
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H06.java"
@@ -0,0 +1,25 @@
+package hai;
+
+import java.util.Scanner;
+
+public class H06 {
+
+ public static void main(String[] args) {
+ int i;
+
+ Scanner sca=new Scanner(System.in);
+ System.out.println("请输入一个字母");
+ char n=sca.next().charAt(0);
+
+ if (n>=65&&n<=90||n>=97&&n<=122) {
+ if (n>97&&n<=122) {
+ System.out.println("小写字母");
+ } else {
+ System.out.println("不是小写字母");
+ }
+ }else
+ System.out.println("不是字母");
+ }
+
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H07.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..26aa836542b5af9aca2ea630699aa2643e091558
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H07.java"
@@ -0,0 +1,32 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入字母：");
+ char a = scanner.next().charAt(0);
+
+ if (a>=65&&a<=90 || a>=97&&a<=122) {
+ if(a>=65&&a<=90) {
+ System.out.println("是大写字母");
+ }else {
+ System.out.println("是小写字母");
+ }
+ }else {
+ if(a>=97&&a<=122) {
+ System.out.println("是小写字母");
+ }else {
+ System.out.println("是大写字母");
+ }
+ }
+ if(a=='a' || a=='o' || a=='e' || a=='i' || a=='u' || a=='v'){
+ System.out.println("是韵母");
+ }else {
+ System.out.println("是声母");
+ }
+}
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H08.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b6855bb227a4633fb80d94756df970375cc2665e
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/H08.java"
@@ -0,0 +1,39 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入第一个数字");
+ int a = scanner.nextInt();
+ System.out.println("请输入第二个数字");
+ int b = scanner.nextInt();
+ System.out.println("请输入第三个数字");
+ int c = scanner.nextInt();
+
+ if(a>b){
+ if(b>c) {
+ System.out.println(a + ">" + b + ">" + c);
+ }else {
+ if(a>c) {
+ System.out.println(a + ">" + c + ">" + b);
+ }else {
+ System.out.println(c + ">" + a + ">" + b);
+ }
+ }
+ }else {
+ if(b>c) {
+ if(a>c) {
+ System.out.println(b + ">" + a + ">" + c);
+ }else {
+ System.out.println(b + ">" + c + ">" + a);
+ }
+ }else {
+ System.out.println(c + ">" + b + ">" + a);
+ }
+ }
+}
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession2.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b99b9350d839b866f2016fed1bd967a9b4c15f6f
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession2.java"
@@ -0,0 +1,21 @@
+import java.util.Scanner;
+
+public class Lession2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+Scanner scanner=new Scanner(System.in);
+System.out.println("输入成绩");
+int a=scanner.nextInt();
+if(a>80 && a<101) {
+ System.out.println("A");
+
+}else if(a>59 && a<81){
+ System.out.println("B");
+
+}else if (a>0 && a<60) {
+ System.out.println("C");
+}
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession3.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c505b6dcf2327f613604a2f089a6ba7c97ce7356
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession3.java"
@@ -0,0 +1,26 @@
+import java.util.Scanner;
+
+public class Lession3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+Scanner scanner=new Scanner(System.in);
+System.out.println("请输入消费金额");
+int a=scanner.nextInt();
+if(a>0 && a<101) {
+ System.out.println("无折");
+ }
+else if(a>99&&a<500) {
+ System.out.println("九折");
+
+}else if(a>500&&a<1001) {
+ System.out.println("8.5折");
+}
+else if(a>1000&a<5001) {
+ System.out.println("8折");
+}
+
+ }
+
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession4.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..76cf019ab3a33b33425a0787b1ea7a5392afa6be
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession4.java"
@@ -0,0 +1,17 @@
+import java.util.Scanner;
+
+public class Lession4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入一个字符");
+ char yu=scanner.next().charAt(0);
+ if (yu=='A'||yu=='E'||yu=='I'||yu=='O'||yu=='U') {
+ System.out.println("是大写的元音字母");
+ }else {
+ System.out.println("不是大写的元音字母");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..268af21d0b04954e8d5dce4175eecd16d587abf0
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession5.java"
@@ -0,0 +1,30 @@
+import java.util.Scanner;
+
+public class Lession5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("是否已婚");
+ String a=scanner.next();
+ System.out.println("性别");
+ String sex=scanner.next();
+ System.out.println("年龄");
+ int age=scanner.nextInt();
+ if(a.equals("Y")) {System.out.println("可买保险");
+
+ }
+ else {System.out.println("不可买保险");
+ if(sex.equals("男")) {
+ System.out.println("可买保险");
+
+ }else {System.out.println("不可买保险");
+ if(age>=25) {
+ System.out.println("可买保险");
+ }else {System.out.println("不可买保险");
+ }
+ }
+
+ }
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a3b0209270271c60d565bfc1c4d8c0b340fc06a1
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession6.java"
@@ -0,0 +1,32 @@
+import java.util.Scanner;
+
+public class Lession6 {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入字母");
+
+ char a = scan.next().charAt(0);
+ if (a>=97&&a<=122 ||a>=65&&a<=90 ) {
+ if (a>=97&&a<=122) {
+ System.out.println("是小写");
+
+ } else {
+ System.out.println("是大写");
+
+ }
+ if (a=='a'||a=='e'||a=='o'||a=='i'||a=='u'||a=='v'||a=='A'||a=='E'||a=='O'||a=='I'||a=='U'||a=='V') {
+ System.out.println("是声母");
+ } else {
+ System.out.println("是韵母");
+ }
+
+ } else {
+ System.out.println("不是字母");
+ }
+
+
+ }
+
+}
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession7.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..59de6ce5a74f7f23b3527cb05c31bc342fd0e208
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/Lession7.java"
@@ -0,0 +1,43 @@
+import java.util.Scanner;
+
+public class Lession7 {
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入数字");
+ double a = scanner.nextDouble();
+
+ System.out.println("请输入数字");
+ double b = scanner.nextDouble();
+
+ System.out.println("请输入数字");
+ double c = scanner.nextDouble();
+
+ if (a>b) {
+ if (b>c) {System.out.println(a+">"+b+">"+c);
+
+ } else {
+ if (a>c) {System.out.println(a+">"+c+">"+b);
+
+ } else {System.out.println(c+">"+a+">"+b);
+
+ }
+
+ }
+
+
+ }
+else {
+ if (b>c) {if (a>c) {System.out.println(b+">"+a+">"+c);
+
+ } else {System.out.println(b+">"+c+">"+a);
+
+ }
+}
+ else {System.out.println(c+">"+b+">"+a);
+
+ }
+ }
+ }
+
+ }
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/lession1.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/lession1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f2dfce9a589d8edc27938fabdc32f6aa7fb2d124
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\346\261\211\346\226\207/lession1.java"
@@ -0,0 +1,22 @@
+import java.util.Scanner;
+
+public class lession1 {
+public static void main(String[] args) {
+Scanner scanner = new Scanner (System.in);
+System.out.println("输入性别");
+ String sex1 =scanner.next();
+ System.out.println("输入另一个性别");
+ String sex2 =scanner.next();
+ if(sex1.equals(sex2)) {
+ System.out.println("不可以结婚");
+
+ }else { System.out.println("可以结婚");
+
+ }
+
+
+
+
+}
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H01.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e7663af7b8a908a43916d0e002263fcb8fcc4c98
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H01.java"
@@ -0,0 +1,27 @@
+package hai;
+
+import java.util.Scanner;
+
+public class H01 {
+
+ public static void main(String[] args) {
+ Scanner scan=new Scanner(System.in);
+
+ System.out.println("请输入性别");
+ String n1=scan.next();
+
+ System.out.println("请输入性别");
+ String n2=scan.next();
+
+ System.out.println("判断结果：8");
+ if(n1.equals(n2)) {
+ System.out.println("抱歉，你们不能结婚");
+ }else {
+ System.out.println("恭喜你们");
+ }
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H02.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0700650ec8448d25bf97de0c8ef798937986f8ac
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H02.java"
@@ -0,0 +1,25 @@
+package hai;
+
+import java.util.Scanner;
+
+public class H02 {
+
+ public static void main(String[] args) {
+ Scanner sca=new Scanner(System.in);
+ System.out.println("请输入成绩：");
+ int n1=sca.nextInt();
+ if (n1>0&&n1<60) {
+ System.out.println("等级是C");
+
+ } else if(n1>=60&&n1<=80){
+
+ System.out.println("等级是B");
+ }else if(n1>=81&&n1<=100) {
+ System.out.println("等级是A");
+ }else{
+ System.out.println("成绩有误");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H03.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..887822a6922d400d9d7deca19ef8bcb1f5664cd2
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H03.java"
@@ -0,0 +1,31 @@
+package hai;
+
+import java.util.Scanner;
+
+public class H03 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ Scanner sca=new Scanner(System.in);
+ System.out.println("请输入网购金额：");
+ int n1=sca.nextInt();
+ if (n1>0&&n1<100) {
+ System.out.println("无折扣");
+
+ } else if(n1>=100&&n1<500){
+
+ System.out.println("等级是9折");
+ }else if(n1>=500&&n1<1000) {
+ System.out.println("等级是8.5折");
+ }else{
+ System.out.println("等级是8折");
+ }
+
+ }
+
+ }
+
+
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H04.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ef1719cef385ad24379411eede58ee36dfa465da
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H04.java"
@@ -0,0 +1,41 @@
+package hai;
+
+import java.util.Scanner;
+
+public class H04 {
+
+ public static void main(String[] args) {
+ Scanner sca=new Scanner(System.in);
+ System.out.println("请输入是否结婚");
+ String hun=sca.next();
+ System.out.println("请输入性别");
+ String x=sca.next();
+ System.out.println("请输入年龄");
+ int a=sca.nextInt();
+
+ if (hun.equals("Y")) {
+
+ System.out.println("可以买保险");
+ } else {
+ if (x.equals("男")) {
+ if (a>25) {
+ System.out.println("可以买保险");
+ } else {
+ System.out.println("不可以买保险");
+ }
+
+ } else {
+ if (a>22) {
+ System.out.println("可以买保险");
+
+ } else {
+ System.out.println("不可以买保险");
+ }
+
+ }
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H05.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3f69b6923953c77c14d0898c03ea4232c2c36654
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H05.java"
@@ -0,0 +1,20 @@
+package hai;
+
+import java.util.Scanner;
+
+public class H05 {
+
+ public static void main(String[] args) {
+ Scanner sca=new Scanner(System.in);
+ System.out.println("请输入一个字母");
+ String N=sca.next();
+
+ if (N.equals("A")||N.equals("E")||N.equals("I")||N.equals("O")||N.equals("U")) {
+ System.out.println("是元音");
+ } else {
+ System.out.println("错误");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H06.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..475428c76cdffb0437e9cd4f7c55d3766621397d
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H06.java"
@@ -0,0 +1,25 @@
+package hai;
+
+import java.util.Scanner;
+
+public class H06 {
+
+ public static void main(String[] args) {
+ int i;
+
+ Scanner sca=new Scanner(System.in);
+ System.out.println("请输入一个字母");
+ char n=sca.next().charAt(0);
+
+ if (n>=65&&n<=90||n>=97&&n<=122) {
+ if (n>97&&n<=122) {
+ System.out.println("小写字母");
+ } else {
+ System.out.println("不是小写字母");
+ }
+ }else
+ System.out.println("不是字母");
+ }
+
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H07.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..26aa836542b5af9aca2ea630699aa2643e091558
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H07.java"
@@ -0,0 +1,32 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入字母：");
+ char a = scanner.next().charAt(0);
+
+ if (a>=65&&a<=90 || a>=97&&a<=122) {
+ if(a>=65&&a<=90) {
+ System.out.println("是大写字母");
+ }else {
+ System.out.println("是小写字母");
+ }
+ }else {
+ if(a>=97&&a<=122) {
+ System.out.println("是小写字母");
+ }else {
+ System.out.println("是大写字母");
+ }
+ }
+ if(a=='a' || a=='o' || a=='e' || a=='i' || a=='u' || a=='v'){
+ System.out.println("是韵母");
+ }else {
+ System.out.println("是声母");
+ }
+}
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H08.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H08.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b6855bb227a4633fb80d94756df970375cc2665e
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/H08.java"
@@ -0,0 +1,39 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入第一个数字");
+ int a = scanner.nextInt();
+ System.out.println("请输入第二个数字");
+ int b = scanner.nextInt();
+ System.out.println("请输入第三个数字");
+ int c = scanner.nextInt();
+
+ if(a>b){
+ if(b>c) {
+ System.out.println(a + ">" + b + ">" + c);
+ }else {
+ if(a>c) {
+ System.out.println(a + ">" + c + ">" + b);
+ }else {
+ System.out.println(c + ">" + a + ">" + b);
+ }
+ }
+ }else {
+ if(b>c) {
+ if(a>c) {
+ System.out.println(b + ">" + a + ">" + c);
+ }else {
+ System.out.println(b + ">" + c + ">" + a);
+ }
+ }else {
+ System.out.println(c + ">" + b + ">" + a);
+ }
+ }
+}
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/A.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/A.java"
new file mode 100644
index 0000000000000000000000000000000000000000..57b3c287461edb32d04d2ae899ace486f96ba2ff
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/A.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class A {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入小王的性别");
+ String sex1 = scanner.next();
+ System.out.println("请输入小张的性别");
+ String sex2 = scanner.next();
+ if(sex1.equals(sex2)) {
+ System.out.println("对不起，你们不可以结婚");
+
+ }else {
+ System.out.println("恭喜，你们可以结婚");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/B.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/B.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f0b74f9dba79a54464d2a2c9753a4cfa07aae47d
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/B.java"
@@ -0,0 +1,21 @@
+import java.util.Scanner;
+
+public class B {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入成绩");
+ double a = scanner.nextDouble();
+ if (a>=80&&a<=100) {
+ System.out.println("a");
+ }else if(a>=60&&a<80){
+ System.out.println("b");
+ }else if(a>=0&&a<60) {
+ System.out.println("c");
+ }else {
+ System.out.println("成绩输入有误，请重新输入");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/C.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/C.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fce010bd27c030c4abfc3855d938f792818f46f0
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/C.java"
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+
+public class C {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入网购金额");
+ double number=scanner.nextDouble();
+ if (number>=1000) {
+ System.out.println(number*0.8);
+ }else if(number>=500&&number<1000){
+ System.out.println(number*0.85);
+ }else if(number>=100&&number<500){
+ System.out.println(number*0.9);
+ }else{
+ System.out.println(number);
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/D.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/D.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0340ff0dcb228b0424b099f0e612a0881d44a825
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/D.java"
@@ -0,0 +1,33 @@
+import java.util.Scanner;
+
+public class D {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("是否已婚");
+ String a=scanner.next();
+ if (a.equals("是")) {
+ System.out.println("买保险");
+ } else {
+ System.out.println("请输入性别");
+ String sex=scanner.next();
+ System.out.println("请输入年龄");
+ int age=scanner.nextInt();
+ if (sex.equals("男")) {
+ if (age>=25) {
+ System.out.println("买保险");
+ } else {
+ System.out.println("不买保险");
+ }
+ } else {
+ if (age>=22) {
+ System.out.println("买保险");
+ } else {
+ System.out.println("不买保险");
+ }
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/E.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/E.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8d701b3fb02fe369ecf84f63f1f6e82f77c2d122
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/E.java"
@@ -0,0 +1,17 @@
+import java.util.Scanner;
+
+public class E {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入字母");
+ String a=scanner.next();
+ if (a.equals("A")||a.equals("E")||a.equals("I")||a.equals("O")||a.equals("U")) {
+ System.out.println("是大写元音字母");
+ } else {
+ System.out.println("不是大写元音字母");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/F.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/F.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1d78ecece9242dc4cf9e2b5c46ffb88835e2a81f
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/F.java"
@@ -0,0 +1,31 @@
+import java.util.Scanner;
+
+public class F {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ int b;
+ System.out.println("请输入一个字符");
+ char a=scanner.next().charAt(0);
+ b=a;
+ if(b>=65&&b<=90||b>=97&&b<=122){
+ if (b>=97&&b<=122) {
+ if (b==97||b==101||b==105||b==111||b==117||b==118) {
+ System.out.println("是小写韵母");
+ } else {
+ System.out.println("是小写声母");
+ }
+ } else {
+ if (b==65||b==69||b==73||b==79||b==85||b==86) {
+ System.out.println("是大写韵母");
+ } else {
+ System.out.println("是大写声母");
+ }
+ }
+ } else {
+ System.out.println("你输入的不是字母");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/G.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/G.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9e11f93f4d5b97396d9f71f579a21b13b1a7e38a
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/G.java"
@@ -0,0 +1,37 @@
+import java.util.Scanner;
+
+public class G {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入第一个数");
+ int a=scanner.nextInt();
+ System.out.println("请输入第二个数");
+ int b=scanner.nextInt();
+ System.out.println("请输入第三个数");
+ int c=scanner.nextInt();
+
+ if (a>b) {
+ if (b>c) {
+ System.out.println(a+">"+b+">"+c);
+ } else {
+ if (a>c) {
+ System.out.println(a+">"+c+">"+b);
+ } else {
+ System.out.println(c+">"+a+">"+b);
+ }
+ }
+ } else {
+ if (a>c) {
+ System.out.println(b+">"+a+">"+c);
+ } else {
+ if (b>c) {
+ System.out.println(b+">"+c+">"+a);
+ } else {
+ System.out.println(c+">"+b+">"+a);
+ }
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo01.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..360aa8f9eecb9a16d756f028174a769f661181cb
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo01.java"
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ // 结婚
+ Scanner scan = new Scanner(System.in);
+
+ String a ;
+ String b ;
+
+ System.out.println("请输入小张的性别：");
+ a = scan.next();
+
+ System.out.println("请输入小王的性别：");
+ b = scan.next();
+
+ if( a.equals(b)) {
+ System.out.println("对不起，你们不能结婚");
+ }else {
+ System.out.println("恭喜，你们可以结婚");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo02.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2af34a3b90922042bbebdc87c446572375d6422e
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo02.java"
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ // 学生成绩
+ Scanner scan = new Scanner(System.in);
+
+ float a ;
+
+ System.out.println("请输入您的成绩：");
+ a = scan.nextFloat();;
+
+ if(a<0 || a>100) {
+ System.out.println("成绩输入有误，请重新输入");
+ }else if(a>=80 && a<=100) {
+ System.out.println("是A级");
+ }else if(a<80 && a>=60) {
+ System.out.println("是B级");
+ }else {
+ System.out.println("是C级");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo03.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b22546003a3cffe9ccd66be545dd9ded42f8c43e
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo03.java"
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ // 打折
+ Scanner scan = new Scanner(System.in);
+
+ int a ;
+
+ System.out.println("请输入你的网购金额：");
+ a = scan.nextInt();
+
+ if(a>0 && a <100) {
+ System.out.println("无折扣");
+ }else if(a >100 && a <= 500) {
+ System.out.println("打九折");
+ }else if(a > 500 && a <= 1000) {
+ System.out.println("打八点五折");
+ }else {
+ System.out.println("打八折");
+ }
+ }
+}
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo04.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e1e2126626e58570eb30281d2b85fd11e1d47c13
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo04.java"
@@ -0,0 +1,36 @@
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ // 买保险
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("是否已婚（是为Y，否为N）");
+ String married = scan.next();
+ if (married.equals("Y")) {
+ System.out.println("买保险");
+ return;
+ }
+ System.out.println("你的性别：");
+ String sex = scan.next();
+
+ System.out.println("你的年龄：");
+ int age = scan.nextInt();
+
+ if (sex.equals("男")) {
+ if (age > 25) {
+ System.out.println("买保险");
+ } else {
+ System.out.println("不买保险");
+ }
+ } else {
+ if (age > 22) {
+ System.out.println("买保险");
+ } else {
+ System.out.println("不买保险");
+ }
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo05.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7709c3980a72e29af14d99346d1befcda64a7de9
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo05.java"
@@ -0,0 +1,29 @@
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ // 是否为大写元音字母
+ Scanner scan = new Scanner(System.in);
+
+ char a ;
+
+ System.out.println("请输入一个字符：");
+ a = scan.next().charAt(0);
+
+ if( a == 'A') {
+ System.out.println("是大写元音字母");
+ }else if(a == 'E') {
+ System.out.println("是大写元音字母");
+ }else if(a == 'I') {
+ System.out.println("是大写元音字母");
+ }else if(a == 'O') {
+ System.out.println("是大写元音字母");
+ }else if(a == 'U') {
+ System.out.println("是大写元音字母");
+ }else {
+ System.out.println("不是大写元音字母");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo06.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..adb49937eb57f228c959e88531d34f508c4f7283
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo06.java"
@@ -0,0 +1,37 @@
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ // 判断字母
+ Scanner scan = new Scanner(System.in);
+
+ char a ;
+
+ System.out.println("请输入一个字母：");
+ a = scan.next().charAt(0);
+
+ int ch = (int)a;
+
+ if (ch>=65&&ch<=90 || ch>=97&&ch<=122 ) {
+ if(a>=65&&a<=90) {
+ System.out.println("是小写");
+ if(ch=='a' || a=='o' || a=='e' || a=='i' || a=='u' || a=='v') {
+ System.out.println("是韵母");
+ }else{
+ System.out.println("是声母");
+ }
+ }else if(ch>=65&&ch<=90){
+ System.out.println("是大写");
+ if(ch=='A' || a=='O' || a=='E' || a=='I' || a=='U' || a=='V') {
+ System.out.println("是韵母");
+ }else {
+ System.out.println("是声母");
+ }
+ }
+ }else {
+ System.out.println("你输入的字符不是字母");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo07.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..61df417b3389ec2ef4e618d9ae8d1a25c54cafcc
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo07.java"
@@ -0,0 +1,45 @@
+import java.util.Scanner;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+ // 大小顺序
+ Scanner scan = new Scanner(System.in);
+
+ int a ;
+ int b ;
+ int c ;
+
+ System.out.println("请输入第一个数字：");
+ a = scan.nextInt();
+
+ System.out.println("请输入第二个数字：");
+ b = scan.nextInt();
+
+ System.out.println("请输入第三个数字：");
+ c = scan.nextInt();
+
+ if(a>b) {
+ if(b>c) {
+ System.out.println(a + ">" + b + ">" + c);
+ }else {//a>b bc) {
+ System.out.println(a + ">" + c + ">" + b);
+ }else {//a>b b" + a + ">" + b);
+ }
+ }
+ }else {//ac) {//ac
+ if(a>c) {
+ System.out.println(b + ">" + a + ">" +c);
+ }else{
+ System.out.println(b + ">" + c + ">" + a);
+ }
+ }else {
+ System.out.println(c + ">" + b + ">" + a);
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo01.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c1a76fd3169796c56af657b07f15347a00b323e7
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo01.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scanner=new Scanner(System.in);
+
+ System.out.println("请输入小王性别：");
+ String a =Scanner.next();
+ System.out.println("请输入小张性别：");
+ String b =Scanner.next();
+ if(a.equals(b)) {
+ System.out.println("对不起，你们不能结婚！");
+ }else {
+ System.out.println("恭喜，你们可以结婚！");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo02.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ff89c118c1756f404a367b12258bc6ba2594ac7b
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo02.java"
@@ -0,0 +1,24 @@
+import java.util.Scanner;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scanner=new Scanner(System.in);
+
+ System.out.println("请输入成绩：");
+ int a =Scanner.nextInt();
+
+ if (a >=81 && a<=100) {
+ System.out.println("A");
+ }else if(a>=60 &&a<=80) {
+ System.out.println("B");
+ }else if(a>0 && a<60) {
+ System.out.println("C");
+ }else {
+ System.out.println("成绩输入有误，请重新输入!");
+ }
+ }
+ }
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo03.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c38ba9f28eab5910d7e49ba52b5749894aba5723
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo03.java"
@@ -0,0 +1,24 @@
+import java.util.Scanner;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scanner=new Scanner(System.in);
+
+ System.out.println("请输入金额：");
+ int a =Scanner.nextInt();
+
+ if(a>=1000 && a<500) {
+ System.out.println("八折"+" "+(a*0.8));
+ }else if(a>=500 && a<1000) {
+ System.out.println("八五折"+ " "+(a*8.5));
+ }else if(a>=100 &&a<500) {
+ System.out.println("九折"+" "+(a*0.9));
+ }else if(a >=0 && a<100) {
+ System.out.println("无折扣");
+ }
+ }
+ }
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo04.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f7788c7018ebf3ecfdbd29b6c69089477658fde3
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo04.java"
@@ -0,0 +1,38 @@
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scanner=new Scanner(System.in);
+
+ System.out.println("是否已婚：");
+ String a =Scanner.next();
+ System.out.println("性别：");
+ String b =Scanner.next();
+ System.out.println("年龄：");
+ int c =Scanner.nextInt();
+ if(a.equals("Y")) {
+ System.out.println("买保险");
+ }else {
+ if( b.equals("男")) {
+ if (c>=25) {
+ System.out.println("买保险");
+ }
+ else {
+ System.out.println("不买保险");
+ }
+ }else {
+ if(c >=22 ) {
+
+ System.out.println("买保险");
+ } else {
+ System.out.println("不买保险");
+ }
+ }
+ }
+ }
+}
+
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo05.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4bacdc86078352dc62b5bd766afd95bdaf129e18
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo05.java"
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scanner=new Scanner(System.in);
+
+ System.out.println("请输入字母：");
+ char a =Scanner.next().charAt(0);
+
+ if (a=='A'||a=='E'||a=='I'||a=='O'||a=='U') {
+ System.out.println("是元音字母");
+ }else {
+ System.out.println("不是元音字母");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo06.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e24d62fce0e6625d49af6c072bd4c724faf7c79f
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo06.java"
@@ -0,0 +1,42 @@
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scanner=new Scanner(System.in);
+
+ System.out.println("请输入字母：");
+ char a=Scanner.next().charAt(0);
+
+ char sex=(char)a;
+ if ((sex>=65 && sex<=90)||(sex>=97 && sex<=122)){
+ if(sex>=65 && sex<=90){
+ System.out.println("该字母是大写字母");
+ }else if (sex>=97 && sex<=122){
+ System.out.println("该字母是小写字母");
+ }
+ } if(a=='A' ||a=='E' ||a=='I' ||a=='O'
+ ||a=='U' ||a=='V' ||a=='a'||a=='e'
+ ||a=='i' ||a=='o'||a=='u'||a=='v'){
+ System.out.println("该字母是韵母");
+ }else if ((a=='B' ||a=='P' ||a=='M' ||a=='F'
+ ||a=='D' ||a=='T' ||a=='L'||a=='N'
+ ||a=='G' ||a=='K'||a=='H'||a=='J'
+ ||a=='Q' ||a=='R' ||a=='Z'
+ ||a=='C' ||a=='S'||a=='Y'||a=='W'
+ ||a=='b' ||a=='p' ||a=='m'||a=='f'
+ ||a=='d' ||a=='t' ||a=='l'||a=='n'
+ ||a=='g' ||a=='k'||a=='h'||a=='j'
+ ||a=='q' ||a=='r' ||a=='z'
+ ||a=='c' ||a=='s'||a=='y'||a=='w')){
+ System.out.println("该字母是声母");
+ }
+ else {
+ System.out.println("你输入的字符不是字母");
+ }
+ }
+
+ }
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo07.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..995c8dc080ff985fe21634014c94ccf9df6ee344
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/Demo07.java"
@@ -0,0 +1,32 @@
+import java.util.Scanner;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scanner=new Scanner(System.in);
+
+ System.out.println("请输入第一位a数值：");
+ int a =Scanner.nextInt();
+ System.out.println("请输入第二位b数值：");
+ int b =Scanner.nextInt();
+ System.out.println("请输入第三位c数值：");
+ int c =Scanner.nextInt();
+ if (a>b && b>c) {
+ System.out.println(+a+">"+b+">"+c);
+ }else if(a>b && bc){
+ System.out.println(+a+">"+c+">"+b);
+ }else if(b>a && a>c ){
+ System.out.println(+b+">"+a+">"+c);
+ }else if(b>a && c>a && b>c){
+ System.out.println(+b+">"+c+">"+a);
+ }else if(c>a && a>b && c>b){
+ System.out.println(+c+">"+a+">"+b);
+ }else if(c>b && b>a && c>a){
+ System.out.println(+c+">"+b+">"+a);
+ }
+ }
+}
+
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo1.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7775a4ebc6c234bfdd35ac475bf06dd5fda1cbe1
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo1.java"
@@ -0,0 +1,24 @@
+import java.util.Scanner;
+
+public class Demo1 {
+ public static void main (String[]args) {
+ Scanner scn=new Scanner(System.in);
+ System.out.println("请输入小王的性别");
+ String a=scn.next();
+ System.out.println("请输入嚣张的性别");
+ String b=scn.next();
+ if(a.equals(b)){
+ System.out.println("对不起，你们不能结婚");
+
+ }else {
+ System.out.println("恭喜，你们可以结婚");
+ }
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo2.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3d5cc4fc37fac38fc0077bd4c960b8235a7d2111
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo2.java"
@@ -0,0 +1,26 @@
+import java.util.Scanner;
+
+
+
+public class Demo2 {
+ public static void main(String[] args) {
+ Scanner sca = new Scanner(System.in);
+ System.out.println("请输入学生成绩");
+ int a = sca.nextInt();
+ if (a > 0 && a <= 100) {
+ if (a >= 81 && 100 <= a) {
+ System.out.println("学生成绩为A");
+ } else if (a >= 60 && a <= 80) {
+ System.out.println("学生成绩为B");
+ } else if (a < 60) {
+ System.out.println("学生成绩为c");
+ }
+ }
+ else {
+ System.out.println("成绩输入有误，请重新输入");
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo3.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8d5e252caae7359be1aa88134d2b6f5add8b0768
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo3.java"
@@ -0,0 +1,27 @@
+import java.util.Scanner;
+
+public class Demo3 {
+ public static void main(String[] args) {
+ Scanner sca = new Scanner(System.in);
+ System.out.println("请输入金額:\t");
+ int a = sca.nextInt();
+ if (a >= 0 && a < 100) {
+ System.out.println("無折扣");
+ } else if (100 >= a && a <= 500) {
+ System.out.println("九折");
+ double b = a * 0.9;
+ System.out.println(b);
+
+ } else if (500 > a && a <= 1000) {
+ System.out.println("八点五折");
+ double b = a * 0.85;
+ System.out.println(b);
+
+ } else if (1000 > a && a <= 5000) {
+ System.out.println("八折");
+ double b = a * 0.8;
+ System.out.println(b);
+
+ }
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo4.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..58e4a6e3eccc501292542a9d718861b2c9d74857
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo4.java"
@@ -0,0 +1,45 @@
+import java.util.Scanner;
+
+public class Demo4 {
+ public static void main (String[]args) {
+ Scanner scn=new Scanner(System.in);
+ System.out.println("输入性别");
+ String a=scn.next();
+ System.out.println("请输入年龄");
+ int b=scn.nextInt();
+ System.out.println("请输入是否已婚");
+ String c=scn.next();
+ /**
+ * 如果以婚（用Y和N表示）
+ * 然后进行判断性别
+ * 然后年龄
+ * 输出员工信息
+ */
+ if(c.equals("Y")) {
+ if(a.equals("男")) {
+ if(b>=25) {
+ System.out.println("公司为他提供保险！");
+ }else {
+ System.out.println("公司不为他提供保险！");
+ }
+
+ }
+ if(a.equals("女")) {
+ if(b>=22) {
+ System.out.println("公司为她提供保险！");
+ }else {
+ System.out.println("公司不为她提供保险！");
+ }
+
+ }
+ }else {
+ System.out.println("没有结婚，去找女友！");
+ }
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e4a4ce9c488b3b8b10bdff53b9ba2bc46a678471
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo5.java"
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+
+public class Demo5 {
+ public static void main (String[]args) {
+ Scanner scn=new Scanner(System.in);
+ System.out.println("请输入一个字符");
+ char a=scn.next().charAt(0);
+ if(a=='A'||a=='E'||a=='I'||a=='O'||a=='U') {
+ System.out.print("是大写元音字母是A E I O U ");
+ }else {
+ System.out.print("不是大写元音字母是A E I O U ");
+ }
+
+
+
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..84772defcbc64f9b54036c7a8c5c688eea51e218
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo6.java"
@@ -0,0 +1,37 @@
+import java.util.Scanner;
+
+public class Demo6 {
+ /**用户输入的一个字符
+ * 判断该字符是不是字母
+ * 如果是字母，判断该字母是声母还是韵母
+ * 是大写字母还是小写字母，如果不是字母，则输出“你输入的字符不是字母”
+ * 一个字母的声母有:b、p、m、f、d、t、n、l、g、k、h、j、q、x、r、z、c、s、y、w。
+ * 一个字母的韵母有: a、o、e、i、u、v。
+ */
+ public static void main (String[]args) {
+ Scanner scn=new Scanner(System.in);
+ System.out.println("请输入一个字符");
+ char a=scn.next().charAt(0);
+ int s=(char)a;
+ if (s>=65&&s<=90||s>=97&&s<=122) {
+ if(s==97||s==111||s==101||s==105||s==117||s==118||s==65||s==79||s==69||s==73||s==85||s==86) {
+ System.out.println("你输入的是韵母");
+ }else {
+ System.out.println("你输入的是聲母");
+
+ }
+
+
+
+ }else {
+ System.out.println("你输入的字符不是字母");
+ }
+
+
+
+
+
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo7.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..50632d8c2b65621dbf1e9d5dbd388460f071510f
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Lession/Demo7.java"
@@ -0,0 +1,63 @@
+import java.util.Scanner;
+
+public class Demo7 {
+ /*
+ * 输入3个数,按大小输出这3个数（例如：用户输入的是：a=10 b=5 c=20 ，排序后为：5 10 20）
+ * （备注：只能使用三个变量，而且只能使用if的嵌套）
+ */
+ public static void main (String[]args) {
+ Scanner scn=new Scanner(System.in);
+ System.out.println("请输入第一个数");
+ int a=scn.nextInt();
+ System.out.println("请输入第二个数");
+ int b=scn.nextInt();
+ System.out.println("请输入第三个数");
+ int c=scn.nextInt();
+ /**
+ * a的三种情况
+ *
+ */
+ if(a>b) {
+ if(b>c) {
+ System.out.println(c+"<"+b+"<"+a);
+ }else{
+ if(a>c) {
+ System.out.println(b+"<"+c+"<"+a);
+ }else {
+ System.out.println(b+"<"+a+"<"+c);
+ }
+
+
+ }
+
+ }
+ /**
+ * b的三种情况
+ */
+ else {
+ if(b>c) {
+ if(a>c) {
+ System.out.println(c+"<"+a+"<"+b);
+ }else {
+ System.out.println(b+"<"+c+"<"+b);
+ }
+ }else {
+ System.out.println(a+"<"+b+"<"+c);
+ }
+
+
+ }
+
+ }
+
+
+
+
+
+
+
+
+
+
+ }
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Baoxian.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Baoxian.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a7bb8453e575be21aa97989d8e938f7bb4b4bf62
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Baoxian.java"
@@ -0,0 +1,39 @@
+package lesson5;
+
+import java.util.Scanner;
+
+public class Baoxian {
+
+ public static void main(String[] args) {
+ Scanner bao = new Scanner(System.in);
+
+ System.out.println("请输入婚否：");
+ String marry = bao.next();
+ System.out.println("请输入性别：");
+ String sex = bao.next();
+ System.out.println("请输入年龄：");
+ int age = bao.nextInt();
+
+ if (marry.equals("Y")) {
+ System.out.println("买保险");
+ } else {//没有结婚
+ if (sex.equals("男")) {//男的
+ if (age>=25) {//年龄25以上的
+ System.out.println("买保险");
+ } else {//没有结婚 男的 年龄25以下
+ System.out.println("不买保险");
+ }
+ }else {//没有结婚 女的
+ if(sex.equals("女")) {//女的
+ if(age>=22) {//年龄22以上的
+ System.out.println("买保险");
+ }
+ else {//没有结婚 女的 年龄22以下
+ System.out.println("不买保险");
+ }
+ }
+ }
+
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Daxiao.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Daxiao.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3f03067af827a3db0b57932fffc0092b8792a4f7
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Daxiao.java"
@@ -0,0 +1,27 @@
+package lesson5;
+
+import java.util.Scanner;
+
+public class Daxiao {
+
+ public static void main(String[] args) {
+ Scanner d1=new Scanner(System.in);
+ Scanner d2=new Scanner(System.in);
+ Scanner d3=new Scanner(System.in);
+
+ System.out.println("请输入第一个数值：");
+ int q1=d1.nextInt();
+ System.out.println("请输入第二个数值：");
+ int q2=d2.nextInt();
+ System.out.println("请输入第三个数值：");
+ int q3=d3.nextInt();
+
+ if(q1<=q2&&q2<=q3){
+ System.out.println(q1+"<"+q2+"<"+q3);
+ }else{
+ if(q2<=q1&&q1<=q3) {
+ System.out.println(q2+"<"+q1+"<"+q3);}else if(q3<=q2&&q2<=q1) {
+ System.out.println(q3+"<"+q2+"<"+q1);}else if(q1<=q3&&q3<=q2) {
+ System.out.println(q1+"<"+q3+"<"+q2);}else if(q3<=q1&&q1<=q2) {
+ System.out.println(q3+"<"+q1+"<"+q2);}else if(q3<=q2&&q2<=q1) {
+ System.out.println(q3+"<"+q2+"<"+q1);}}}}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Dazhe.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Dazhe.java"
new file mode 100644
index 0000000000000000000000000000000000000000..aa2c9a65c41a8300b0994a75698c8a0c316b1dc2
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Dazhe.java"
@@ -0,0 +1,28 @@
+package lesson5;
+
+import java.util.Scanner;
+
+public class Dazhe {
+
+ public static void main(String[] args) {
+ Scanner yuan=new Scanner(System.in);
+
+ System.out.println("请输入网购金额：");
+ double dz=yuan.nextDouble();
+
+
+ if(dz<=5000&&dz>=1000) {
+ System.out.println("打八折 折后价："+dz*0.8);
+ }else {
+ if(dz<=100&&dz>=0){
+ System.out.println("无折扣");
+ }
+ else if(dz<=500&&dz>=100) {
+ System.out.println("打九折 折后价："+dz*0.9);
+ }
+ else if(dz<=1000&&dz>=500) {
+ System.out.println("打八点五折 折后价："+dz*0.85);
+ }
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Jiehun.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Jiehun.java"
new file mode 100644
index 0000000000000000000000000000000000000000..287ab2aa876051faa773a68e6e3e46f9305f797c
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Jiehun.java"
@@ -0,0 +1,24 @@
+package lesson5;
+
+import java.util.Scanner;
+
+public class Jiehun {
+
+ public static void main(String[] args) {
+ Scanner jh=new Scanner(System.in);
+
+ System.out.println("请输入小王的性别：");
+ String sex1=jh.next();
+
+ System.out.println("请输入小张的性别：");
+ String sex2=jh.next();
+
+ if(sex1.equals(sex2)) {
+ System.out.println("不好意思结婚失败。");
+ }else {
+ System.out.println("恭喜你们喜结连理！！");
+ }
+ }
+}
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Yeji.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Yeji.java"
new file mode 100644
index 0000000000000000000000000000000000000000..612a146990059f9689e5f5bf13473ed719394043
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Yeji.java"
@@ -0,0 +1,29 @@
+package lesson5;
+
+import java.util.Scanner;
+
+public class Yeji {
+
+ public static void main(String[] args) {
+ Scanner yj=new Scanner(System.in);
+
+ System.out.println("请输入学生成绩");
+ int cj=yj.nextInt();
+
+
+ if(80>=cj && cj>60) {
+ System.out.println("B");
+ }
+ else if(60>=cj&&cj>=0) {
+ System.out.println("C");
+ }
+ else if(100>=cj&&cj>=81) {
+ System.out.println("A");
+ }
+ if(cj>=100) {
+ System.out.println("成绩输入有误，请重新输入");
+ }
+ }
+ }
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Yuanying.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Yuanying.java"
new file mode 100644
index 0000000000000000000000000000000000000000..31714ee2ae2f08b839e3fd9762a3386ff30e33f6
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Yuanying.java"
@@ -0,0 +1,20 @@
+package lesson5;
+
+import java.util.Scanner;
+
+public class Yuanying {
+
+ public static void main(String[] args) {
+ Scanner yuan=new Scanner(System.in);
+
+ System.out.println("请输入一个字母：");
+ char zimu=yuan.next().charAt(0);
+
+ if(zimu=='A'||zimu=='E'||zimu=='I'||zimu=='O'||zimu=='U'){
+ System.out.println("是大写元音字母");}else{
+ System.out.println("不是大写元音字母");
+ }
+ }
+}
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Zimu.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Zimu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a8b91c6d7d5e7b78e7a471343a37552d599f884a
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Zimu.java"
@@ -0,0 +1,28 @@
+package lesson5;
+
+import java.util.Scanner;
+
+public class Zimu {
+
+ public static void main(String[] args) {
+ Scanner yuan=new Scanner(System.in);
+
+ System.out.println("请输入一个字符：");
+ char zimu=yuan.next().charAt(0);
+
+ if(zimu=='b'||zimu=='p'||zimu=='m'||zimu=='f'||zimu=='d'||zimu=='t'||zimu=='n'||zimu=='l'||zimu=='g'||zimu=='k'||zimu=='h'||zimu=='j'||zimu=='q'||zimu=='x'||zimu=='r'||zimu=='z'||zimu=='c'||zimu=='s'||zimu=='y'||zimu=='w') {
+ System.out.println("这是字母，是字母中的声母，是小写字母");
+ }else{
+ if(zimu=='B'||zimu=='P'||zimu=='M'||zimu=='F'||zimu=='D'||zimu=='T'||zimu=='N'||zimu=='L'||zimu=='G'||zimu=='K'||zimu=='H'||zimu=='J'||zimu=='Q'||zimu=='X'||zimu=='R'||zimu=='Z'||zimu=='C'||zimu=='S'||zimu=='Y'||zimu=='W') {
+ System.out.println("这是字母，是字母中的声母，是大写字母");}else if(zimu=='a'||zimu=='o'||zimu=='e'||zimu=='i'||zimu=='u'||zimu=='v') {
+ System.out.println("这是字母，是字母中的韵母，是小写字母");}else if(zimu=='a'||zimu=='o'||zimu=='e'||zimu=='i'||zimu=='u'||zimu=='v') {
+ System.out.println("这是字母，是字母中的韵母，是大写字母");}else{
+ System.out.println("你输入的字符不是字母");
+ }
+ }
+ }
+}
+
+
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo01.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..627feb5ef90abecd9612d48e79bd7d4b88fd99d1
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo01.java"
@@ -0,0 +1,21 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+
+ System.out.print("请输入小王的性别");
+ String xb1 = scan.next();
+
+ System.out.print("请输入小张的性别");
+ String xb2 = scan.next();
+ if(xb1.equals(xb2)) {
+ System.out.print("对不起，你们不能结婚");
+ }else {
+ System.out.print("恭喜，你们可以结婚");
+ }
+ }}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo02.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..65ebcd4778c62cffb7b3d7f2d484cca842daa179
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo02.java"
@@ -0,0 +1,24 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入学生的成绩：");
+ int a = scan.nextInt();
+
+ if (a <= 100 &(a >=81)) {
+ System.out.println("A等级");
+ } else if (a <= 80 &(a >=61) ) {
+ System.out.println("B等级");
+ } else if (a <= 60 &(a >=0)) {
+ System.out.println("C等级");
+ } else if (a >= 100 || a == 0)
+ System.out.println("成绩有误，请重新输入");
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo03.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cb59637467954a429d5661c7c5d9152281031b3d
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo03.java"
@@ -0,0 +1,46 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo03{
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+
+ System.out.print("请输入婚姻状况：");
+ String hy = scan.next();
+ if (hy.equals("Y")) {
+ System.out.println("买保险");
+ return;
+ }
+
+ System.out.print("请输入性别：");
+ String xb = scan.next();
+
+ System.out.print("请输入年龄：");
+ int nl = scan.nextInt();
+
+ if (hy.equals("Y")) {
+ System.out.println("买保险");
+ }
+ else {
+ if(xb.equals("男")){
+ if(nl>=25)
+ System.out.println("买保险");
+ }
+ else {
+ System.out.println("不买保险");
+ }
+ if(xb.equals("女")){
+ if(nl>=22)
+ System.out.println("买保险");
+ }
+ else {
+ System.out.println("不买保险");
+ }
+ }
+ }
+
+ }
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo04.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5a791f8f8810df54084c3d817e2da06dd66de739
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo04.java"
@@ -0,0 +1,40 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入字符");
+ char a = scanner.next().charAt(0);
+
+ if (a>=97&&a<=122 || a>=65&&a<=90) {
+
+ if (a>=65&&a<=90) {
+ System.out.println("大写");
+ if (a=='A'||a=='O'||a=='E'||a=='I'||a=='U'||a=='V') {
+ System.out.println("韵母");
+ } else {
+ System.out.println("声母");
+ }
+
+ } else if (a>=97&&a<=122) {
+ System.out.println("小写");
+ if (a=='a'||a=='o'||a=='e'||a=='i'||a=='u'||a=='v') {
+ System.out.println("韵母");
+ } else {
+ System.out.println("声母");
+ }
+ }
+
+
+
+ } else {
+ System.out.println("不是字母");
+ }
+ }
+
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b5dde1ca33f8568fd289003834e86f367a7eac5b
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo5.java"
@@ -0,0 +1,26 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入金额：");
+ int a = scan.nextInt();
+
+ if (a >= 100 &(a <=500) ) {
+ System.out.println("九折");
+ }
+ else if (a >= 500 &(a <=1000) ) {
+ System.out.println("八点五折");}
+ else if (a >= 1000 &(a <=5000) ) {
+ System.out.println("八折");}
+ else {
+ System.out.println("无折扣");
+ }
+}}
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cb26c8e8d392b6c066fb8faedbe897ae4fb3b69d
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo6.java"
@@ -0,0 +1,45 @@
+package com.md.lession;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入数字");
+ double a = scanner.nextDouble();
+
+ System.out.println("请输入数字");
+ double b = scanner.nextDouble();
+
+ System.out.println("请输入数字");
+ double c = scanner.nextDouble();
+
+ if (a>b) {
+ if (b>c) {System.out.println(a+">"+b+">"+c);
+
+ } else {
+ if (a>c) {System.out.println(a+">"+c+">"+b);
+
+ } else {System.out.println(c+">"+a+">"+b);
+
+ }
+
+ }
+
+
+ }
+ else {
+ if (b>c) {if (a>c) {System.out.println(b+">"+a+">"+c);
+
+ } else {System.out.println(b+">"+c+">"+a);
+
+ }
+}
+ else {System.out.println(c+">"+b+">"+a);
+
+ }
+ }
+ }
+ }
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L01.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..26dc9e2eaa183186136a844464212e06ec7b2934
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L01.java"
@@ -0,0 +1,17 @@
+import java.util.Scanner;
+
+public class L01 {
+
+ public static void main(String[] args) {
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("性别");
+ String a = scanner.next();
+ System.out.println("性别");
+ String b = scanner.next();
+
+ if(a.equals(b))
+ System.out.println("不可以");
+ else
+ System.out.println("可以");}
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L02.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c44b6dc3e204949cd9dbd8d6653438400afad3ab
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L02.java"
@@ -0,0 +1,44 @@
+import java.util.Scanner;
+public class L02 {
+
+ public static void main(String[] args) {
+
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入数字");
+ double a = scanner.nextDouble();
+
+ System.out.println("请输入数字");
+ double b = scanner.nextDouble();
+
+ System.out.println("请输入数字");
+ double c = scanner.nextDouble();
+
+ if (a>b) {
+ if (b>c) {System.out.println(a+">"+b+">"+c);
+
+ } else {
+ if (a>c) {System.out.println(a+">"+c+">"+b);
+
+ } else {System.out.println(c+">"+a+">"+b);
+
+ }
+
+ }
+
+
+ }
+ else {
+ if (b>c) {if (a>c) {System.out.println(b+">"+a+">"+c);
+
+ } else {System.out.println(b+">"+c+">"+a);
+
+ }
+}
+ else {System.out.println(c+">"+b+">"+a);
+
+ }
+ }
+
+ }
+ }
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L03.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8d764c660270d0c48b5854f52a8d6068f2cffb60
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L03.java"
@@ -0,0 +1,24 @@
+import java.util.Scanner;
+public class L03 {
+ public static void main(String[] args) {
+
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入金额");
+ double a = scanner.nextDouble();
+
+ if (a>=0 &&a<100) {
+ System.out.println("无");
+ } else if (a>=100 && a<500){
+ System.out.println("九折");
+ }
+ else if (a>=500 && a<1000){
+ System.out.println("八点五折");
+ }else if(a>=1000 && a<5000) {
+
+ System.out.println("八折");
+
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L04.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b2979af401e304751a72c29785fcc91b30546c91
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L04.java"
@@ -0,0 +1,29 @@
+import java.util.Scanner;
+public class L04 {
+ public static void main(String[] args) {
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入字符");
+ String a = scanner.next();
+ if (a.equals("A")) {
+ System.out.println("有元音");
+ } else if (a.equals("O")) {
+ System.out.println("有元音");
+ }
+ else if (a.equals("E")) {
+ System.out.println("有元音");
+ }
+ else if (a.equals("I")) {
+ System.out.println("有元音");
+ }
+ else if (a.equals("U")) {
+ System.out.println("有元音");
+ }
+
+
+
+ else {System.out.println("没有元音");
+
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L05.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..117f63a39c6f464b5281c874d9752bfcf8153488
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L05.java"
@@ -0,0 +1,34 @@
+import java.util.Scanner;
+public class L05 {
+ public static void main(String[] args) {
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入字符");
+ char a = scanner.next().charAt(0);
+
+ if (a>=97&&a<=122 || a>=65&&a<=90) {
+
+ if (a>=65&&a<=90) {
+ System.out.println("大写");
+ if (a=='A'||a=='O'||a=='E'||a=='I'||a=='U'||a=='V') {
+ System.out.println("韵母");
+ } else {
+ System.out.println("声母");
+ }
+
+ } else if (a>=97&&a<=122) {
+ System.out.println("小写");
+ if (a=='a'||a=='o'||a=='e'||a=='i'||a=='u'||a=='v') {
+ System.out.println("韵母");
+ } else {
+ System.out.println("声母");
+ }
+ }
+
+
+
+ } else {
+ System.out.println("不是字母");
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L06.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..193ff59e9270d17ac6c0cf527bf109794d963049
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/L06.java"
@@ -0,0 +1,31 @@
+import java.util.Scanner;
+public class L06 {
+ public static void main(String[] args) {
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入是否结婚");
+ String a = scanner.next();
+ if (a.equals("Y")) {
+ System.out.println("买保险");
+ return;
+ }
+ System.out.println("请输入性别");
+ String b = scanner.next();
+ System.out.println("请输入年龄");
+ int c = scanner.nextInt();
+
+ if (b.equals("男")) {
+ if (c >= 25) {
+ System.out.println("买保险");
+ } else {
+ System.out.println("不买保险");
+ }
+ } else {
+ if (c >= 22) {
+ System.out.println("买保险");
+ } else {
+ System.out.println("不买保险");
+ }
+ }
+}
+ }
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo2.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a3dfe999ade0e5f5abcfc7327a21191b892e68fe
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo2.java"
@@ -0,0 +1,25 @@
+package com.md.lesson1;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner (System.in);
+
+ System.out.println("请输入学生的成绩：");
+ int a = scanner.nextInt();
+
+ if(a<60 && a>0){
+ System.out.println("该学生成绩为'C'");
+ }else if(a<=80 && a>=60 ){
+ System.out.println("该学生成绩为'B'");
+ }else if(a<=100 && a>80) {
+ System.out.println("该学生成绩为'A'");
+ }else{
+ System.out.println("学生分数错误，请重新输入！");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo3.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..32711c689d2ba612428597a489ac3530aefb445d
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo3.java"
@@ -0,0 +1,25 @@
+package com.md.lesson1;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入网购金额：");
+ int a = scanner.nextInt();
+
+ if(a>0 && a<=100) {
+ System.out.println("无折扣");
+ }else if(a>100 && a<=500) {
+ System.out.println("九折");
+ }else if(a>500 && a<=1000) {
+ System.out.println("八点五折");
+ }else if(a>1000 && a<=5000) {
+ System.out.println("八折");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo4.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a2a38ffb43ef6265856c6b45093120317d86473a
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo4.java"
@@ -0,0 +1,43 @@
+package com.md.lesson1;
+
+import java.util.Scanner;
+
+public class Demo4 {
+
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入员工的性别：");
+ String sex = scanner.next();
+
+ System.out.println("请输入员工的年龄：");
+ int age = scanner.nextInt();
+
+ System.out.println("请输入员工是否结婚：");
+ String love = scanner.next();
+
+ if(love.equals("Y")) {
+ System.out.println("可以买保险");
+ }else {
+ if (sex.equals("男")) {//没有结婚 男
+ if (age>=25) {
+ System.out.println("可以买保险");
+ } else {
+ System.out.println("不可以买保险");
+ }
+ } else {
+ if(age>=22) {
+ System.out.println("可以买保险");
+ }else {
+ System.out.println("不能买保险");
+ }
+ }
+ }
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a41450446c8605e8c398ce203213947248c73773
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo5.java"
@@ -0,0 +1,22 @@
+package com.md.lesson1;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入一个大写元音字符：");
+ String a = scanner.next();
+
+ if(a.equals("A") || a.equals("E") || a.equals("I") || a.equals("O") || a.equals("U")) {
+ System.out.println("是大写元音字母");
+ }else {
+ System.out.println("不是大写元音字母");
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1146515032a6bd0db4965711d690be21d0e68f78
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo6.java"
@@ -0,0 +1,43 @@
+package com.md.lesson1;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+
+ System.out.println("请输入一个字母：");
+ char a = scanner.next().charAt(0);
+
+ char sex = (char)a;
+ if(sex>=65 && sex<=90 || sex>=97 && sex<=122) {
+ if(sex>=97 && sex<=122){
+ if(sex==98 && sex== 99 && sex== 100 && sex== 102 && sex==103 && sex==104 && sex==105 && sex==106 && sex==107 && sex==108 && sex==109 && sex==110 && sex==112
+ && sex==113 && sex==114 && sex==115 && sex==116 && sex==119 && sex==120 && sex== 121 && sex==122)
+{System.out.println("该字母为小写声母");
+
+ }else {
+ System.out.println("该字母为小写韵母");
+
+ }
+
+ }else {
+ if(sex==66 && sex==67 && sex==68 && sex==70 && sex==71 && sex==72 && sex==74 && sex==75 && sex==76 && sex==77 && sex==78 && sex==80 && sex==81 && sex==82 && sex ==83 && sex==84 && sex==87 && sex==88 && sex==89 && sex==90){
+ System.out.println("该字母为大写声母");
+ }else {
+ System.out.println("该字母为大写韵母");
+
+ }
+
+ }
+
+ }else {
+ System.out.println("你输入的字符不是字母");
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo7.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..84af98ad46b079a81737218b1bcefadcb880ae7d
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo7.java"
@@ -0,0 +1,49 @@
+package com.md.lesson1;
+
+import java.util.Scanner;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner (System.in);
+
+ System.out.println("请输入第一个数字：");
+ int a = scanner.nextInt();
+
+ System.out.println("请输入第二个数字：");
+ int b = scanner.nextInt();
+
+ System.out.println("请输入第三个数字：");
+ int c = scanner.nextInt();
+
+ if(a>b){
+ if(b>c){
+ System.out.println(a+ ">" + b + ">"+c);
+ }else {
+ if(b" +c+ ">" +b);
+ }else {
+ System.out.println(c+ ">" +a+ ">" +b);
+
+ }
+
+ }
+
+ }else {//ac){
+ System.out.println(b+ ">" +a+ ">" +c);
+ }else {
+ System.out.println(b+ ">" +c+ ">" +a);
+ }
+
+ }else {
+ System.out.println(c+ ">" +b+ ">" +a);
+
+ }
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Deom1.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Deom1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b99341d91311b7ab28867e38e8a3e6d2599989af
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Deom1.java"
@@ -0,0 +1,25 @@
+package com.md.lesson1;
+
+import java.util.Scanner;
+
+public class Deom1 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请您输入小王的性别：");
+ String pw1 = scanner.next();
+
+ System.out.println("请您输入小张的性别：");
+ String pw2 = scanner.next();
+
+ if(pw1.equals(pw2)){
+ System.out.println("抱歉，你们不能结婚！");
+ }else {
+ System.out.println("恭喜你们，你们可以结婚!");
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4295ee44b138773b1ab183a670851f7225e48ab1
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom.java"
@@ -0,0 +1,18 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Deom {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个字母");
+ String a = scan.next();
+ if (a.equals("A")||a.equals("E")||a.equals("I")||a.equals("O")||a.equals("U")||a.equals("A")) {
+ System.out.println("是大写元音字母");
+ } else {
+ System.out.println("不是");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom01.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ae92d55488dd840a262d4b77d234d2514e0f40be
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom01.java"
@@ -0,0 +1,21 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Deom01 {
+ public static void main(String[] args) {
+ String a = "男";
+ String b = "女";
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入小王的性别");
+ a = scan.next();
+ System.out.println("请输入小张的性别");
+ b = scan.next();
+ if (a.equals(b)) {
+ System.out.println("对不起，你们不能结婚");
+ }
+ else {
+ System.out.println("恭喜，你们可以结婚");
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom02.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2059e487c4ee48dea07c077dad38450df07c8cbb
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom02.java"
@@ -0,0 +1,23 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Deom02 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个成绩");
+ int a = scan.nextInt();
+ if (a <=100 & a>=81) {
+ System.out.println("A");
+ } else if(a<=80 & a>=60){
+ System.out.println("B");
+ }else if(a>=0 & a<60){
+ System.out.println("C");
+ }
+ else {
+ System.out.println("成绩输入有误，请重新输入");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom03.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c3dd9253e2b77dbf8d82501d13c8378e821d151a
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom03.java"
@@ -0,0 +1,22 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Deom03 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请用户输入网购金额");
+ int a = scan.nextInt();
+ if (a <=100 & a>=0) {
+ System.out.println("应付"+a*1);
+ } else if(a<=500 & a>=100){
+ System.out.println("应付"+a*0.9);
+ }else if(a>=500 & a<=1000){
+ System.out.println("应付"+a*0.85);
+ }
+ else if(a>1000 & a<=5000){
+ System.out.println("应付"+a*0.8);
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom04.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..efc41d85fb8e8cb5b952627e376ad0ecd026fe8d
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom04.java"
@@ -0,0 +1,34 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Deom04 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("是否已婚");
+ String a = scan.next();
+ if (a.equals("Y")) {
+ System.out.println("可以买保险");
+ } else {
+ System.out.println("你的性别");
+ String b = scan.next();
+ System.out.println("你的年龄");
+ int c = scan.nextInt();
+ if (b.equals("男")) {
+ if (c>=25) {
+ System.out.println("可以买保险");
+ } else {
+ System.out.println("不行");
+ }
+ } else {
+ if (c>=22) {
+ System.out.println("可以买保险");
+ } else {
+ System.out.println("不行");
+ }
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom06.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..80142bd228397aa2a03ec98c04e9dcc0cc8ddea9
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom06.java"
@@ -0,0 +1,30 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Deom06 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个字符");
+ char sex = scan.next().charAt(0);
+ if (sex>=65&&sex<=90 || sex>=97&&sex<=122) {
+ System.out.println("是字母");
+ if (sex==97||sex==65 || sex==69||sex==101 || sex==73||sex==105|| sex==79||sex==111|| sex==85||sex==117|| sex==86||sex==118) {
+ System.out.println("是韵母");
+ } else {
+ System.out.println("是声母");
+ }if (sex>=65&&sex<=90) {
+ System.out.println("是大写字母");
+ } else if(sex>=97&&sex<=122){
+ System.out.println("是小写字母");
+ }
+ } else {
+System.out.println("不是字母");
+ }
+
+
+
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom07.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..054cc005d742443bf7d674b8369278e6b9168aa2
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom07.java"
@@ -0,0 +1,39 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Deom07 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入数字");
+ int a = scan.nextInt();
+ System.out.println("请输入数字");
+ int b = scan.nextInt();
+ System.out.println("请输入数字");
+ int c = scan.nextInt();
+ if (a>b) {
+ if (b>c) {
+ System.out.println(a +">"+b+">"+c);
+ } else {
+ if(a>c) {
+ System.out.println(a +">"+c+">"+b);
+ }else {
+ System.out.println(c +">"+a+">"+b);
+ }
+ }
+ } else {
+ if (b>c) {
+ if (a>c) {
+ System.out.println(b +">"+a+">"+c);
+
+ } else {
+ System.out.println(b +">"+c+">"+a);
+ }
+ }else {
+ System.out.println(c +">"+b+">"+a);
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0001.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0001.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cc39f9339796b99525d43d2fc7fe47afbe706a65
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0001.java"
@@ -0,0 +1,25 @@
+package com.md.lession6;
+
+import java.util.Scanner;
+
+public class Demo0001 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ Scanner scanner= new Scanner(System.in);
+
+ System.out.println("请输入小王性别：");
+ String a =scanner.next();
+
+ System.out.println("请输入小张性别：");
+ String b =scanner.next();
+
+ if(a.equals(b)) {
+ System.out.println("对不起，你们不能结婚");
+ }else {
+ System.out.println("恭喜，你们可以结婚");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0002.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0002.java"
new file mode 100644
index 0000000000000000000000000000000000000000..29a195ccc6a5124acd25ed9878378692e7f9436c
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0002.java"
@@ -0,0 +1,28 @@
+package com.md.lession6;
+ //用A,B,C等级对学生的的成绩分类, 其中
+ //0 - 60(不包含)是C,
+ //60（包含） – 80（包含）是B,
+ //81（包含） – 100 （包含）是A等级。
+ //请用代码实现如下功能：由用户输入同学的分数，自动显示该同学所属的等级；若输入分数校友0或者大于100，
+ //则显示“成绩输入有误，请重新输入”。
+ //请忽略分数小数情况。
+import java.util.Scanner;
+
+public class Demo0002 {
+ public static void main(String[] args) {
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.println("请输入学生成绩:");
+ double a =scanner.nextDouble();
+
+ if(a>0&a<60) {
+ System.out.println("学生成绩等级为C");
+ }else if(a>60&a<=80){
+ System.out.println("学生成绩等级为B");
+ }else if(a>80&a<=100) {
+ System.out.println("学生成绩等级为A");
+ }else if(a<0|a>100){
+ System.out.println("成绩输入有误，请重新输入");
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0003.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0003.java"
new file mode 100644
index 0000000000000000000000000000000000000000..041ef110069a4c6c96551f45bb89378cde0a9c5e
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0003.java"
@@ -0,0 +1,21 @@
+package com.md.lession6;
+
+import java.util.Scanner;
+
+public class Demo0003 {
+ public static void main(String[] args) {
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.println("请输入网购金额:");
+ double a =scanner.nextDouble();
+ if(025) {
+ System.out.println("买保险！！");
+ }else {
+ if(gender.equals("女")&&age>22) {
+ System.out.println("买保险！！");
+ }
+ else {
+ System.out.println("不买保险！！");}
+ }
+ }
+ }
+ }
+
+
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0005.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0005.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c762f970df6f13cd396b18aa717d37f029c164ad
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0005.java"
@@ -0,0 +1,22 @@
+package com.md.lession6;
+
+import java.util.Scanner;
+
+public class Demo0005 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.println("请输入字符：");
+ char ch =scanner.next().charAt(0);
+
+ if (ch=='A'||ch=='E'||ch=='I'||ch=='O'||ch=='U') {
+ System.out.println("是大写元音字母");
+ } else {
+ System.out.println("不是大写元音字母");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0006.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0006.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8e8a98d572f743d54f25f9cbc7d861b6d7ffdbc4
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0006.java"
@@ -0,0 +1,38 @@
+package com.md.lession06;
+
+import java.util.Scanner;
+
+public class Demo0006 {
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入字符");
+ char a = scanner.next().charAt(0);
+
+ if (a>=97&&a<=122 || a>=65&&a<=90) {
+
+ if (a>=65&&a<=90) {
+ System.out.println("大写");
+ if (a=='A'||a=='O'||a=='E'||a=='I'||a=='U'||a=='V') {
+ System.out.println("韵母");
+ } else {
+ System.out.println("声母");
+ }
+
+ } else if (a>=97&&a<=122) {
+ System.out.println("小写");
+ if (a=='a'||a=='o'||a=='e'||a=='i'||a=='u'||a=='v') {
+ System.out.println("韵母");
+ } else {
+ System.out.println("声母");
+ }
+ }
+
+
+
+ } else {
+ System.out.println("不是字母");
+ }
+ }
+
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0007.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0007.java"
new file mode 100644
index 0000000000000000000000000000000000000000..44c568f3fed7090e2f6e290d40206c966e04e2ec
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo0007.java"
@@ -0,0 +1,41 @@
+package com.md.lession6;
+
+import java.util.Scanner;
+
+public class Demo0007 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.println("请输入数字成绩:");
+ int a =scanner.nextInt();
+ System.out.println("请输入数字成绩:");
+ int b =scanner.nextInt();
+ System.out.println("请输入数字成绩:");
+ int c =scanner.nextInt();
+
+ if (a>b) {
+ if (b>c) {
+ System.out.println(a+">"+b+">"+c);
+ } else {
+ if (a>c) {
+ System.out.println(a+">"+c+">"+b);
+ } else {
+ System.out.println(a+">"+c+">"+b);
+ }
+ }
+ } else {
+ if (b>c) {
+ if (a>c) {
+ System.out.println(b+">"+a+">"+c);
+ } else {
+ System.out.println(b+">"+c+">"+a);
+ }
+ } else {
+ System.out.println(c+">"+b+">"+a);
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c0317d783db0a2b5d8882dfac8dd35c31f44b89c
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo.java"
@@ -0,0 +1,30 @@
+package 朱奇伟;
+
+import java.util.Scanner;
+
+public class Demo {
+
+ public static void main(String[] args) {
+ // TODO 学生成绩
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入学生成绩");
+ int a = scan.nextInt();
+
+ if(a<60){
+ System.out.println("学生成绩是c");
+ }else if(a>=60 && a<=80){
+ System.out.println("学生成绩是b");
+ }else if(a>=81 && a<=100){
+ System.out.println("学生成绩是a");
+ }else{
+ System.out.println("成绩输入有误，请重新输入");
+ }
+
+ }
+
+
+
+
+}
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo1.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..17a9ee6fe765a7d577fe55fc80e373d9cdf2f692
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo1.java"
@@ -0,0 +1,34 @@
+package 朱奇伟;
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ // TODO 保险
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入是否结婚");
+ String a = scan.next();
+ System.out.println("请输入性别");
+ String b = scan.next();
+ System.out.println("请输入年龄");
+ int age = scan.nextInt();
+ if(a.equals("Y")){
+ System.out.println("买保险");
+ }else {
+ if(b.equals("男")) {
+ if(age>=25) {
+ System.out.println("买保险");
+ }else {
+ System.out.println("不买保险");
+ }
+ }else {
+ if(age>=22) {
+ System.out.println("买保险");
+ }else {
+ System.out.println("不买保险");
+ }
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo2.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bedecb6d628b537b84979385d115e0bbc715f1c7
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo2.java"
@@ -0,0 +1,24 @@
+package 朱奇伟;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO结婚
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入小王的性别");
+ String a = scan.next();
+ System.out.println("请输入小张的性别");
+ String b = scan.next();
+ if(a.equals(b)) {
+ System.out.println("对不起，你们不能结婚");
+ }else {
+ System.out.println("恭喜，你们可以结婚");
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo4.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fd1c7b20f4c50e1e14847f71c31e6edeef4327fe
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo4.java"
@@ -0,0 +1,26 @@
+package 朱奇伟;
+
+import java.util.Scanner;
+
+public class Demo4 {
+
+
+ Scanner scan = new Scanner(System.in);
+ //打折
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入总价");
+ int a = scanner.nextInt();
+ if (a<100 && a > 0) {
+ System.out.println("无折扣");
+ } else if (a<500&& a >= 100) {
+ System.out.println("九折");
+ } else if (a<1000 && a >= 500) {
+ System.out.println("85折");
+ }
+
+
+}
+}
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..10896edd4be19ac5beee6d029d4f6fc3e0408dd6
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo5.java"
@@ -0,0 +1,33 @@
+package 朱奇伟;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ //元音
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入");
+ String a = scan.next();
+ if (a.equals("A")) {
+ System.out.println("是元音");
+
+ } else if(a.equals("E")) {
+ System.out.println("是元音");
+ }
+ else if(a.equals("I")) {
+ System.out.println("是元音");
+ }
+ else if(a.equals("O")) {
+ System.out.println("是元音");
+ }
+ else if(a.equals("U")) {
+ System.out.println("是元音");
+ }
+ else {
+ System.out.println("不是元音");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4006e6421fdeeb8699f5ee0793009ea5190660fb
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/Demo6.java"
@@ -0,0 +1,34 @@
+package 朱奇伟;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ // TODO 声母、韵母
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个字母");
+
+ char a = scan.next().charAt(0);
+ if (a>=97&&a<=122 ||a>=65&&a<=90 ) {
+ if (a>=97&&a<=122) {
+ System.out.println("该字母是小写");
+
+ } else {
+ System.out.println("该字母是大写");
+
+ }
+ if (a=='a'||a=='e'||a=='o'||a=='i'||a=='u'||a=='v'||a=='A'||a=='E'||a=='O'||a=='I'||a=='U'||a=='V') {
+ System.out.println("该字母是声母");
+ } else {
+ System.out.println("该字母是韵母");
+ }
+
+ } else {
+ System.out.println("不是字母");
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo01.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..aa95597af13a0f325e662da78ca0a331a2e90189
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo01.java"
@@ -0,0 +1,21 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入小王的性别：");
+ String a = scanner.next();
+ System.out.println("请输入小张的性别：");
+ String b = scanner.next();
+
+ if(a.equals(b)) {
+ System.out.println("对不起，你们不能结婚");
+ } else {
+ System.out.println("恭喜，你们可以结婚!");
+ }
+}
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo02.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..126f8945ba97e3f0a3c7db2c3714f20e4081890c
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo02.java"
@@ -0,0 +1,21 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入学生的成绩：");
+ int a = scanner.nextInt();
+
+ if (a<60) {
+ System.out.println("C");
+ } else if(60 <= a && a <= 80) {
+ System.out.println("B");
+ } else if (81 <= a && a <= 100) {
+ System.out.println("A");
+ }
+}
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo03.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..36d8300bfe1b9ed6b9774ce739a55006eb432da2
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo03.java"
@@ -0,0 +1,23 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入网购金额：");
+ int a = scanner.nextInt();
+
+ if (0 <= a && a <= 100) {
+ System.out.println("无折扣");
+ } else if(101 <= a && a <= 500) {
+ System.out.println("九折");
+ } else if (501 <= a && a <= 1000) {
+ System.out.println("八点五折");
+ } else if (1001 <= a && a <= 5000) {
+ System.out.println("八折");
+}
+}
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo04.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6b420e010de50bc9d5cd76d73660356383670674
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo04.java"
@@ -0,0 +1,37 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入是否已结婚：");
+ String isMarried = scanner.next();
+
+ System.out.println("请输入性别：");
+ String gender = scanner.next();
+
+ System.out.println("请输入年龄：");
+ int age = scanner.nextInt();
+
+ if (isMarried.equals("Y")) {
+ System.out.println("买保险!");
+ }else {
+ if(gender.equals("男")) {
+ if ( age >= 25 ) {
+ System.out.println("买保险！");
+ }else {
+ System.out.println("不买保险！");
+ }
+ }else {
+ if ( age >= 22 ) {
+ System.out.println("买保险！");
+ }else {
+ System.out.println("不买保险！");
+ }
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo05.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..955a70d0a7d6826196abf3ea34a616badb974999
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo05.java"
@@ -0,0 +1,28 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入字母：");
+ String a = scanner.next();
+
+ if(a.equals("A")) {
+ System.out.println("是元音");
+ }else if(a.equals("E")) {
+ System.out.println("是元音");
+ }else if(a.equals("I")) {
+ System.out.println("是元音");
+ }else if(a.equals("O")) {
+ System.out.println("是元音");
+ }else if(a.equals("U")) {
+ System.out.println("是元音");
+ }
+ else {
+ System.out.println("不是元音");
+ }
+}
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo06.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..26aa836542b5af9aca2ea630699aa2643e091558
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo06.java"
@@ -0,0 +1,32 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入字母：");
+ char a = scanner.next().charAt(0);
+
+ if (a>=65&&a<=90 || a>=97&&a<=122) {
+ if(a>=65&&a<=90) {
+ System.out.println("是大写字母");
+ }else {
+ System.out.println("是小写字母");
+ }
+ }else {
+ if(a>=97&&a<=122) {
+ System.out.println("是小写字母");
+ }else {
+ System.out.println("是大写字母");
+ }
+ }
+ if(a=='a' || a=='o' || a=='e' || a=='i' || a=='u' || a=='v'){
+ System.out.println("是韵母");
+ }else {
+ System.out.println("是声母");
+ }
+}
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo07.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b6855bb227a4633fb80d94756df970375cc2665e
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo07.java"
@@ -0,0 +1,39 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入第一个数字");
+ int a = scanner.nextInt();
+ System.out.println("请输入第二个数字");
+ int b = scanner.nextInt();
+ System.out.println("请输入第三个数字");
+ int c = scanner.nextInt();
+
+ if(a>b){
+ if(b>c) {
+ System.out.println(a + ">" + b + ">" + c);
+ }else {
+ if(a>c) {
+ System.out.println(a + ">" + c + ">" + b);
+ }else {
+ System.out.println(c + ">" + a + ">" + b);
+ }
+ }
+ }else {
+ if(b>c) {
+ if(a>c) {
+ System.out.println(b + ">" + a + ">" + c);
+ }else {
+ System.out.println(b + ">" + c + ">" + a);
+ }
+ }else {
+ System.out.println(c + ">" + b + ">" + a);
+ }
+ }
+}
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo1.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3c7824426b42b2d3461af7918db72d11b449ecb6
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo1.java"
@@ -0,0 +1,23 @@
+package lession1;
+//结婚
+import java.util.Scanner;
+
+public class Domo1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ String sex1;
+ String sex2;
+
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.print("请输入小王性别");
+ sex1 = scanner.next();
+ System.out.println("请输入小张的性别");
+ sex2 = scanner.next();
+ if(sex1.equals(sex2)){System.out.println("不可以结婚！！！");}
+ else {System.out.println("可以结婚");}
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo2.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c73a3cb88a9a616d0a2a6de824fb267c709061eb
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo2.java"
@@ -0,0 +1,22 @@
+package lession1;
+//成绩
+import java.util.Scanner;
+
+public class Domo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入学生成绩");
+
+ int point = scanner.nextInt();
+ if(point<0||point>100){System.out.println("成绩输入错误，请重新输入");}
+ else if(point<=60){System.out.println("该同学成绩为c");}
+ else if(point<=80){System.out.println("该同学成绩为B");}
+ else if(point>80){System.out.println("该同学成绩为A");}
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo3.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a470ab4eeba6f527175bff617ec69f1f97a983d6
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo3.java"
@@ -0,0 +1,23 @@
+package lession1;
+//折扣
+import java.util.Scanner;
+
+public class Domo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入消费金额");
+ int point = scanner.nextInt();
+ if(point<0||point>5000){System.out.println("金额输入错误，请重新输入");}
+ else if(point<=100){System.out.println("无折扣");}
+ else if(point<=500){System.out.println("九折");}
+ else if(point<=1000){System.out.println("八五折");}
+ else if(point>1000){System.out.println("八折");}
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo4.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6c933650c2a6dcf632fc5a87b49c795b3affeb45
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo4.java"
@@ -0,0 +1,61 @@
+package lession1;
+//保险
+import java.util.Scanner;
+
+public class Domo4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ // TODO Auto-generated method stub
+ //某公司即将为员工买保险，
+ // 要求如下： 已婚的男、 女性都可以买保险，
+ //未婚男性25岁以下不提供保险， 25岁以上（包括） 提供保险，
+ //未婚女性22岁以下不提供保险， 22岁以上（包括） 提供保险， 请用程序实现以上功能，接受员工的信息， 显示公司是否为他提供保险
+ //（已未婚用Y和N表示， 性别用男和女表示）
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入是否结婚");
+ String isMarried =scanner.next();
+
+
+ if(isMarried.equals("Y"))
+
+ {System.out.println("无论男女都可买保险");}
+
+ else System.out.println("请输入性别");
+ String sex =scanner.next();
+
+
+
+ if(sex.equals("男"))
+ {System.out.println("请输入年龄");
+
+ int age =scanner.nextInt();
+ if(age>=25) {
+ System.out.println("可以被提供保险");
+ }
+ else {
+ System.out.println("无保险");}
+ }
+
+
+ else
+ {System.out.println("请输入年龄");
+ int age1 =scanner.nextInt();
+ if(age1>=22)
+ {
+ System.out.println("可以被提供保险");
+ }else {
+ System.out.println("无保险");
+ }
+
+
+
+
+
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..05cf8da603ab093a604aee14e9b4a4601ca8d476
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo5.java"
@@ -0,0 +1,35 @@
+package lession1;
+//字母
+import java.util.Scanner;
+
+public class Domo5 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入字母");
+
+ char a = scan.next().charAt(0);
+ if (a>=97&&a<=122 ||a>=65&&a<=90 ) {
+
+ if (a>=97&&a<=122) {
+ System.out.println("是小写");
+ }
+ else {
+ System.out.println("是大写");
+ }
+ if (a=='a'||a=='e'||a=='o'||a=='i'||a=='u'||a=='v'||a=='A'||a=='E'||a=='O'||a=='I'||a=='U'||a=='V') {
+ System.out.println("是声母");
+ }
+ else {
+ System.out.println("是韵母");
+ }
+
+ } else {
+ System.out.println("不是字母");
+ }
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ab26d8b3e8b86b6028146857d6f785b229a2c113
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo6.java"
@@ -0,0 +1,33 @@
+package lession1;
+
+import java.util.Scanner;
+
+public class Domo6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入");
+ String a = scan.next();
+ if (a.equals("A")) {
+ System.out.println("是元音");
+
+ } else if(a.equals("E")) {
+ System.out.println("是元音");
+ }
+ else if(a.equals("I")) {
+ System.out.println("是元音");
+ }
+ else if(a.equals("O")) {
+ System.out.println("是元音");
+ }
+ else if(a.equals("U")) {
+ System.out.println("是元音");
+ }
+ else {
+ System.out.println("不是元音");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo7.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c4817933ce7818a31ff44e501f81022a43dd8b4f
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/Domo7.java"
@@ -0,0 +1,55 @@
+package lession1;
+
+import java.util.Scanner;
+
+public class Domo7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ // TODO Auto-generated method stub
+ //输入3个数,按大小输出这3个数（例如：用户输入的是：10 5 20 ，排序后为：5 10 20）
+ //（备注：只能使用三个变量，而且只能使用if的嵌套）
+ int num1;
+ int num2;
+ int num3;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ num1 =new Scanner(System.in).nextInt();
+
+
+ System.out.println("请输入第二数字");
+ num2 =new Scanner(System.in).nextInt();
+
+ System.out.println("请输入第三个数字");
+ num3 =new Scanner(System.in).nextInt();
+
+ if (num1>num2) {
+ if (num2>num3) {System.out.println(num1+">"+num2+">"+num3);
+
+ } else {
+ if (num1>num3) {System.out.println(num1+">"+num3+">"+num2);
+
+ } else {System.out.println(num3+">"+num1+">"+num2);
+
+ }
+
+ }
+
+
+ }
+ else {
+ if (num2>num3) {if (num1>num3) {System.out.println(num2+">"+num1+">"+num3);
+
+ } else {System.out.println(num2+">"+num3+">"+num1);
+
+ }
+ }
+ else {System.out.println(num3+">"+num2+">"+num1);
+
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/BANDUANZM.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/BANDUANZM.java"
new file mode 100644
index 0000000000000000000000000000000000000000..11cac8258af441e5548f98edd969da0fafcb2d46
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/BANDUANZM.java"
@@ -0,0 +1,29 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class BANDUANZM {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入字母：");
+ char a = scanner.next().charAt(0);
+
+ if(a>=65 && a<=90 || a>=97 && a<=122){
+ System.out.println("是字母");
+ }else {
+ System.out.println("你输入的字符不是字母");
+ return;}
+ if(a>=65 && a<=90) {
+ System.out.println("是大写字母");
+ }else {
+ System.out.println("是小写字母");
+ }if(a==65 || a==97 || a==79 || a==111|| a==69 || a==101 || a==73 || a==105 || a==85 || a==117 || a==86 || a==118)
+ {System.out.println("是韵母");
+
+ }else {
+ System.out.println("是声母");}
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/BAOxian.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/BAOxian.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8f779abcbfa5704e7efb0f89c58e239ccbdc91a5
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/BAOxian.java"
@@ -0,0 +1,32 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class BAOxian {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+Scanner scanner = new Scanner(System.in);
+System.out.println("是否结婚，请输入Y或者N");
+String marry=scanner.next();
+if(marry.equals('Y')) {System.out.println("公司为你提供保险");}
+else {System.out.println("请你输入性别");
+String sex=scanner.next();
+if(sex.equals('男')){System.out.println("请你输入年龄");int age=scanner.nextInt();
+if(age>=25) {System.out.println("公司为你提供保险");}else {System.out.println("公司不能为你提供保险");}
+}else {if(sex.equals('女')) {System.out.println("请你输入年龄");int age=scanner.nextInt();}
+else{System.out.println("公司不能为你提供保险");}}
+
+
+
+
+
+
+
+
+
+
+}
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/BanduanY.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/BanduanY.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3df393c92961a73671187575d42aa68fe08192ca
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/BanduanY.java"
@@ -0,0 +1,20 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class BanduanY {
+
+ public static void main(String[] args) {
+Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入字符");
+ String a = scan.next();
+ if(a.equals("A")||a.equals("E")||a.equals("I")||a.equals("O")||a.equals("U"))
+ {
+ System.out.println("是大写元音字母");
+ }else {
+ System.out.println("不是大写元音字母");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Bduandaxiao.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Bduandaxiao.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0651df83c7a4295fe52da64d2a1b0f1d17b0a9c5
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Bduandaxiao.java"
@@ -0,0 +1,43 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class Bduandaxiao {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入第一个数字");
+ int a = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ int b = scan.nextInt();
+ System.out.println("请输入第三个数字");
+ int c = scan.nextInt();
+
+ if(a>b){
+ if(b>c) {
+ System.out.println(a+">"+b+">"+c);
+ }else {if(a>c) {
+ System.out.println(a+">"+c+">"+b);
+ }else {System.out.println(c+">"+a+">"+b);}
+ }
+ }else {if(b>c) {
+ if(a>c) {
+ System.out.println(b+">"+a+">"+c);
+ }else {
+ System.out.println(b+">"+c+">"+a);
+ }
+ }else {
+ System.out.println(c+">"+b+">"+a);
+ }
+ }
+
+ }
+
+
+
+
+ }
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/DAzhe.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/DAzhe.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a7e08971e5a5ba2892b69ea33ced2da342a486fc
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/DAzhe.java"
@@ -0,0 +1,26 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class DAzhe {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+Scanner scanner=new Scanner(System.in);
+System.out.println("请输入网购金额");
+int a=scanner.nextInt();
+if(a<0||a>5000) {System.out.println("重新输入金额");}
+else {if(a>0&&a<=100) {System.out.println("无折扣");}
+else if(a>100&&a<=500) {System.out.println("九折");}
+else if(a>500&&a<=1000) {System.out.println("八点五折");}
+else if(a>1000&&a<=5000) {System.out.println("八折");}
+
+
+
+}
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/JIEHUN.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/JIEHUN.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d6450ddf1e2cd87c59c5b75ab0f68ad5a55d2e3b
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/JIEHUN.java"
@@ -0,0 +1,32 @@
+package 杨丰豪;
+
+import java.util.Scanner;
+
+public class JIEHUN {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+String sex1;
+String sex2;
+
+Scanner scanner = new Scanner(System.in);
+System.out.println("请输入李李的性别");
+sex1=scanner.next();
+System.out.println("请输入坤坤的性别");
+sex2=scanner.next();
+
+if(sex1.equals(sex2)) {System.out.println("对不起，你们不能结婚");}
+else {
+System.out.println("一个是男生，一个是女生，则输出恭喜，你们可以结婚");
+
+
+
+}
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Stude.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Stude.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d36119a59885cca9cce28436008d8b951cee5eb8
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Stude.java"
@@ -0,0 +1,26 @@
+package 杨丰豪;
+
+import java.util.Scanner;
+
+public class Stude {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+int a;
+
+Scanner scanner =new Scanner(System.in);
+System.out.println("请同学输入你的成绩：");
+a=scanner.nextInt();
+
+if(a<0 || a>100) {System.out.println("成绩输入有误，请重新输入");}
+else if(a>=81 && a<=100){System.out.println("你的成绩是A等级");}
+else if(a>=60 && a<=80) {System.out.println("你的成绩是B等级");}
+else if(a<60) {System.out.println("你的成绩是C等级");}
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo1.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c814fe7a3a03d5544c9437692fe62676a1976fc5
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo1.java"
@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ Scanner abc = new Scanner(System.in);
+ System.out.println("请输入小张的性别");
+ String a = abc.next();
+ System.out.println("请输入小王的性别");
+ String b = abc.next();
+
+ if(a.equals(b)) {
+ System.out.println("你俩不可以结婚");
+ }else{
+ System.out.println("你俩可以结婚");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo2.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..79d10d26b76da58dfed008533bcba203d1d7b9f2
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo2.java"
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+
+public class Demo2 {
+ public static void main (String [] args) {
+ Scanner abc = new Scanner(System.in);
+ System.out.println("请输入成绩");
+ int a = abc.nextInt();
+
+ if (a >= 81 && a <= 100) {
+ System.out.println("A");
+ }else if (a >= 60 && a <= 80) {
+ System.out.println("B");
+ }else if (a < 60 && a > 0) {
+ System.out.println("c");
+ } else {
+ System.out.println("成绩输入有误，请重新输入");
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo3.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..44f1b408a6bf3d71e43b573813b98b4a1a9abaa0
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo3.java"
@@ -0,0 +1,21 @@
+import java.util.Scanner;
+
+public class Demo3 {
+ public static void main(String[] args)
+ {Scanner abc = new Scanner(System.in);
+
+ System.out.println("请输入网购金额");
+ int a = abc.nextInt();
+
+ if (a >= 1000 && a <= 5000) {
+ System.out.println("折后金额是：" + a * 0.9);
+ } else if (a >= 500 && a < 1000) {
+ System.out.println("折后金额是：" + a * 0.85);
+ } else if (a >= 100 && a < 500) {
+ System.out.println("折后金额是：" + a * 0.8);
+ } else if (a < 100 && a > 0){
+ System.out.println("无折扣");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo4.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1a6c4a28a25ab19aaa9f3873180e12672cf16d2a
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo4.java"
@@ -0,0 +1,36 @@
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ Scanner abc = new Scanner(System.in);
+
+ System.out.println("请输入性别");
+ char sex = abc.next().charAt(0);
+ System.out.println("请输入年龄");
+ int age = abc.nextInt();
+ System.out.println("是否结婚");
+ String a = abc.next();
+
+ if (a.equals("no")) {
+ if(sex == '男') {
+ if(age < 25) {
+ System.out.println("不买");
+ }else {
+ System.out.println("买");
+ }
+ }else {
+ if(age < 22) {
+ System.out.println("不买");
+ }else {
+ System.out.println("买");
+ }
+ }
+ }else {
+ System.out.println("买");
+ }
+
+
+
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..56f5ed2108b0ee5faa0b61e26b73208b36b4383b
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo5.java"
@@ -0,0 +1,34 @@
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ Scanner abc = new Scanner(System.in);
+
+ System.out.println("请输入英标");
+ char a = abc.next().charAt(0);
+
+ if(a == 'A') {
+ System.out.println("是元音");
+ }else {
+ if(a == 'E') {
+ System.out.println("是元音");
+ }else {
+ if(a == 'I') {
+ System.out.println("是元音");
+ }else {
+ if(a == 'O') {
+ System.out.println("是元音");
+ }else {
+ if(a == 'U') {
+ System.out.println("是元音");
+ }else {
+ System.out.println("不是元音");
+ }
+ }
+ }
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..acfb2664757ecc7cf2cbeb2864092ebcc30533a5
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo6.java"
@@ -0,0 +1,29 @@
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ Scanner abc = new Scanner(System.in);
+
+ System.out.println("请输入一个字符");
+ char a = abc.next().charAt(0);
+ int b ;
+ b = a;
+ if(a >=65 && a <=90 || a >=97 && a <=122 ) {
+ System.out.println("是字母");
+ }else {
+ System.out.println("不是字母");
+ }
+ if(a >=65 && a <=90 ) {
+ System.out.println("是大写字母");
+ }else {
+ System.out.println("是小写字母");
+ }
+ if(a==97||a==101||a==105||a==111||a==117||a==118||a==65||a==79||a==69||a==73||a==85||a==86) {
+ System.out.println("是韵母");
+ }else{
+ System.out.println("是声母");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo7.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b3f89c6b787c6f515c6eafef6caa121ef4f5071e
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo7.java"
@@ -0,0 +1,37 @@
+import java.util.Scanner;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ Scanner abc = new Scanner(System.in);
+
+ System.out.println("请输入第一个数");
+ int a = abc.nextInt();
+ System.out.println("请输入第二个数");
+ int b = abc.nextInt();
+ System.out.println("请输入第三个数");
+ int c = abc.nextInt();
+
+ if(a > b) {
+ if(b>c) {
+ System.out.println(a + ">" + b + ">" + c);
+ }else if(c>a){
+ System.out.println(c + ">" + a + ">" + b);
+ }else {
+ System.out.println(a + ">" + c + ">" + b);
+ }
+ }else {
+ if(a>c) {
+ System.out.println(b + ">" + a + ">" + c);
+ }else if(b>c){
+ System.out.println(b + ">" + c + ">" + a);
+ }else {
+ System.out.println(c + ">" + b + ">" + a);
+ }
+ }
+
+
+
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson1.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1213511ced38081c85aabdb5fd61137d139df664
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson1.java"
@@ -0,0 +1,27 @@
+package com.md.lesson6;
+
+import java.util.Scanner;
+
+public class lesson1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ String a;
+ String b;
+ System.out.println("请输入小王的性别：");
+ a=scanner.next();
+ System.out.println("请输入小张的性别：");
+ b=scanner.next();
+
+ if(a.equals("男") && b.equals("女")||a.equals("女") && b.equals("男")) {
+ System.out.println("恭喜，你们可以结婚");
+ }else {
+ System.out.println("对不起，你们不能结婚");
+
+ }
+
+ }
+
+
+ }
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson2.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9fa2280c4ca21db89fbf450a880b02d9bb8e6154
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson2.java"
@@ -0,0 +1,22 @@
+package com.md.lesson6;
+
+import java.util.Scanner;
+
+public class lesson2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ int xx;
+ System.out.println("请输入A的成绩：");
+ xx=scanner.nextInt();
+ if(xx>=80 && xx<=100){
+ System.out.println("A等级");
+ }else if(xx>=60 && xx<80){
+ System.out.println("B等级");
+ }else if(xx<60 && xx>=0){
+ System.out.println("C等级");
+ }
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson3.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2059f87152f792da3676c8d00334a482207044a4
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson3.java"
@@ -0,0 +1,57 @@
+package com.md.lesson6;
+
+import java.util.Scanner;
+
+public class lesson3 {
+
+ public static void main(String[] args) {
+ // 某公司即将为员工买保险， 要求如下：
+ //已婚的男、 女性都可以买保险，
+ //未婚男性25岁以下不提供保险， 25岁以上（包括） 提供保险，
+ //未婚女性22岁以下不提供保险， 22岁以上（包括） 提供保险，
+ //请用程序实现以上功能，接受员工的信息， 显示公司是否为他提供保险（已未婚用Y和N表示， 性别用男和女表示）
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入是否已结婚");
+ String shifoujiehun = scanner.next();
+ if (shifoujiehun.equals("Y")) {
+ System.out.println("买保险！");
+ return;
+ }else {
+ System.out.println("请输入下列信息！");
+
+ }
+
+
+ System.out.println("请输入性别");
+ String xingbie = scanner.next();
+
+ System.out.println("请输入年龄");
+ int nianling = scanner.nextInt();
+
+
+
+
+ if (xingbie.equals("男")) {
+ if (nianling>=25) {
+ System.out.println("买保险！");
+ }
+ else {
+ System.out.println("不买保险！");
+ }
+ }
+ else {
+ if(nianling>=22) {
+ System.out.println("买保险！");
+ }
+ else {
+ System.out.println("不买保险！");
+ }
+ }
+ }
+
+
+
+
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson4.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e2db2f9f0d60a458f6ae33ef1f3250a16307dbf4
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson4.java"
@@ -0,0 +1,21 @@
+package com.md.lesson6;
+
+import java.util.Scanner;
+
+public class lesson4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ String a;
+ System.out.println("请输入某个字符：");
+ a=scanner.next();
+ if (a.equals("A")||a.equals("E")||a.equals("I")||a.equals("O")||a.equals("U")) {
+ System.out.println("是大写元音字母");
+ }else {
+ System.out.println("不是大写元音字母");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a6a396b6c7b2643e9a74243818195225b77741f2
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson5.java"
@@ -0,0 +1,25 @@
+package com.md.lesson6;
+
+import java.util.Scanner;
+
+public class lesson5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ int a;
+ System.out.println("请输入购买价格：");
+ a=scanner.nextInt();
+ if (a>=1000 && a<5000) {
+ System.out.println("八折后的价格为："+(a*0.8));
+ }else if(a>=500 && a<1000) {
+ System.out.println("八点五折后的价格为："+(a*0.85));
+ }else if(a>=100 && a<500) {
+ System.out.println("九折后的价格为："+(a*0.9));
+ }else if(a>=0 && a<100) {
+ System.out.println("无折扣");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..da37172fc6a28e43500c445ada0b65d53f8ab96d
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson6.java"
@@ -0,0 +1,45 @@
+package com.md.lesson6;
+
+import java.util.Scanner;
+
+public class lesson6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ int a;
+ int b;
+ int c;
+ System.out.println("请输入数字：");
+ a=scanner.nextInt();
+ System.out.println("请输入数字：");
+ b=scanner.nextInt();
+ System.out.println("请输入数字：");
+ c=scanner.nextInt();
+
+ if (a>b) {
+ if (b>c) {
+ System.out.println(a + ">" + b + ">" + c);
+ }else {
+ if (a>c) {
+ System.out.println(a + ">" + c + ">" + b);
+ }else {
+ System.out.println(c + ">" + a + ">" + b);
+ }
+ }
+ }
+ else {
+ if (c>b) {
+ System.out.println(c + ">" + b + ">" + a);
+ }else {
+ if (a>c) {
+ System.out.println(b + ">" + a + ">" + c);
+ }else {
+ System.out.println(b + ">" + c + ">" + a);
+ }
+ }
+ }
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson7.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ee83750859f711268a17a01b94a2e3577d16eccd
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\344\275\263\345\205\203/lesson7.java"
@@ -0,0 +1,36 @@
+package com.md.lesson6;
+
+import java.util.Scanner;
+
+public class lesson7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ int a;
+ System.out.println("请输入一个字母：");
+ char b=scanner.next().charAt(0);
+ a=b;
+
+ if (a>=65 && a<=90 || a>=97 && a<=122) {
+ if (a>=97 && a<=122) {
+ if (a==97 || a==101 || a==105 || a==111 || a==117 || a==118) {
+ System.out.println("该字母是小写韵母");
+ }else {
+ System.out.println("该字母是小写声母");
+ }
+ }else {
+ if (a==65 || a==69 || a==73 || a==79 || a==85 || a==86) {
+ System.out.println("该字母是大写韵母");
+ }else {
+ System.out.println("该字母是大写声母");
+ }
+ }
+ }else {
+ System.out.println("您输入的不是字母！");
+ }
+
+ }
+
+
+ }
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Baoxian.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Baoxian.java"
new file mode 100644
index 0000000000000000000000000000000000000000..eb1b78657c29ca091e70a5006d7cd9db230dd78d
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Baoxian.java"
@@ -0,0 +1,45 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Baoxian {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入是否结婚");
+ String hun = scanner.next();
+ if (hun.equals("Y")) {
+ System.out.println("买保险");
+ return;
+ }
+
+
+ System.out.println("请输入性别");
+ String sex = scanner.next();
+
+ System.out.println("请输入年龄");
+ int age = scanner.nextInt();
+ if (hun.equals("Y")) {
+ System.out.println("买保险");
+ } else {
+ if (sex.equals("男")){
+ if(age >= 25) {
+ System.out.println("买保险");
+ }else {
+ System.out.println("不买保险");
+ }
+ }
+ else {
+ if(sex.equals("女")) {
+ if(age>=22) {
+ System.out.println("买保险");
+ }else {
+ System.out.println("不买保险");
+ }
+ }}
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Chengji.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Chengji.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6ef748024f67f9d149bdfaa7bacb713540d34859
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Chengji.java"
@@ -0,0 +1,25 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Chengji {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入学生成绩");
+ int chengji = scanner.nextInt();
+
+ if ((chengji <= 100)&(chengji >= 81) ) {
+ System.out.println("成绩等级为A");
+ } else if((chengji <= 80)&(chengji >= 60) ){
+ System.out.println("成绩等级为B");
+ }else if((chengji < 60)&(chengji >0 ) ){
+ System.out.println("成绩等级为C");
+ }else {
+ System.out.println("成绩有误，请重新输入");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Daxiao.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Daxiao.java"
new file mode 100644
index 0000000000000000000000000000000000000000..aa9da4996f7e4f5bf41effedd50d3ca2d6c7549f
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Daxiao.java"
@@ -0,0 +1,46 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Daxiao {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入数字");
+ double a = scanner.nextDouble();
+
+ System.out.println("请输入数字");
+ double b = scanner.nextDouble();
+
+ System.out.println("请输入数字");
+ double c = scanner.nextDouble();
+
+ if (a>b) {
+ if (b>c) {System.out.println(a+">"+b+">"+c);
+
+ } else {
+ if (a>c) {System.out.println(a+">"+c+">"+b);
+
+ } else {System.out.println(c+">"+a+">"+b);
+
+ }
+
+ }
+
+
+ }
+ else {
+ if (b>c) {if (a>c) {System.out.println(b+">"+a+">"+c);
+
+ } else {System.out.println(b+">"+c+">"+a);
+
+ }
+}
+ else {System.out.println(c+">"+b+">"+a);
+
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Dazhe.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Dazhe.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b3b8a4746db4f202e1517a1365be44cf14eca5ca
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Dazhe.java"
@@ -0,0 +1,28 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Dazhe {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入金额");
+ double a = scanner.nextDouble();
+
+ if (a>=0 &&a<100) {
+ System.out.println("无");
+ } else if (a>=100 && a<500){
+ System.out.println("九折");
+ }
+ else if (a>=500 && a<1000){
+ System.out.println("八点五折");
+ }else if(a>=1000 && a<5000) {
+
+ System.out.println("八折");
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Jiehun.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Jiehun.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6b5713d857b1949550c2de6e817c45ff3d7fdab4
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Jiehun.java"
@@ -0,0 +1,24 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Jiehun {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入性别");
+ String pw1 = scanner.next();
+ System.out.println("请输入性别");
+ String pw2 = scanner.next();
+
+ if(pw1.equals(pw2)) {
+ System.out.println("双方性别相同，结婚失败！");
+
+ }else {
+ System.out.println("结婚成功！");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Zimu.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Zimu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7bd0667cb73e12483c13aa07ee1c460db5e2a345
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Zimu.java"
@@ -0,0 +1,40 @@
+package com.md.lession5;
+
+import java.util.Scanner;
+
+public class Zimu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入字符");
+ char zimu = scanner.next().charAt(0);
+
+ if (zimu>=97&&zimu<=122 || zimu>=65&&zimu<=90) {
+
+ if(zimu >= 65&&zimu <= 90) {
+ System.out.println("是大写");
+ if (zimu=='A'||zimu=='B'||zimu=='E'||zimu=='I'||zimu=='U'||zimu=='V') {
+ System.out.println("该字母为韵母");
+ }
+ else {
+ System.out.println("该字母为声母");
+ }
+ }
+ if(zimu >= 97&&zimu <= 122) {
+ System.out.println("是小写");
+ if (zimu=='a'||zimu=='o'||zimu=='e'||zimu=='i'||zimu=='u'||zimu=='v') {
+ System.out.println("该字母为韵母");
+ }
+ else {
+ System.out.println("该字母为声母");
+ }
+ }
+ }
+
+ else {
+ System.out.println("该字符不是字母");
+ }
+ }
+ }
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Abc.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Abc.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5eee706257517e96c2305bcdb495a2cafd5e97d4
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Abc.java"
@@ -0,0 +1,41 @@
+package miaoqiong;
+
+import java.util.Scanner;
+
+public class Abc {
+public static void main(String[] args) {
+ Scanner lll = new Scanner (System.in);
+
+ System.out.println("是否已婚");
+ String www=lll.next();
+ System.out.println("性別");
+ String gender=lll.next();
+ System.out.println("年齡");
+ int age =lll.nextInt();
+
+ if (www.equals("Y")) {
+ System.out.println("買保險");
+
+ } else {
+ if (gender.equals("男")) {
+ if (age>=25) {
+ System.out.println("買保險");
+ }else {
+ System.out.println("不買保險");
+ }
+
+ }
+
+ else {
+ if (age>=22) {
+ System.out.println("買保險");
+ } else {
+ System.out.println("不買保險");
+
+ }
+
+ }
+
+ }
+}
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Iio.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Iio.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1bed9e9b26e7f4b2756491db9d857515c2fec7d4
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Iio.java"
@@ -0,0 +1,28 @@
+package miaoqiong;
+
+import java.util.Scanner;
+
+public class Iio {
+ public static void main(String[] args) {
+ int sumber;
+ Scanner qqq = new Scanner(System.in);
+
+ System.out.println("請輸入學生成績");
+ sumber=qqq.nextInt();
+
+ if (sumber >=81 && sumber <=100) {
+ System.out.println("A");
+
+ } else if (sumber >= 60 && sumber <=80) {
+ System.out.println("B");
+
+ }else if (sumber >= 0 && sumber < 60) {
+ System.out.println("C");
+
+ }else{
+ System.out.println("成績輸入有誤，請重新輸入");
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Jkok.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Jkok.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9ba24be72230eb75cf7cd48c2fe6d2c0a113b389
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Jkok.java"
@@ -0,0 +1,39 @@
+package miaoqiong;
+
+import java.util.Scanner;
+
+public class Jkok {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner io =new Scanner (System.in);
+
+ System.out.println("輸入網購金額");
+ int a= io.nextInt();
+
+ if (a>0 && a<100) {
+ System.out.println(a);
+
+ } else {
+ if (a>=100 && a<500) {
+ System.out.println(a*0.9);
+
+ } else {
+ if (a>=500 && a<1000) {
+ System.out.println(a*0.85);
+
+ } else {
+ if (a>=1000 && a<5000) {
+ System.out.println(a*0.8);
+
+ } else {
+ System.out.println("您輸入的金額有誤");
+
+ }
+ }
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Pppp.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Pppp.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4f249c646c197ac23d31c05b6d112e4609ef3fc5
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Pppp.java"
@@ -0,0 +1,27 @@
+package miaoqiong;
+
+import java.util.Scanner;
+
+public class Pppp {
+ public static void main(String[] args) {
+ String a;
+ String n;
+
+ Scanner eee = new Scanner (System.in);
+ System.out.println("请输入小张性别");
+ a =eee.next();
+ System.out.println("请输入小王的性别");
+ n =eee.next();
+ if (a.equals(n))
+ {System.out.println("对不起，你们不能结婚");
+
+ } else {
+ System.out.println("恭喜，你们可以结婚");
+
+ }
+
+
+
+
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Uitjg.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Uitjg.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c3a646ed4391ed3ddb17afdaaaaf4cbcaa9bd3a3
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Uitjg.java"
@@ -0,0 +1,35 @@
+package miaoqiong;
+
+import java.util.Scanner;
+
+public class Uitjg {
+ public static void main(String[] args) {
+ Scanner io = new Scanner(System.in);
+
+ System.out.println("請輸入一個字符");
+ char ch = io.next().charAt(0);
+ int b;
+ b = (int) ch;
+
+ if ((b >= 65 && b <= 90) || (b >= 97 && b <= 122)) {
+ if (b >= 65 & b <= 90) {
+ System.out.println("是大寫字母");
+ }else if (b >= 97 & b <= 122) {
+ System.out.println("是小寫字母");
+
+ }
+ if (ch == 'A' || ch == 'O' || ch == 'E' || ch == 'I' || ch == 'U' || ch == 'V' || ch == 'a' || ch == 'o' || ch == 'e' || ch == 'i' || ch == 'u' || ch == 'v'
+ ) {
+ System.out.println("是韻母");
+
+ }else if (!(ch == 'A' || ch == 'O' || ch == 'E' || ch == 'I' || ch == 'U' || ch == 'V' || ch == 'a' || ch == 'o' || ch == 'e' || ch == 'i' || ch == 'u' || ch == 'v'
+ )) {
+ System.out.println("是聲母");
+
+ }
+ }else {
+ System.out.println("你輸入的不是字母");
+ }
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Zzzza.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Zzzza.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d9d02963b128ec950c8701be8556929c9bf36490
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/Zzzza.java"
@@ -0,0 +1,44 @@
+package miaoqiong;
+
+import java.util.Scanner;
+
+public class Zzzza {
+public static void main(String[] args) {
+ Scanner yuanying =new Scanner (System.in);
+
+ System.out.println("請輸入一個字符");
+ String yyy=yuanying.next();
+
+ if (yyy.equals("A")) {
+ System.out.println("是元音");
+
+ } else {
+ if (yyy.equals("E")) {
+ System.out.println("是元音");
+
+ } else {
+ if (yyy.equals("I")) {
+ System.out.println("是元音");
+
+ } else {
+ if (yyy.equals("O")) {
+ System.out.println("是元音");
+
+ } else {
+ if (yyy.equals("U")) {
+ System.out.println("是元音");
+
+ } else {
+ System.out.println("不是元音");
+
+ }
+
+ }
+
+ }
+
+ }
+
+ }
+}
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/pp.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/pp.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c9f61a1a16c59d24e7c5004f242cff778b7b46ee
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\242\201\345\225\223\351\221\253/pp.java"
@@ -0,0 +1,45 @@
+package miaoqiong;
+
+import java.util.Scanner;
+
+public class pp {
+public static void main(String[] args) {
+ Scanner io =new Scanner (System.in);
+
+ System.out.println("輸入一個數");
+ int a= io.nextInt();
+ System.out.println("輸入一個不同的數");
+ int b= io.nextInt();
+ System.out.println("輸入一個與上面不同數");
+ int c= io.nextInt();
+
+ if (a>b) {
+ if (a>c && b>c) {
+ System.out.println(a+">"+b+">"+c);
+
+ } else {
+ if ((a>c && b"+c+">"+b);
+ } else {
+ System.out.println(c+">"+a+">"+b);
+ }
+
+ }
+
+ }
+ else{
+ if (b>c && c>a) {
+ System.out.println(b+">"+c+">"+a);
+ } else {
+ if (b>c && c"+a+">"+c);
+ } else {
+ System.out.println(c+">"+b+">"+a);
+ }
+
+ }
+
+ }
+ }
+}
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_1.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..98c41702d32f240c630687abdf70b74afe6b0784
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_1.java"
@@ -0,0 +1,21 @@
+package com.cm.less;
+
+import java.util.Scanner;
+
+public class Less_1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入小王的性别:");
+ String sex=scan.next();
+ System.out.println("请输入小张的性别:");
+ String sex2=scan.next();
+ if(sex.equals(sex2)) {
+ System.out.println("对不起，你们不能结婚:");
+ }else {
+ System.out.println("恭喜，你们可以结婚:");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_2.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..153c8adc9871a90befbca8293ae5060907920312
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_2.java"
@@ -0,0 +1,23 @@
+package com.cm.less;
+
+import java.util.Scanner;
+
+public class Less_2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入分数:");
+ int num1=scan.nextInt();
+ if(num1<0||num1>100){
+ System.out.println("成绩输入有误，请重新输入");
+ }else if(num1>=81){
+ System.out.println("A:");
+ }else if(num1>=60){
+ System.out.println("B:");
+ }else if(num1<60) {
+ System.out.println("C:");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_3.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..db4e22205ecf65f62ad14419a16573a8d068cec3
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_3.java"
@@ -0,0 +1,23 @@
+package com.cm.less;
+
+import java.util.Scanner;
+
+public class Less_3 {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入网格金额:");
+ int num1=scan.nextInt();
+ if(num1<0){
+ System.out.println("金额错误");
+ }else if(num1>0 && num1<100){
+ System.out.println("没有折扣");
+ }else if(num1>=100 && num1<500){
+ System.out.println("打九折");
+ }else if(num1>=500 && num1<1000) {
+ System.out.println("打八点五折");
+ }else if(num1>=1000 && num1<5000) {
+ System.out.println("打八折");
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_4.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5f1ee32074563f18ee7808209e4aab106541fec8
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_4.java"
@@ -0,0 +1,32 @@
+package com.cm.less;
+
+import java.util.Scanner;
+
+public class Less_4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("是否已结婚");
+ String a=scan.next();
+ System.out.println("请问你的性别");
+ String b=scan.next();
+ System.out.println("请问你的年龄");
+ int c=scan.nextInt();
+ if(a.equals("Y")) {
+ System.out.println("可以买保险");
+ }else{
+ if(b.equals("男")) {
+ if(c>=25){
+ System.out.println("可以买保险");}
+ }else {
+ System.out.println("不可以买保险");
+ }
+ if(b.equals("女")) {
+ if(c>=22){
+ System.out.println("可以买保险");}
+ }else {
+ System.out.println("不可以买保险");
+ }
+ }}}
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0e1c4530b1a13bae32ac98b40c2e21e6a307d789
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_5.java"
@@ -0,0 +1,17 @@
+package com.cm.less;
+
+import java.util.Scanner;
+
+public class Less_5 {
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入字母");
+ char t=scan.next().charAt(0);
+ if (t=='A'|| t=='E'|| t=='I'||t=='O'||t=='U' ) {
+ System.out.println("啊，你输入的是大写字母");
+ }else {
+ System.out.println("啊，你输入的不是大写字母");
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bd09232bf2a36729de8250896516b037b0e28ef0
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_6.java"
@@ -0,0 +1,36 @@
+package com.cd.less;
+
+import java.util.Scanner;
+
+public class Less_1 {
+ public static void main(String[] args) {
+ Scanner scan =new Scanner(System.in);
+ System.out.println("请输入一个数");
+ int a=scan.nextInt();
+ System.out.println("请输入二个数");
+ int b=scan.nextInt();
+ System.out.println("请输入三个数");
+ int c=scan.nextInt();
+ if (a>b) {
+ if (b>c) {//a>b>c
+ System.out.println(a+">"+b+">"+c);
+ }else {//a>b c>b
+ if (a>c) {
+ System.out.println(a+">"+c+">"+b);
+ }else {//c>a a>b
+ System.out.println(c+">"+a+">"+b);
+ }
+ }
+ }else {
+ if (a"+b+">"+a);
+ }else {//a"+c+">"+a);
+ }else {//c"+a+">"+c);
+ }
+ }
+ }}}}
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_7.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bbd1b395a17fd772342d15a1cc149407c8f80ba0
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\237/Less_7.java"
@@ -0,0 +1,42 @@
+package com.cd.less;
+
+import java.util.Scanner;
+
+public class Less_2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ //编写一个程序，根据用户输入的一个字符，判断该字符是不是字母，
+ //如果是字母，判断该字母是声母还是韵母，是大写字母还是小写字母，如果不是字母，
+ //则输出“你输入的字符不是字母”
+
+
+//一个字母的声母有:b、p、m、f、d、t、n、l、g、k、h、j、q、x、r、z、c、s、y、w。
+//一个字母的韵母有: a、o、e、i、u、v。
+ Scanner scan =new Scanner(System.in);
+ System.out.println("请输入一个字符");
+ char n=scan.next().charAt(0);
+ int Y = n;
+ if (Y>=97 && Y<=122 || Y>=65&&Y<=90) {
+ if (Y>=97 &&Y<=122) {
+ System.out.println("该字母是小写字母");
+ }else {
+ System.out.println("该字母是大写字母");
+ }
+ if (Y=='a'||Y=='o'||Y=='e'||
+ Y=='i'||Y=='u'||
+ Y=='v'||
+ Y=='A'||Y=='O'||Y=='E'||
+ Y=='I'||Y=='U'||
+ Y=='V') {
+ System.out.println("该字母是韵字母");
+ }else {
+ System.out.println("该字母是声字母");
+ }
+ }else {
+ System.out.println("请输入正确的字符，不要搞事情！！");
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc1.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9537a78c4ec7183fb549a9b5b7ad9929529fd1ce
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc1.java"
@@ -0,0 +1,10 @@
+package jbg;
+
+public class Xc1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc2.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..66d52e1dc520cb2a1462c573c9968bec4b7b1f5c
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc2.java"
@@ -0,0 +1,10 @@
+package jbg;
+
+public class Xc2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc3.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a64ed0d48dbd36c501190932ec7c6561751cdf1f
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc3.java"
@@ -0,0 +1,10 @@
+package jbg;
+
+public class Xc3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc4.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..14ef1ea2f9fe441284604328f80c22b5337db34e
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc4.java"
@@ -0,0 +1,10 @@
+package jbg;
+
+public class Xc4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..287b2e59958db615a6852fb1e52c794a72499e48
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc5.java"
@@ -0,0 +1,10 @@
+package jbg;
+
+public class Xc5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d19be6575b5eaf1184f2bc1b8f8bd6a6448607d4
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc6.java"
@@ -0,0 +1,10 @@
+package jbg;
+
+public class Xc6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc7.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b4d34a891e6db8aa8c3ef207982ac25c30c88604
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Xc7.java"
@@ -0,0 +1,10 @@
+package jbg;
+
+public class Xc7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo1.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9e0bdc2dd6e9be58a4cf7d35745af3127ccd7875
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo1.java"
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+public class demo1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入小王性别：");
+ String password1 =scanner.next();
+ System.out.println("请输入小张性别：");
+ String password2 =scanner.next();
+ if(password1.equals(password2)) {
+ System.out.println("对不起，你们不能结婚!");
+ }
+ else {
+ System.out.println("恭喜，你们可以结婚!");
+ }
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo2.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5efa5ea47a5539afc2617cf04ff660c08afb0ac1
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo2.java"
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+ public class demo2{
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入学生成绩：");
+ int a = scanner.nextInt();
+ if(a>=81 && a<=100) {
+ System.out.println("A级");
+ }
+ else if(a>=60 && a<=80){
+ System.out.println("B级");
+ }
+ else if(a>0 && a<60){
+ System.out.println("C级");
+ }
+ else {
+ System.out.println("成绩输入有误，请重新输入");
+ }
+ }
+
+ }
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo3.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fdf87cb896febc99f28d7e50ba1b9ddb4acbf20d
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo3.java"
@@ -0,0 +1,43 @@
+import java.util.Scanner;
+
+public class demo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入是否结婚：");
+ String isMarried = scanner.next();
+
+ System.out.println("请输入性别：");
+ String gender = scanner.next();
+
+ System.out.println("请输入年龄：");
+ int age = scanner.nextInt();
+
+ // if嵌套
+ if (isMarried.equals("是")) {
+ System.out.println("买保险！");
+ } else {
+ if (gender.equals("男")) {
+ if (age >= 25) {
+ System.out.println("买保险！");
+ } else {
+ System.out.println("不买保险！");
+ }
+ } else {
+ if (age >= 22) {
+ System.out.println("买保险！");
+ } else {
+ System.out.println("不买保险！");
+ }
+ }
+ }
+
+
+
+ }
+
+ }
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo4.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..76d5375bb090873c81df33bbd69b62c0d6d6fabb
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo4.java"
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+
+public class demo4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ String a;
+ System.out.println("请输入某个字符：");
+ a=scanner.next();
+ if (a.equals("A")||a.equals("E")||a.equals("I")||a.equals("O")||a.equals("U")) {
+ System.out.println("是大写元音字母");
+ }else {
+ System.out.println("不是大写元音字母");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..84ebb3e0bfe03fb7ab2242ff10fdb0987cd3efca
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo5.java"
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+public class demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ int a;
+ System.out.println("请输入购买价格：");
+ a=scanner.nextInt();
+ if (a>=1000 && a<5000) {
+ System.out.println("八折后的价格为："+(a*0.8));
+ }else if(a>=500 && a<1000) {
+ System.out.println("八点五折后的价格为："+(a*0.85));
+ }else if(a>=100 && a<500) {
+ System.out.println("九折后的价格为："+(a*0.9));
+ }else if(a>=0 && a<100) {
+ System.out.println("无折扣");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..42a672a7bbf7df27227a8481444005ea00c5e93b
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo6.java"
@@ -0,0 +1,43 @@
+import java.util.Scanner;
+
+public class demo6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ int a;
+ int b;
+ int c;
+ System.out.println("请输入数字：");
+ a=scanner.nextInt();
+ System.out.println("请输入数字：");
+ b=scanner.nextInt();
+ System.out.println("请输入数字：");
+ c=scanner.nextInt();
+
+ if (a>b) {
+ if (b>c) {
+ System.out.println(a + ">" + b + ">" + c);
+ }else {
+ if (a>c) {
+ System.out.println(a + ">" + c + ">" + b);
+ }else {
+ System.out.println(c + ">" + a + ">" + b);
+ }
+ }
+ }
+ else {
+ if (c>b) {
+ System.out.println(c + ">" + b + ">" + a);
+ }else {
+ if (a>c) {
+ System.out.println(b + ">" + a + ">" + c);
+ }else {
+ System.out.println(b + ">" + c + ">" + a);
+ }
+ }
+ }
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo7.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..12c739a43cda4664aae2e6aa36d97fcc5bf920d8
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\206\212\346\226\207\351\221\253/demo7.java"
@@ -0,0 +1,34 @@
+import java.util.Scanner;
+
+public class demo7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ int a;
+ System.out.println("请输入一个字母：");
+ char b=scanner.next().charAt(0);
+ a=b;
+
+ if (a>=65 && a<=90 || a>=97 && a<=122) {
+ if (a>=97 && a<=122) {
+ if (a==97 || a==101 || a==105 || a==111 || a==117 || a==118) {
+ System.out.println("该字母是小写韵母");
+ }else {
+ System.out.println("该字母是小写声母");
+ }
+ }else {
+ if (a==65 || a==69 || a==73 || a==79 || a==85 || a==86) {
+ System.out.println("该字母是大写韵母");
+ }else {
+ System.out.println("该字母是大写声母");
+ }
+ }
+ }else {
+ System.out.println("您输入的不是字母！");
+ }
+
+ }
+
+
+ }
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\344\277\235\351\231\251.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\344\277\235\351\231\251.java"
new file mode 100644
index 0000000000000000000000000000000000000000..151c4e7c3dc49447a68ccdae7e6b23bbabef0dfc
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\344\277\235\351\231\251.java"
@@ -0,0 +1,44 @@
+package asdsadasdasdasdasdsadsaasdsadasdasd;
+
+import java.util.Scanner;
+
+public class 保险 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("是否已婚");
+ String num1= scan.next();
+ System.out.println("男的女的");
+ String num2= scan.next();
+ System.out.println("多大了");
+ int num3= scan.nextInt();
+ if(num2.equals("男")) {
+ if(num1.equals("Y")) {
+ System.out.println("可以买");
+ }else {
+ if(num3>25) {
+ System.out.println("可以买");
+ }else {
+ System.out.println("不可以买");
+ }
+ }
+
+ }else {
+ if(num1.equals("Y")) {
+ System.out.println("可以买");
+ }else {
+ if(num3>22) {
+ System.out.println("可以买");
+ }else {
+ System.out.println("不可以买");
+ }
+ }
+
+
+
+ }
+
+
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\345\255\227\346\257\215.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\345\255\227\346\257\215.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5591dc36444272156b8df31cba2cc94261fda553
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\345\255\227\346\257\215.java"
@@ -0,0 +1,28 @@
+package asdsadasdasdasdasdsadsaasdsadasdasd;
+
+import java.util.Scanner;
+
+public class 字母 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("输入一个字母");
+ char num1=scan.next().charAt(0);
+ if(num1=='A'|num1=='B'|num1=='C'|num1=='D'|num1=='E'|num1=='F'|num1=='G'|num1=='H'|num1=='I'|num1=='J'|num1=='K'|num1=='L'|num1=='M'|num1=='N'|num1=='O'|num1=='P'|num1=='Q'|num1=='R'|num1=='S'|num1=='T'|num1=='U'|num1=='V'|num1=='W'|num1=='X'|num1=='Y'|num1=='Z'|num1=='a'|num1=='b'|num1=='c'|num1=='d'|num1=='e'|num1=='f'|num1=='g'|num1=='h'|num1=='i'|num1=='j'|num1=='k'|num1=='l'|num1=='m'|num1=='n'|num1=='o'|num1=='p'|num1=='q'|num1=='r'|num1=='s'|num1=='t'|num1=='u'|num1=='v'|num1=='w'|num1=='x'|num1=='y'|num1=='z') {
+ System.out.println("是字母");
+ if(num1=='a'|num1=='o'|num1=='e'|num1=='i'|num1=='u'|num1=='v') {
+ System.out.println("是韵母");
+ }else {
+ System.out.println("是声母");
+ }if(num1=='A'|num1=='B'|num1=='C'|num1=='D'|num1=='E'|num1=='F'|num1=='G'|num1=='H'|num1=='I'|num1=='J'|num1=='K'|num1=='L'|num1=='M'|num1=='N'|num1=='O'|num1=='P'|num1=='Q'|num1=='R'|num1=='S'|num1=='T'|num1=='U'|num1=='V'|num1=='W'|num1=='X'|num1=='Y'|num1=='Z') {
+ System.out.println("是大写");
+ }else {
+ System.out.println("是小写");
+ }
+
+ }else {System.out.println("不是字母");
+
+ }
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\210\220\347\273\251.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\210\220\347\273\251.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6c74a5160da87f6e49ca219f26e561ff3b120a19
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\210\220\347\273\251.java"
@@ -0,0 +1,24 @@
+package asdsadasdasdasdasdsadsaasdsadasdasd;
+
+import java.util.Scanner;
+
+public class dgff {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入分数");
+ double num1 = scan.nextDouble();
+
+ if(num1<60) {
+ System.out.println("c");
+ } else if(num1<81&num1>59){
+ System.out.println("b");
+ }else if(num1>80&num1<101) {
+ System.out.println("A");
+ }else if(num1>100||num1<0){
+ System.out.println("滚犊子");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\211\223\346\212\230.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\211\223\346\212\230.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ec29b49ddad7370b82d6169c3533e1fab12df61c
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\346\211\223\346\212\230.java"
@@ -0,0 +1,23 @@
+package asdsadasdasdasdasdsadsaasdsadasdasd;
+
+import java.util.Scanner;
+
+public class sad {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("输入消费金额");
+ double num1= scan.nextDouble();
+ if(num1>0&num1<100) {
+ System.out.println("无折扣");
+ }else if(num1>=100&num1<500) {
+ System.out.println("九折");
+ }else if(num1>=500&num1<1000) {
+ System.out.println("八点五折");
+ }else if(num1>=1000&num1<5000) {
+ System.out.println("八折，土豪做朋友吧");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\347\273\223\345\251\232.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\347\273\223\345\251\232.java"
new file mode 100644
index 0000000000000000000000000000000000000000..75c52696bcc7306bfa9152e32283fa2b1c507223
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\236/\347\273\223\345\251\232.java"
@@ -0,0 +1,24 @@
+package asdsadasdasdasdasdsadsaasdsadasdasd;
+
+import java.util.Scanner;
+
+public class wsasd {
+
+ public static void main(String[] args) {
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入小张的性别");
+ String num1= scan.next("");
+ System.out.println("请输入小王八的性别");
+ String num2= scan.next("");
+ if(num1.equals(num2)) {
+ System.out.println("死变态");
+
+ }else {
+ System.out.println("可以结婚");
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DXSX.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DXSX.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cddefbed20664359d05fadc9f277cf14579bbb77
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DXSX.java"
@@ -0,0 +1,39 @@
+import java.util.Scanner;
+
+public class DXSX {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入第一个数字");
+ int a = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ int b = scan.nextInt();
+ System.out.println("请输入第三个数字");
+ int c = scan.nextInt();
+
+ if(a>b) {
+ if(b>c) {
+ System.out.println(a+">"+b+">"+c);
+ }else {
+ if(a>c) {
+ System.out.println(a+">"+c+">"+b);
+ }else {
+ System.out.println(c+">"+a+">"+b);
+ }
+ }
+
+ }else {
+ if(b>c) {
+ if(a>c) {
+ System.out.println(b+">"+a+">"+c);
+ }else {
+ System.out.println(b+">"+c+">"+a);
+ }
+ }else {
+ System.out.println(c+">"+b+">"+a);
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DZ.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DZ.java"
new file mode 100644
index 0000000000000000000000000000000000000000..eb7fc804a4d827850217dd8171df44f3accf6826
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DZ.java"
@@ -0,0 +1,22 @@
+import java.util.Scanner;
+
+public class DZ {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入网购金额");
+ int a = scan.nextInt();
+
+ if(a<100){
+ System.out.println("折后金额"+a);
+ }else if(a>100 && a<=500){
+ System.out.println("折后金额" + a * 0.9);
+ }else if(a>500 && a<=1000){
+ System.out.println("折后金额"+ a * 0.85);
+ }else if(a>1000 && a<=5000){
+ System.out.println("折后金额" +a* 0.8 );
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/JH.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/JH.java"
new file mode 100644
index 0000000000000000000000000000000000000000..89c4d4d2a5495717136583cabe4426fd15105d25
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/JH.java"
@@ -0,0 +1,21 @@
+import java.util.Scanner;
+
+public class JH {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入小王的性别");
+ String a = scan.next();
+ System.out.println("请输入小张的性别");
+ String b = scan.next();
+ if(a.equals(b)) {
+ System.out.println("对不起，你们不能结婚");
+ }else {
+ System.out.println("恭喜，你们可以结婚");
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/MBX.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/MBX.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a35eeecd7115fb7063b400cf29aaeac378733bc5
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/MBX.java"
@@ -0,0 +1,32 @@
+import java.util.Scanner;
+
+public class MBX {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入是否结婚");
+ String a = scan.next();
+ System.out.println("请输入性别");
+ String b = scan.next();
+ System.out.println("请输入年龄");
+ int age = scan.nextInt();
+ if(a.equals("Y")){
+ System.out.println("买保险");
+ }else {
+ if(b.equals("男")) {
+ if(age>=25) {
+ System.out.println("买保险");
+ }else {
+ System.out.println("不买保险");
+ }
+ }else {
+ if(age>=22) {
+ System.out.println("买保险");
+ }else {
+ System.out.println("不买保险");
+ }
+ }
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/PDYY.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/PDYY.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0096c9911c45c28e889d3c4de3c31555888dea51
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/PDYY.java"
@@ -0,0 +1,18 @@
+import java.util.Scanner;
+
+public class PDYY {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入字符");
+ String a = scan.next();
+ if(a.equals("A")||a.equals("E")||a.equals("I")||a.equals("O")||a.equals("U"))
+ {
+ System.out.println("是大写元音字母");
+ }else {
+ System.out.println("不是大写元音字母");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/PDZM.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/PDZM.java"
new file mode 100644
index 0000000000000000000000000000000000000000..37e951190d01a58811dfb280e0b537240ae240e6
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/PDZM.java"
@@ -0,0 +1,28 @@
+import java.util.Scanner;
+
+public class PDZM {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入字母：");
+ char a = scan.next().charAt(0);
+
+ if(a>=65 && a<=90 || a>=97 && a<=122){
+ System.out.println("是字母");
+ }else {
+ System.out.println("你输入的字符不是字母");
+ return;}
+ if(a>=65 && a<=90) {
+ System.out.println("是大写字母");
+ }else {
+ System.out.println("是小写字母");
+ }if(a==65 || a==97 || a==79 || a==111|| a==69 || a==101 || a==73 || a==105 || a==85 || a==117 || a==86 || a==118)
+ {System.out.println("是韵母");
+
+ }else {
+ System.out.println("是声母");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/XSCJ.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/XSCJ.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9163cbceb8588e1db1b2e7fda3876f7e504ab2d9
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/XSCJ.java"
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+public class XSCJ {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入学生成绩");
+ int a = scan.nextInt();
+
+ if(a<60){
+ System.out.println("学生成绩是c");
+ }else if(a>=60 && a<=80){
+ System.out.println("学生成绩是b");
+ }else if(a>=81 && a<=100){
+ System.out.println("学生成绩是a");
+ }else{
+ System.out.println("成绩输入有误，请重新输入");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Baoxian.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Baoxian.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f3d4981416318a617213a2d4419fcebc1d2c15fc
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Baoxian.java"
@@ -0,0 +1,35 @@
+package dsasadasd;
+
+import java.util.Scanner;
+
+public class Baoxian {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入是否结婚");
+ String a = scanner.next();
+ if (a.equals("Y")) {
+ System.out.println("买保险");
+ return;
+ }
+ System.out.println("请输入性别");
+ String b = scanner.next();
+ System.out.println("请输入年龄");
+ int c = scanner.nextInt();
+
+ if (b.equals("男")) {
+ if (c >= 25) {
+ System.out.println("买保险");
+ } else {
+ System.out.println("不买保险");
+ }
+ } else {
+ if (c >= 22) {
+ System.out.println("买保险");
+ } else {
+ System.out.println("不买保险");
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/DAxiao.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/DAxiao.java"
new file mode 100644
index 0000000000000000000000000000000000000000..07b2438743afca158d97afa74a7ed768aebc9c32
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/DAxiao.java"
@@ -0,0 +1,45 @@
+package sdfasadfsdaf;
+
+import java.util.Scanner;
+
+public class DAXIAO {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入数字");
+ double a = scanner.nextDouble();
+
+ System.out.println("请输入数字");
+ double b = scanner.nextDouble();
+
+ System.out.println("请输入数字");
+ double c = scanner.nextDouble();
+
+ if (a>b) {
+ if (b>c) {System.out.println(a+">"+b+">"+c);
+
+ } else {
+ if (a>c) {System.out.println(a+">"+c+">"+b);
+
+ } else {System.out.println(c+">"+a+">"+b);
+
+ }
+
+ }
+
+
+ }
+ else {
+ if (b>c) {if (a>c) {System.out.println(b+">"+a+">"+c);
+
+ } else {System.out.println(b+">"+c+">"+a);
+
+ }
+}
+ else {System.out.println(c+">"+b+">"+a);
+
+ }
+ }
+ }
+ }
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/DAzhe.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/DAzhe.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1a4ed0ea049f7e14a9b0ccffc7e20a3a33dca5c6
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/DAzhe.java"
@@ -0,0 +1,30 @@
+package dsasadasd;
+
+import java.util.Scanner;
+
+public class DAzhe {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入金额");
+ double a = scanner.nextDouble();
+
+ if (a>=0 &&a<100) {
+ System.out.println("无");
+ } else if (a>=100 && a<500){
+ System.out.println("九折");
+ }
+ else if (a>=500 && a<1000){
+ System.out.println("八点五折");
+ }else if(a>=1000 && a<5000) {
+
+ System.out.println("八折");
+
+ }
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Jie.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Jie.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d327bab374c31a706d00bfd32b5548b501a5e16a
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Jie.java"
@@ -0,0 +1,21 @@
+package dsasadasd;
+
+import java.util.Scanner;
+
+public class Jie {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("性别");
+ String a = scanner.next();
+ System.out.println("性别");
+ String b = scanner.next();
+
+ if(a.equals(b))
+ System.out.println("不可以");
+ else
+ System.out.println("可以");
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Xuesheng.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Xuesheng.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7523d6027ee4c165cba1ba9159e82b6133116f39
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Xuesheng.java"
@@ -0,0 +1,30 @@
+package dsasadasd;
+
+import java.util.Scanner;
+
+public class Xuesheng {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入成绩");
+ double a = scanner.nextDouble();
+
+ if (a>=0 &&a<60) {
+ System.out.println("C");
+ } else if (a>=60 && a<=80){
+ System.out.println("B");
+ }
+ else if (a>=81 && a<=100){
+ System.out.println("A");
+ }else {
+
+ System.out.println("成绩输入有错，请重新输入");
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/YUANYIN.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/YUANYIN.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e1a76b3525575d255ac273ca868cd23eec2a7571
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/YUANYIN.java"
@@ -0,0 +1,35 @@
+package dsasadasd;
+
+import java.util.Scanner;
+
+public class YUANYIN {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入字符");
+ String a = scanner.next();
+ if (a.equals("A")) {
+ System.out.println("有元音");
+ } else if (a.equals("O")) {
+ System.out.println("有元音");
+ }
+ else if (a.equals("E")) {
+ System.out.println("有元音");
+ }
+ else if (a.equals("I")) {
+ System.out.println("有元音");
+ }
+ else if (a.equals("U")) {
+ System.out.println("有元音");
+ }
+
+
+
+ else {System.out.println("没有元音");
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/ZImu.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/ZImu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bc6539c1cd2dcdb2b8e5c6bce51f1ad290482940
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/ZImu.java"
@@ -0,0 +1,40 @@
+package dsasadasd;
+
+import java.util.Scanner;
+
+public class ZImu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入字符");
+ char a = scanner.next().charAt(0);
+
+ if (a>=97&&a<=122 || a>=65&&a<=90) {
+
+ if (a>=65&&a<=90) {
+ System.out.println("大写");
+ if (a=='A'||a=='O'||a=='E'||a=='I'||a=='U'||a=='V') {
+ System.out.println("韵母");
+ } else {
+ System.out.println("声母");
+ }
+
+ } else if (a>=97&&a<=122) {
+ System.out.println("小写");
+ if (a=='a'||a=='o'||a=='e'||a=='i'||a=='u'||a=='v') {
+ System.out.println("韵母");
+ } else {
+ System.out.println("声母");
+ }
+ }
+
+
+
+ } else {
+ System.out.println("不是字母");
+ }
+ }
+
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo01.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..415ac513c46afdd7433135096ff0bed6a61ea2d8
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo01.java"
@@ -0,0 +1,22 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入小王的性别");
+ String a=scanner.next();
+ System.out.println("请输入小张的性别");
+ String b=scanner.next();
+ if( a.equals(b)) {
+ System.out.println("对不起，你们不能结婚");
+ }
+ else {
+ System.out.println("恭喜，你们可以结婚");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo02.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f6f9d3d52bef6fc6859c68f3cc59db076cc9e315
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo02.java"
@@ -0,0 +1,26 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("该同学的成绩");
+ int a=scanner.nextInt();
+ if(a<60 && a>0 ) {
+ System.out.println("该同学成绩为C等级");
+ }
+ else if(a>=60 && a<=80) {
+ System.out.println("该同学成绩为B等级");
+ }
+ else if(a>80 && a<=100) {
+ System.out.println("该同学成绩为A等级");
+ }
+ else{
+ System.out.println("成绩输入有误，请重新输入");
+ }
+ }
+
+}
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo03.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5b145db42b47534dbcd2c998cc2bca5bf72c2cc9
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo03.java"
@@ -0,0 +1,31 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo03 {
+ static Scanner scanner=new Scanner(System.in);
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("消费金额");
+ int a=scanner.nextInt();
+ if(a<=100 && a>0 ) {
+ System.out.println("无折扣");
+ }
+ else if(a>100 && a<=500) {
+ System.out.println("九折");
+ }
+ else if(a>500 && a<=1000) {
+ System.out.println("八点五折");
+ }
+ else if(a>1000 && a<=5000){
+ System.out.println("八折");
+ }
+ else {
+ System.out.println("免费");
+ }
+ }
+
+
+}
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo04.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7758a28dcb1cfa35a32c4ed8fe01ee34010d5387
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo04.java"
@@ -0,0 +1,43 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("是否已婚");
+ String a=scanner.next();
+ if(a.equals("Y")) {
+ System.out.println("可以买保险");
+ return;
+ }
+ else {
+ System.out.println("请输入您的性别");
+ String b=scanner.next();
+ if (b.equals("男")) {
+ System.out.println("请输入您的年龄");
+ int age=scanner.nextInt();
+ if(age>=25){
+ System.out.println("可以买保险");
+ }
+ else {
+ System.out.println("不可以买保险");
+ }
+ }
+ else {
+ System.out.println("请输入您的年龄");
+ int age=scanner.nextInt();
+ if(age>=22){
+ System.out.println("可以买保险");
+ }
+ else {
+ System.out.println("不可以买保险");
+ }
+ }
+ }
+
+ }
+
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo05.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..903bc601d0d2bf331f3cb4ddb92ec8fd382d75f2
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo05.java"
@@ -0,0 +1,34 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入英文");
+ String a=scanner.next();
+ if (a.equals("A")) {
+ System.out.println("改英文为元音");
+ }
+ else if(a.equals("U")){
+ System.out.println("改英文为元音");
+ }
+ else if(a.equals("E")){
+ System.out.println("改英文为元音");
+ }
+ else if(a.equals("I")){
+ System.out.println("改英文为元音");
+ }
+ else if(a.equals("O")){
+ System.out.println("改英文为元音");
+ }
+ else {
+ System.out.println("改英文不是元音");
+ }
+
+
+ }
+
+ }
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo06.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo06.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1bf50426fab1f52dd018a800dc9c3c4c4913dacc
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo06.java"
@@ -0,0 +1,37 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo06 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入字符");
+ char num02=scanner.next().charAt(0);
+ int num01=num02;
+ if (num01>90&num01<97 ||num01<65||num01>122) {
+ System.out.println("该字符是不是字母");
+ }
+ else {
+ if(num01>=65&num01<=90 ) {
+ System.out.println("该字母是大写字母");
+ if(num02=='A'||num02=='O'||num02=='E'||num02=='I'||num02=='U'||num02=='V') {
+ System.out.println("该字母为韵母");
+ }
+ else {
+ System.out.println("该字母为声母");
+ }
+ }
+ else {
+ System.out.println("该字母是小写字母");
+ if(num02=='a'||num02=='o'||num02=='e'||num02=='i'||num02=='u'||num02=='v') {
+ System.out.println("该字母为韵母");
+ }
+ else {
+ System.out.println("该字母为声母");
+ }
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo07.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo07.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c20e0888129145e82de7f3ac36f6acb5f4ebfa0a
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession06/Demo07.java"
@@ -0,0 +1,50 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo07 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入第一个值");
+ int a=scanner.nextInt();
+ System.out.println("请输入第二个值");
+ int b=scanner.nextInt();
+ System.out.println("请输入第三个值");
+ int c=scanner.nextInt();
+ if(a>b&&a>c&&b>c){
+ System.out.println(a+">"+b+">"+c);
+ }
+ else{
+ if(a>b&&a>c&&c>b) {
+ System.out.println(a+">"+c+">"+b);
+ }
+ else {
+ if(b>a&&a>c&&b>c) {
+ System.out.println(b+">"+a+">"+c);
+ }
+ else {
+ if(b>a&&c>a&&b>c) {
+ System.out.println(b+">"+c+">"+a);
+ }
+ else {
+ if(c>a&&c>b&&b>a) {
+ System.out.println(c+">"+b+">"+a);
+ }
+ else {
+ if(c>a&&c>b&&a>b) {
+ System.out.println(c+">"+a+">"+b);
+ }
+ else {
+ System.out.println("");
+ }
+ }
+ }
+ }
+ }
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/DXSX.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/DXSX.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cddefbed20664359d05fadc9f277cf14579bbb77
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/DXSX.java"
@@ -0,0 +1,39 @@
+import java.util.Scanner;
+
+public class DXSX {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入第一个数字");
+ int a = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ int b = scan.nextInt();
+ System.out.println("请输入第三个数字");
+ int c = scan.nextInt();
+
+ if(a>b) {
+ if(b>c) {
+ System.out.println(a+">"+b+">"+c);
+ }else {
+ if(a>c) {
+ System.out.println(a+">"+c+">"+b);
+ }else {
+ System.out.println(c+">"+a+">"+b);
+ }
+ }
+
+ }else {
+ if(b>c) {
+ if(a>c) {
+ System.out.println(b+">"+a+">"+c);
+ }else {
+ System.out.println(b+">"+c+">"+a);
+ }
+ }else {
+ System.out.println(c+">"+b+">"+a);
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/DZ.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/DZ.java"
new file mode 100644
index 0000000000000000000000000000000000000000..eb7fc804a4d827850217dd8171df44f3accf6826
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/DZ.java"
@@ -0,0 +1,22 @@
+import java.util.Scanner;
+
+public class DZ {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入网购金额");
+ int a = scan.nextInt();
+
+ if(a<100){
+ System.out.println("折后金额"+a);
+ }else if(a>100 && a<=500){
+ System.out.println("折后金额" + a * 0.9);
+ }else if(a>500 && a<=1000){
+ System.out.println("折后金额"+ a * 0.85);
+ }else if(a>1000 && a<=5000){
+ System.out.println("折后金额" +a* 0.8 );
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/JH.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/JH.java"
new file mode 100644
index 0000000000000000000000000000000000000000..89c4d4d2a5495717136583cabe4426fd15105d25
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/JH.java"
@@ -0,0 +1,21 @@
+import java.util.Scanner;
+
+public class JH {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入小王的性别");
+ String a = scan.next();
+ System.out.println("请输入小张的性别");
+ String b = scan.next();
+ if(a.equals(b)) {
+ System.out.println("对不起，你们不能结婚");
+ }else {
+ System.out.println("恭喜，你们可以结婚");
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/MBX.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/MBX.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a35eeecd7115fb7063b400cf29aaeac378733bc5
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/MBX.java"
@@ -0,0 +1,32 @@
+import java.util.Scanner;
+
+public class MBX {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入是否结婚");
+ String a = scan.next();
+ System.out.println("请输入性别");
+ String b = scan.next();
+ System.out.println("请输入年龄");
+ int age = scan.nextInt();
+ if(a.equals("Y")){
+ System.out.println("买保险");
+ }else {
+ if(b.equals("男")) {
+ if(age>=25) {
+ System.out.println("买保险");
+ }else {
+ System.out.println("不买保险");
+ }
+ }else {
+ if(age>=22) {
+ System.out.println("买保险");
+ }else {
+ System.out.println("不买保险");
+ }
+ }
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/PDYY.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/PDYY.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0096c9911c45c28e889d3c4de3c31555888dea51
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/PDYY.java"
@@ -0,0 +1,18 @@
+import java.util.Scanner;
+
+public class PDYY {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入字符");
+ String a = scan.next();
+ if(a.equals("A")||a.equals("E")||a.equals("I")||a.equals("O")||a.equals("U"))
+ {
+ System.out.println("是大写元音字母");
+ }else {
+ System.out.println("不是大写元音字母");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/PDZM.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/PDZM.java"
new file mode 100644
index 0000000000000000000000000000000000000000..37e951190d01a58811dfb280e0b537240ae240e6
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/PDZM.java"
@@ -0,0 +1,28 @@
+import java.util.Scanner;
+
+public class PDZM {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入字母：");
+ char a = scan.next().charAt(0);
+
+ if(a>=65 && a<=90 || a>=97 && a<=122){
+ System.out.println("是字母");
+ }else {
+ System.out.println("你输入的字符不是字母");
+ return;}
+ if(a>=65 && a<=90) {
+ System.out.println("是大写字母");
+ }else {
+ System.out.println("是小写字母");
+ }if(a==65 || a==97 || a==79 || a==111|| a==69 || a==101 || a==73 || a==105 || a==85 || a==117 || a==86 || a==118)
+ {System.out.println("是韵母");
+
+ }else {
+ System.out.println("是声母");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/XSCJ.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/XSCJ.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9163cbceb8588e1db1b2e7fda3876f7e504ab2d9
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/XSCJ.java"
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+public class XSCJ {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入学生成绩");
+ int a = scan.nextInt();
+
+ if(a<60){
+ System.out.println("学生成绩是c");
+ }else if(a>=60 && a<=80){
+ System.out.println("学生成绩是b");
+ }else if(a>=81 && a<=100){
+ System.out.println("学生成绩是a");
+ }else{
+ System.out.println("成绩输入有误，请重新输入");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo1.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f23c9c5a79038eac8edbed597431a7e9c598fb3c
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo1.java"
@@ -0,0 +1,28 @@
+package com.md.lession6;
+
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+
+ String sex1;
+ String sex2;
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入第一位人的性别：");
+ sex1 = scanner.next();
+ System.out.println("请输入第二位人的性别：");
+ sex2 = scanner.next();
+ if (sex1.equals(sex2)) {
+ System.out.println("对不起你们不能结婚");
+ }else {
+ System.out.println("恭喜你们可以结婚");
+ }
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo2.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3f8d81ce80a1d0ca9b792c446d25fd555d2ba876
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo2.java"
@@ -0,0 +1,23 @@
+package com.md.lession6;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入学生成绩：");
+ int a = scanner.nextInt();
+ if (a<0 || a>100) {
+ System.out.println("成绩输入有误");
+ }else if (a>=60 && a<=80) {
+ System.out.println("等级B");
+ }else if (a>=81 && a<=100) {
+ System.out.println("等级A");
+ }else
+ System.out.println("等级C");
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo3.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0e1317014cae7ebeca9a70216533e9d220762b5b
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo3.java"
@@ -0,0 +1,35 @@
+package com.md.lession6;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入是否结婚：");
+ String marry = scanner.next();
+ System.out.println("请输入性别：");
+ String sex = scanner.next();
+ System.out.println("请输入年龄：");
+ int age = scanner.nextInt();
+ if (marry.equals("Y")) {
+ System.out.println("买保险！");
+ } else {
+ if (sex.equals("男")) {
+ if (age>=25) {
+ System.out.println("买保险");
+ } else {
+ System.out.println("不买保险");
+ }
+ }else {
+ if (age>=22) {
+ System.out.println("买保险");
+ } else {
+ System.out.println("不买保险");
+ }
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo4.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a387c8b43c72b51fbd0a0d4d3703403696d97962
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo4.java"
@@ -0,0 +1,17 @@
+package com.md.lession6;
+
+import java.util.Scanner;
+
+public class Demo4 {
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入一个字符：");
+ String ab= scanner.next();
+
+ if (ab=="A"||ab=="E"|| ab=="I"||ab=="O"||ab=="U"){
+ System.out.println("是大写原音字母");
+ } else {
+ System.out.println("不是大写原音字母");
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d37d88eb34654ef603ff3253f6c1c897ddd535ff
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo5.java"
@@ -0,0 +1,28 @@
+package com.md.lession6;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请用户输入一个字符：");
+ char a = scanner.next().charAt(0);
+ String b = scanner.next();
+ String c = scanner.next();
+ if (a>=60 && a>=90||a>=97 &&a<=122) {
+ System.out.println("该字符是字母");
+ } else {
+ if (b=="b"||b=="p"||b=="f"||b=="m"||b=="d"||b=="t"||b=="n"||b=="l"||b=="g"||b=="k"||b=="h"||b=="j"||b=="q"||b=="x"||b=="r"||b=="z"||b=="c"||b=="s"||b=="y"||b=="w") {
+ System.out.println("该字母是声母");
+ } else if (c=="a" ||c=="o"||c=="e"||c=="i"||c=="u") {
+ System.out.println("该字母是韵母");
+ }else{
+ System.out.println("你输入的字符不是字母");
+ }
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..59ffb4dd93848b3ba558e7acfeaedbe2a80f88dc
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo6.java"
@@ -0,0 +1,23 @@
+package com.md.lession6;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入第一个数：");
+ int a = scanner.nextInt();
+ System.out.println("请输入第二个数：");
+ int b = scanner.nextInt();
+ System.out.println("请输入第三个数：");
+ int c = scanner.nextInt();
+ if (a>b&&a>c&&b>c&&c" + b + ">" + c);
+ } else {
+ System.out.println("判断出错");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo1.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fdd6137e6fa951527d82c24ca63de4bdaee3d4a1
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo1.java"
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.println("请输入小王的性别:");
+ String pw = scanner.next();
+
+ System.out.println("请输入小张的性别:");
+ String pw2 = scanner.next();
+
+ if(pw.equals(pw2)) {
+ System.out.println("男同竟在我身边！！");
+
+ }
+ else {
+ System.out.println("恭喜你们可以结婚了！！");
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo2.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d9b29b670e003af24d19ca36e3478d057ad36f56
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo2.java"
@@ -0,0 +1,27 @@
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner (System.in);
+
+ System.out.println("请输入成绩：");
+ int a =scanner.nextInt();
+
+ if(a == 0 || a >= 100){
+ System.out.println("成绩输入有误，请重新输入!");
+ }
+ if(a <= 60) {
+ System.out.println("C");
+
+ }else if(a <= 80){
+ System.out.println("B");
+
+ }else {
+ System.out.println("A");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo3.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..30128a68ceacf45991937121d4882d240f725f20
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo3.java"
@@ -0,0 +1,40 @@
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请问是否已婚：");
+ String ismarried = scanner.next();
+
+ System.out.println("请输入性别：");
+ String gender = scanner.next();
+
+ System.out.println("请输入年龄：");
+ int age = scanner.nextInt();
+
+ if (ismarried.equals("Y")) {
+ System.out.println("可买");
+
+ }else {
+ if(gender.equals("男") ){
+ if( age >= 25){
+ System.out.println("可买");
+
+ }else {
+ System.out.println("不可买");
+ }
+ }else {
+ if( age >= 22) {
+ System.out.println("可买");
+
+ }else {
+ System.out.println("不可买");
+ }
+ }
+
+ }
+ }
+ }
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo4.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f10a8e0b06efe357c29199405605f63505020b82
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo4.java"
@@ -0,0 +1,34 @@
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+Scanner scan =new Scanner(System.in);
+
+ System.out.println("输入字符");
+ char a = scan.next().charAt(0);
+
+ int $ =a;
+
+
+
+
+ if($>=97&&$<=122 || $>=65&&$<=90) {
+ System.out.println("是字母");
+ if(a=='a'|a=='e'|a=='r'|a=='o'|a=='u') {
+ System.out.println("是韵母");}
+ else {
+ System.out.println("是声母");
+ }
+ if($>=65 & $<=90) {
+ System.out.println("是大写");
+ }else{
+ System.out.println("是小写");
+ }
+ }else
+ System.out.println("不是字母");
+ }
+ }
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5b78f7be563bbbfe4008cd02cf73d2261e68d6f7
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo5.java"
@@ -0,0 +1,29 @@
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner (System.in);
+ System.out.println("请输入字符");
+ char a = scanner.next().charAt(0);
+
+ int num = a;
+
+ if(num >= 65 && num <= 90|| num >= 97&& num <= 122 ) {
+ System.out.println("是字母");
+ }if( a == 'a' && a == 'e' && a == 'i'&& a == 'o'&& a == 'u'
+ && a == 'v' ){
+ System.out.println("是韵母");
+ }else {
+ System.out.println("是声母");
+ }if(num >= 65 & num <= 90) {
+ System.out.println("是大写");
+ }else {
+ System.out.println("是小写");
+ }
+ }
+
+ }
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..58149ca878830dc65190419fe9170b7e138c82fe
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo6.java"
@@ -0,0 +1,10 @@
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo7.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..13427e8c6ca7501fc27f24215ca9cc41c4f7ca0b
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo7.java"
@@ -0,0 +1,43 @@
+import java.util.Scanner;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner (System.in);
+
+ System.out.println("请输入第一个数");
+ int num1 = scanner.nextInt();
+ System.out.println("请输入第二个数");
+ int num2 = scanner.nextInt();
+ System.out.println("请输入第三个数");
+ int num3 = scanner.nextInt();
+
+ if(num1>=num2){
+ if(num2>=num3){
+ System.out.println(num1+ ">"+num2+">"+num3);
+
+ }else {
+ if(num1>=num3) {
+ System.out.println(num1+ ">"+num3+">"+num2);
+ }else{
+ System.out.println(num3+ ">"+num1+">"+num2);
+ }}
+ //2>1
+ }else {
+ if(num3>=num1){
+ if(num3>=num2) {
+ System.out.println(num3+ ">"+num2+">"+num1);
+ }else {
+ System.out.println(num2+ ">"+num3+">"+num1);
+ }
+ //1>3
+ }else {
+ System.out.println(num2+ ">"+num1+">"+num3);
+ }
+
+
+ }
+
+}
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo8.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8fe86b9d722c973a4eb15d54d1332de53a84f577
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Demo8.java"
@@ -0,0 +1,28 @@
+import java.util.Scanner;
+
+public class Demo8 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请用户输入网购金额");
+ float a = scanner.nextFloat();
+
+ if(a >= 100&&a <=500) {
+ System.out.println("九折");
+ }
+
+ if (a >=500&& a <= 1000){
+ System.out.println("八点五折");
+ }
+
+ if(a >=1000&&a <=5000) {
+ System.out.println("八折");
+ }
+ if(a <= 100) {
+ System.out.println("无折扣");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/\345\210\244\346\226\255\345\244\247\345\260\217\351\241\272\345\272\217.txt" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/\345\210\244\346\226\255\345\244\247\345\260\217\351\241\272\345\272\217.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..45c36ba7387878cdf14632d77e743ad97b465139
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/\345\210\244\346\226\255\345\244\247\345\260\217\351\241\272\345\272\217.txt"
@@ -0,0 +1,3 @@
+输入3个数,按大小输出这3个数
+（例如：用户输入的是：10 5 20 ，排序后为：5 10 20）
+（备注：只能使用三个变量，而且只能使用if的嵌套）
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/\346\211\223\346\212\230.txt" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/\346\211\223\346\212\230.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..e43b1a5a11922ed01c8619ed54a78082c261be5b
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/\346\211\223\346\212\230.txt"
@@ -0,0 +1,5 @@
+请用户输入网购金额，不同金额有不同的折扣率，编写程序自动显示出打折后的客户应付金额。折扣公式如下
+0~100元，无折扣。
+100~500元，九折。
+500~1000元，八点五折。
+1000~5000元，八折。
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/BX.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/BX.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b32cc95f4f9cd9bb2246910773ebf2e4e979e5db
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/BX.java"
@@ -0,0 +1,26 @@
+import java.util.Scanner;
+
+public class BX {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 某公司即将为员工买保险， 要求如下： 已婚的男、 女性都可以买保险，
+// 未婚男性25岁以下不提供保险， 25岁以上（包括） 提供保险， 未婚女性22岁以下不提供保险，
+// 22岁以上（包括） 提供保险， 请用程序实现以上功能，接受员工的信息，
+// 显示公司是否为他提供保险（已未婚用Y和N表示， 性别用男和女表示）
+ Scanner scan=new Scanner(System.in);
+ System.out.println("是否已婚");
+ String isMar=scan.next();
+ System.out.println("请输入你的性别");
+ String sex=scan.next();
+ System.out.println("请输入你的年龄");
+ int age=scan.nextInt();
+ if(isMar.equals("Y")||sex.equals("男")&age>=25||sex.equals("女")&age>=22) {
+ System.out.println("给你买保险");
+ }
+ else {
+ System.out.println("不给你买保险");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/CJ.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/CJ.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1f249681c6808d7e596c86e45c3ff2b68f2871a2
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/CJ.java"
@@ -0,0 +1,30 @@
+import java.util.Scanner;
+
+public class CJ {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 用A,B,C等级对学生的的成绩分类, 其中
+// 0 - 60(不包含)是C,
+// 60（包含） – 80（包含）是B,
+// 81（包含） – 100 （包含）是A等级。
+// 请用代码实现如下功能：由用户输入同学的分数，自动显示该同学所属的等级；
+// 若输入分数校友0或者大于100，则显示“成绩输入有误，请重新输入”。
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入你的成绩");
+ double a=scan.nextDouble();
+ if(a>100|a<0) {
+ System.out.println("成绩输入有误，请重新输入");
+ }
+ else if(a>=81) {
+ System.out.println("你的成绩为A");
+ }
+ else if(a>=60) {
+ System.out.println("你的成绩为B");
+ }
+ else {
+ System.out.println("你的成绩为C");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/DX.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/DX.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7537728f2607e07db1a702ac2964ded5f53ad6c0
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/DX.java"
@@ -0,0 +1,44 @@
+import java.util.Scanner;
+
+public class DX {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 输入3个数,按大小输出这3个数（例如：用户输入的是：10 5 20 ，
+// 排序后为：5 10 20）（备注：只能使用三个变量，而且只能使用if的嵌套）
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入第一个数");
+ int a=scan.nextInt();
+ System.out.println("请输入第二个数");
+ int b=scan.nextInt();
+ System.out.println("请输入第三个数");
+ int c=scan.nextInt();
+ if (a>b) {
+ if(b>c) {
+ System.out.print(a+" ");
+ System.out.print(b+" ");
+ System.out.print(c);
+ }
+ else if(a>c){
+ System.out.print(a+" ");
+ System.out.print(c+" ");
+ System.out.print(b);
+ }
+ else {
+ System.out.print(c+" ");
+ System.out.print(a+" ");
+ System.out.print(b);
+ }
+ } else if(a>c){
+ System.out.print(b+" ");
+ System.out.print(a+" ");
+ System.out.print(c);
+ }
+ else {
+ System.out.print(b+" ");
+ System.out.print(c+" ");
+ System.out.println(a);
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/DZ.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/DZ.java"
new file mode 100644
index 0000000000000000000000000000000000000000..467800d2b04eacd598d9a784f1fd32b3851e3935
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/DZ.java"
@@ -0,0 +1,33 @@
+import java.util.Scanner;
+
+public class DZ {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 请用户输入网购金额，不同金额有不同的折扣率，编写程序自动显示出打折后的客户应付金额。折扣公式如下
+// 0~100元，无折扣。
+// 100~500元，九折。
+// 500~1000元，八点五折。
+// 1000~5000元，八折。
+ Scanner scan=new Scanner(System.in);
+ double a;
+ System.out.println("请输入你消费的金额");
+ a=scan.nextDouble();
+ if(a>=1000&a<=5000){
+ a=a*0.8;
+ System.out.println("你应付"+a);
+ }
+ else if(a>=500){
+ a=a*0.85;
+ System.out.println("你应付"+a);
+ }
+ else if(a>=100){
+ a=a*0.9;
+ System.out.println("你应付"+a);
+ }
+ else {
+ System.out.println("你应付"+a);
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/JH.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/JH.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2bd473c70446e667234e11fe114498a5ab30b213
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/JH.java"
@@ -0,0 +1,22 @@
+import java.util.Scanner;
+
+public class JH {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 请用户输入小王和小张的性别，如果两个人都是男生，或者都是女生，则输出“对不起，你们不能结婚”，
+// 如果他们一个是男生，一个是女生，则输出“恭喜，你们可以结婚”。
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入你的性别");
+ String gender1=scan.next();
+ System.out.println("请输入你对象的性别");
+ String gender2=scan.next();
+ if(gender1.equals(gender2)){
+ System.out.println("对不起，你们不能结婚");
+ }
+ else {
+ System.out.println("恭喜，你们可以结婚");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/YY.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/YY.java"
new file mode 100644
index 0000000000000000000000000000000000000000..73aecc6594eace56a35f6de1b3e92b99446a7b04
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/YY.java"
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+
+public class YY {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 判断用户输入的某个字符是不是大写元音字母， 大写元音字母是A E I O U
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入一个字母");
+ String a=scan.next();
+ if(a.equals("A")||a.equals("E")||a.equals("I")||a.equals("O")||a.equals("U")) {
+ System.out.println("是大写元音字母");
+ }
+ else {
+ System.out.println("不是大写元音字母");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/ZM.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/ZM.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fca3325925c323ae8d5d958d9c2244e6ecbf7c7c
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/ZM.java"
@@ -0,0 +1,32 @@
+import java.util.Scanner;
+
+public class ZM {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 编写一个程序，根据用户输入的一个字符，判断该字符是不是字母，如果是字母，
+// 判断该字母是声母还是韵母，是大写字母还是小写字母，如果不是字母，则输出“你输入的字符不是字母”
+// 一个字母的声母有:b、p、m、f、d、t、n、l、g、k、h、j、q、x、r、z、c、s、y、w。
+// 一个字母的韵母有: a、o、e、i、u、v。
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入一个字符");
+ char a=scan.next().charAt(0);
+ int b=a;
+ if(b>=97&b<=122){
+ System.out.println("你输入的字符是小写字母");
+ if(b=='a'|| b=='e'|| b=='i'|| b=='o'|| b=='u'){
+ System.out.println("你输入的字符是韵母");
+ }
+ else if(b=='b'|| b=='p'|| b=='m' || b=='f'|| b=='d'||
+ b=='t'|| b=='n'|| b=='l' || b=='g'|| b=='k'||
+ b=='j'|| b=='q'|| b=='x'|| b=='r'|| b=='z'||
+ b=='c'|| b=='s'|| b=='y'||b=='w'){
+ System.out.println("你输入的字符是声母");
+ }
+ }
+ if(b>=60&b<=90) {
+ System.out.println("你输入的字符是大写字母");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/fdskl.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/fdskl.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6e6a315d7cda11d6ef551cc4340c075870c33a62
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/fdskl.java"
@@ -0,0 +1,7 @@
+
+public class fdskl {
+ public static void main(String[] args) {
+ char a='男';
+ System.out.println(a);
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Baoxian.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Baoxian.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a7bb8453e575be21aa97989d8e938f7bb4b4bf62
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Baoxian.java"
@@ -0,0 +1,39 @@
+package lesson5;
+
+import java.util.Scanner;
+
+public class Baoxian {
+
+ public static void main(String[] args) {
+ Scanner bao = new Scanner(System.in);
+
+ System.out.println("请输入婚否：");
+ String marry = bao.next();
+ System.out.println("请输入性别：");
+ String sex = bao.next();
+ System.out.println("请输入年龄：");
+ int age = bao.nextInt();
+
+ if (marry.equals("Y")) {
+ System.out.println("买保险");
+ } else {//没有结婚
+ if (sex.equals("男")) {//男的
+ if (age>=25) {//年龄25以上的
+ System.out.println("买保险");
+ } else {//没有结婚 男的 年龄25以下
+ System.out.println("不买保险");
+ }
+ }else {//没有结婚 女的
+ if(sex.equals("女")) {//女的
+ if(age>=22) {//年龄22以上的
+ System.out.println("买保险");
+ }
+ else {//没有结婚 女的 年龄22以下
+ System.out.println("不买保险");
+ }
+ }
+ }
+
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Daxiao.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Daxiao.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3f03067af827a3db0b57932fffc0092b8792a4f7
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Daxiao.java"
@@ -0,0 +1,27 @@
+package lesson5;
+
+import java.util.Scanner;
+
+public class Daxiao {
+
+ public static void main(String[] args) {
+ Scanner d1=new Scanner(System.in);
+ Scanner d2=new Scanner(System.in);
+ Scanner d3=new Scanner(System.in);
+
+ System.out.println("请输入第一个数值：");
+ int q1=d1.nextInt();
+ System.out.println("请输入第二个数值：");
+ int q2=d2.nextInt();
+ System.out.println("请输入第三个数值：");
+ int q3=d3.nextInt();
+
+ if(q1<=q2&&q2<=q3){
+ System.out.println(q1+"<"+q2+"<"+q3);
+ }else{
+ if(q2<=q1&&q1<=q3) {
+ System.out.println(q2+"<"+q1+"<"+q3);}else if(q3<=q2&&q2<=q1) {
+ System.out.println(q3+"<"+q2+"<"+q1);}else if(q1<=q3&&q3<=q2) {
+ System.out.println(q1+"<"+q3+"<"+q2);}else if(q3<=q1&&q1<=q2) {
+ System.out.println(q3+"<"+q1+"<"+q2);}else if(q3<=q2&&q2<=q1) {
+ System.out.println(q3+"<"+q2+"<"+q1);}}}}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Dazhe.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Dazhe.java"
new file mode 100644
index 0000000000000000000000000000000000000000..aa2c9a65c41a8300b0994a75698c8a0c316b1dc2
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Dazhe.java"
@@ -0,0 +1,28 @@
+package lesson5;
+
+import java.util.Scanner;
+
+public class Dazhe {
+
+ public static void main(String[] args) {
+ Scanner yuan=new Scanner(System.in);
+
+ System.out.println("请输入网购金额：");
+ double dz=yuan.nextDouble();
+
+
+ if(dz<=5000&&dz>=1000) {
+ System.out.println("打八折 折后价："+dz*0.8);
+ }else {
+ if(dz<=100&&dz>=0){
+ System.out.println("无折扣");
+ }
+ else if(dz<=500&&dz>=100) {
+ System.out.println("打九折 折后价："+dz*0.9);
+ }
+ else if(dz<=1000&&dz>=500) {
+ System.out.println("打八点五折 折后价："+dz*0.85);
+ }
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Jiehun.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Jiehun.java"
new file mode 100644
index 0000000000000000000000000000000000000000..287ab2aa876051faa773a68e6e3e46f9305f797c
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Jiehun.java"
@@ -0,0 +1,24 @@
+package lesson5;
+
+import java.util.Scanner;
+
+public class Jiehun {
+
+ public static void main(String[] args) {
+ Scanner jh=new Scanner(System.in);
+
+ System.out.println("请输入小王的性别：");
+ String sex1=jh.next();
+
+ System.out.println("请输入小张的性别：");
+ String sex2=jh.next();
+
+ if(sex1.equals(sex2)) {
+ System.out.println("不好意思结婚失败。");
+ }else {
+ System.out.println("恭喜你们喜结连理！！");
+ }
+ }
+}
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Yeji.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Yeji.java"
new file mode 100644
index 0000000000000000000000000000000000000000..612a146990059f9689e5f5bf13473ed719394043
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Yeji.java"
@@ -0,0 +1,29 @@
+package lesson5;
+
+import java.util.Scanner;
+
+public class Yeji {
+
+ public static void main(String[] args) {
+ Scanner yj=new Scanner(System.in);
+
+ System.out.println("请输入学生成绩");
+ int cj=yj.nextInt();
+
+
+ if(80>=cj && cj>60) {
+ System.out.println("B");
+ }
+ else if(60>=cj&&cj>=0) {
+ System.out.println("C");
+ }
+ else if(100>=cj&&cj>=81) {
+ System.out.println("A");
+ }
+ if(cj>=100) {
+ System.out.println("成绩输入有误，请重新输入");
+ }
+ }
+ }
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Yuanying.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Yuanying.java"
new file mode 100644
index 0000000000000000000000000000000000000000..31714ee2ae2f08b839e3fd9762a3386ff30e33f6
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Yuanying.java"
@@ -0,0 +1,20 @@
+package lesson5;
+
+import java.util.Scanner;
+
+public class Yuanying {
+
+ public static void main(String[] args) {
+ Scanner yuan=new Scanner(System.in);
+
+ System.out.println("请输入一个字母：");
+ char zimu=yuan.next().charAt(0);
+
+ if(zimu=='A'||zimu=='E'||zimu=='I'||zimu=='O'||zimu=='U'){
+ System.out.println("是大写元音字母");}else{
+ System.out.println("不是大写元音字母");
+ }
+ }
+}
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Zimu.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Zimu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a8b91c6d7d5e7b78e7a471343a37552d599f884a
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Zimu.java"
@@ -0,0 +1,28 @@
+package lesson5;
+
+import java.util.Scanner;
+
+public class Zimu {
+
+ public static void main(String[] args) {
+ Scanner yuan=new Scanner(System.in);
+
+ System.out.println("请输入一个字符：");
+ char zimu=yuan.next().charAt(0);
+
+ if(zimu=='b'||zimu=='p'||zimu=='m'||zimu=='f'||zimu=='d'||zimu=='t'||zimu=='n'||zimu=='l'||zimu=='g'||zimu=='k'||zimu=='h'||zimu=='j'||zimu=='q'||zimu=='x'||zimu=='r'||zimu=='z'||zimu=='c'||zimu=='s'||zimu=='y'||zimu=='w') {
+ System.out.println("这是字母，是字母中的声母，是小写字母");
+ }else{
+ if(zimu=='B'||zimu=='P'||zimu=='M'||zimu=='F'||zimu=='D'||zimu=='T'||zimu=='N'||zimu=='L'||zimu=='G'||zimu=='K'||zimu=='H'||zimu=='J'||zimu=='Q'||zimu=='X'||zimu=='R'||zimu=='Z'||zimu=='C'||zimu=='S'||zimu=='Y'||zimu=='W') {
+ System.out.println("这是字母，是字母中的声母，是大写字母");}else if(zimu=='a'||zimu=='o'||zimu=='e'||zimu=='i'||zimu=='u'||zimu=='v') {
+ System.out.println("这是字母，是字母中的韵母，是小写字母");}else if(zimu=='a'||zimu=='o'||zimu=='e'||zimu=='i'||zimu=='u'||zimu=='v') {
+ System.out.println("这是字母，是字母中的韵母，是大写字母");}else{
+ System.out.println("你输入的字符不是字母");
+ }
+ }
+ }
+}
+
+
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Baoxian.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Baoxian.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d4b95394e5c4d4a7a813f6b4f44e3937c6ca4c04
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Baoxian.java"
@@ -0,0 +1,35 @@
+package Zuoye;
+
+import java.util.Scanner;
+
+public class Baoxian {
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入员工婚否请输入y或n");
+ String a=scanner.next();
+
+ System.out.println("请输入员工年龄");
+ int b=scanner.nextInt();
+ System.out.println("请输入员工性别");
+ char c=scanner.next().charAt(0);
+
+ if (a.equals("y")) {
+ System.out.println("买保险");
+ }if (a.equals("n"))
+
+
+ if(b>=25&& c=='男') {
+ System.out.println("买保险");
+ }
+ else if(b>=22 && c=='女' ) {
+ System.out.println("买保险");
+
+ }else{
+ System.out.println("不买保险");
+
+
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Chengji.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Chengji.java"
new file mode 100644
index 0000000000000000000000000000000000000000..da3e5e9faf90eff9e4e0ed0fe5e3dc283a5547ea
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Chengji.java"
@@ -0,0 +1,40 @@
+package Zuoye;
+
+import java.util.Scanner;
+
+public class Chengji {
+
+ public static void main(String[] args) {
+ /*用A,B,C等级对学生的的成绩分类, 其中
+0 - 60(不包含)是C,
+60（包含） – 80（包含）是B,
+81（包含） – 100 （包含）是A等级。
+请用代码实现如下功能：由用户输入同学的分数，自动显示该同学所属的等级；若输入分数校友0或者大于100，则显示“成绩输入有误，请重新输入”。
+
+请忽略分数小数情况。
+ */
+ Scanner scanner=new Scanner (System.in);
+ System.out.println("请输入成绩：");
+ int chenji=scanner.nextInt();
+ if (chenji>0 && chenji<60) {
+ System.out.println("该学生等级为c级");
+
+
+ }else if (chenji>=60 && chenji<=80) {
+ System.out.println("该学生等级为b级");
+
+ }else if (chenji>=81 && chenji<=100) {
+ System.out.println("该学生等级为a级");
+ }else {
+ System.out.println("成绩输入有误，请重新输入");
+
+ }
+
+
+ }
+
+
+
+ }
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Daxiaoshunxu.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Daxiaoshunxu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d6e0f45e48be2fa48e60a6fe9fee94740fb8e1ff
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Daxiaoshunxu.java"
@@ -0,0 +1,36 @@
+package Zuoye;
+
+import java.util.Scanner;
+
+public class Daxiaoshunxu {
+ public static void main(String[] args) {
+// 输入3个数,按大小输出这3个数（例如：用户输入的是：10 5 20 ，排序后为：5 10 20）
+// （备注：只能使用三个变量，而且只能使用if的嵌套）
+ Scanner scanner=new Scanner (System.in);
+ System.out.println("请输入第一位数");
+ int a=scanner.nextInt();
+ System.out.println("请输入第二位数");
+ int b=scanner.nextInt();
+ System.out.println("请输入第三位数");
+ int c=scanner.nextInt();
+ if (a>b&&b>c) {
+ System.out.println(a+">"+b+">"+c);
+ }else if (a>c&&c>b) {
+ System.out.println(a+">"+c+">"+b);
+ }else if (b>a&&a>c) {
+ System.out.println(b+">"+a+">"+c);
+ }else if (b>c&&c>a) {
+ System.out.println(b+">"+c+">"+a);
+ }else if (c>a&&a>b) {
+ System.out.println(c+">"+a+">"+b);
+ }else if (c>b&&b>a) {
+ System.out.println(c+">"+b+">"+a);
+
+
+
+
+ }
+ }
+}
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Dazhe.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Dazhe.java"
new file mode 100644
index 0000000000000000000000000000000000000000..900ec9870125210f90632d7a9896901803770ae1
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Dazhe.java"
@@ -0,0 +1,29 @@
+package Zuoye;
+
+import java.util.Scanner;
+
+public class Dazhe {
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner (System.in);
+ System.out.println("请输入网购金额：");
+ int jine=scanner.nextInt();
+ if (jine>0 && jine<100) {
+ System.out.println("无折扣");
+ }else if (jine>=100 && jine<500) {
+ System.out.println("九折打完折后的价格为"+jine*0.9);
+
+ }else if (jine>=500 && jine<1000) {
+ System.out.println("八点五折，打完折后的价格为"+ jine*0.85);
+ }else if (jine>=1000 && jine<5000) {
+ System.out.println("八折打完折后的价格为"+jine*0.8);
+ }else{
+ System.out.println("超出5000元");
+
+
+
+
+
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Jiehun.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Jiehun.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6def16ddb98eddf52a7c100200130ed12976ed89
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Jiehun.java"
@@ -0,0 +1,24 @@
+package Zuoye;
+
+import java.util.Scanner;
+
+public class Jiehun {
+ public static void main(String[] args) {
+ //请用户输入小王和小张的性别，如果两个人都是男生，或者都是女生，
+ //则输出“对不起，你们不能结婚”，如果他们一个是男生，一个是女生，则输出“恭喜，你们可以结婚”。
+ Scanner scanner=new Scanner (System.in);
+ System.out.println("请输入小王的性别");
+ String sex1=scanner.next();
+ System.out.println("请输入小张的性别");
+ String sex2=scanner.next();
+
+ if (sex1.equals('男')&&sex1.equals('女')||sex1.equals('女')&&sex1.equals('男')){
+ System.out.println("恭喜你们可以结婚");
+
+ }else {
+ System.out.println("对不起，你们不能结婚");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Panduanyuanying.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Panduanyuanying.java"
new file mode 100644
index 0000000000000000000000000000000000000000..94fe0723cdd012216c00c4fe442111b3c93e0466
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Panduanyuanying.java"
@@ -0,0 +1,23 @@
+package Zuoye;
+
+import java.util.Scanner;
+
+public class Panduanyuanying {
+
+ public static void main(String[] args) {
+ // 判断用户输入的某个字符是不是大写元音字母， 大写元音字母是A E I O U
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入一个字符");
+ char ch=scanner.next().charAt(0);
+ if (ch=='A' ||ch=='E' ||ch=='I'||ch=='O'||ch=='U'){
+ System.out.println("这是个大写元音字母"+ch);
+ }else {
+ System.out.println("请重新输入");
+
+
+
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Panduanzimu.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Panduanzimu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..54786d25c77fc59c73f1d460772f771ca35b3651
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Panduanzimu.java"
@@ -0,0 +1,36 @@
+package Zuoye;
+
+import java.util.Scanner;
+
+public class Panduanzimu {
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner (System.in);
+ System.out.println("请输入一个字符");
+ char ah=scanner.next().charAt(0);
+
+ int i=ah;
+ i= (int)ah;
+ if(i>=65 && i<=90){
+ System.out.println("是大写字母");
+ }else if(i>=97 && i<=122){
+ System.out.println("是小写字母");
+ }else {
+ System.out.println("你输入的字符不是一个字母");
+ }
+ if (ah=='a'||ah=='o'||ah=='e'||ah=='i'||ah=='u'||ah=='v'||ah=='A'||ah=='O'||ah=='E'||ah=='I'||ah=='U'||ah=='V')
+ System.out.println("是韵母");
+ else
+ System.out.println("是声母");
+
+
+
+
+
+
+
+
+
+ System.out.println(i);
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo1.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..380277bb94eac03ddfd3caf7d1504a979f9db55d
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo1.java"
@@ -0,0 +1,20 @@
+package class4;
+
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入小王的性别:");
+ String X1 = scanner.next();
+ System.out.println("请输入小李的性别：");
+ String X2 = scanner.next();
+
+ if(X1.equals(X2) == true) {
+ System.out.println("对不起，你们不能结婚。");
+ }else {System.out.println("恭喜，你们可以结婚。");}
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo2.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5574b99c6759d7b347c37164c2fda67218233048
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo2.java"
@@ -0,0 +1,26 @@
+package class4;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入您的成绩:");
+ int X = scanner.nextInt();
+
+ if(X< 0 || X >100) {
+ System.out.println("请输入正确的分数");
+ }
+ else if(X < 60) {
+ System.out.println("您的等级为C");
+ }
+ else if(X < 81) {
+ System.out.println("您的等级为B");
+ }
+ else if(X <= 100){
+ System.out.println("您的等级为A");
+
+ }
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo3.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2fb81eb4567aead09a5ef40207e681b7741a348c
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo3.java"
@@ -0,0 +1,28 @@
+package class4;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入一个字母:");
+ String X = scanner.next();
+
+ if(X.equals("A")){
+ System.out.println("您输入的字母为大写元音字母");
+ }else if(X.equals("E")){
+ System.out.println("您输入的字母为大写元音字母");
+ }else if(X.equals("I")){
+ System.out.println("您输入的字母为大写元音字母");
+ }else if(X.equals("O")){
+ System.out.println("您输入的字母为大写元音字母");
+ }else if(X.equals("U")){
+ System.out.println("您输入的字母为大写元音字母");
+ }else {
+ System.out.println("您输入的字母不是大写元音字母");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..865d0d1862d8ea822a564d2765f150714746b5cb
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo5.java"
@@ -0,0 +1,40 @@
+package class4;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("您是否结婚:");
+ String JH = scanner.next();
+
+ System.out.println("请输入您的性别:");
+ String sex = scanner.next();
+
+ System.out.println("请输入您的年龄:");
+ int x = scanner.nextInt();
+
+ if(JH.equals("是")==true) {
+ System.out.println("您可以领取公司赠送的保险");
+ }else {
+ if(sex.equals("女")) {
+ if(x >= 22) {
+ System.out.println("您可以领取公司赠送的保险");
+ }else {
+ System.out.println("您未达到参加活动的资格");
+ }
+ }
+ if(sex.equals("男")) {
+ if(x >= 25) {
+ System.out.println("您可以领取公司赠送的保险");
+ }else {
+ System.out.println("您未达到参加活动的资格");
+ }
+ }
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5a7cf9b039d86024992fabbd8038f953e009c545
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo6.java"
@@ -0,0 +1,33 @@
+package class4;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入一个字母");
+ char X = scanner.next().charAt(0);
+ int Y = X;
+
+ if(Y>=65&&Y<=90||Y>=97&&Y<=122) {
+ //是字母
+ if(Y>=97&&Y<=122) {
+ System.out.println("您输入的字母为小写字母");
+ if(X=='a'||X=='o'||X=='e'||X=='i'||X=='u'||X=='v'||
+ X=='A'||X=='O'||X=='E'||X=='I'||X=='U'||X=='V') {
+ System.out.println("您输入的字母为韵母");
+ }else {System.out.println("您输入的字母为生母");}
+ }
+ if(Y>=65&&Y<=90) {
+ System.out.println("您输入的字母为大写字母");
+ if(X=='a'||X=='o'||X=='e'||X=='i'||X=='u'||X=='v'||
+ X=='A'||X=='O'||X=='E'||X=='I'||X=='U'||X=='V') {
+ System.out.println("您输入的字母为韵母");
+ }else {System.out.println("您输入的字母为生母");}
+ }
+ }else {System.out.println("您输入的不是字母");}
+
+
+ }
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo7.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cdbdd5202581f439b5c26f0f35e9fad2157132f8
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo7.java"
@@ -0,0 +1,24 @@
+package class1111;
+
+import java.util.Scanner;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入您的购物金额：");
+ double X = scanner.nextDouble();
+
+ if(X>0&&X<100) {
+ System.out.println(X+"元");
+ }else if(X>100&&X<=500) {
+ System.out.println((double)(X*0.9)+"元");
+ }else if(X>500&&X<=1000) {
+ System.out.println((double)(X*0.85)+"元");
+ }else if(X>1000&&X<=5000) {
+ System.out.println((X*0.8)+"元");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo8.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo8.java"
new file mode 100644
index 0000000000000000000000000000000000000000..df5d4a22c91c68ec769d5374540d35247190e651
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/12.28+Demo8.java"
@@ -0,0 +1,32 @@
+package class1111;
+
+import java.util.Scanner;
+
+public class Demo8 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入第一个数字：");
+ int x =scanner.nextInt();
+ System.out.println("请输入第二个数字：");
+ int y =scanner.nextInt();
+ System.out.println("请输入第三个数字：");
+ int z =scanner.nextInt();
+ int X;
+ int Y;
+ int Z;
+
+ X=x>y?x:y;
+ X=X>z?X:z;
+
+ Z=x"+Y+">"+Z);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/BANDUANZM.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/BANDUANZM.java"
new file mode 100644
index 0000000000000000000000000000000000000000..11cac8258af441e5548f98edd969da0fafcb2d46
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/BANDUANZM.java"
@@ -0,0 +1,29 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class BANDUANZM {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入字母：");
+ char a = scanner.next().charAt(0);
+
+ if(a>=65 && a<=90 || a>=97 && a<=122){
+ System.out.println("是字母");
+ }else {
+ System.out.println("你输入的字符不是字母");
+ return;}
+ if(a>=65 && a<=90) {
+ System.out.println("是大写字母");
+ }else {
+ System.out.println("是小写字母");
+ }if(a==65 || a==97 || a==79 || a==111|| a==69 || a==101 || a==73 || a==105 || a==85 || a==117 || a==86 || a==118)
+ {System.out.println("是韵母");
+
+ }else {
+ System.out.println("是声母");}
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/BAOxian.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/BAOxian.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8f779abcbfa5704e7efb0f89c58e239ccbdc91a5
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/BAOxian.java"
@@ -0,0 +1,32 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class BAOxian {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+Scanner scanner = new Scanner(System.in);
+System.out.println("是否结婚，请输入Y或者N");
+String marry=scanner.next();
+if(marry.equals('Y')) {System.out.println("公司为你提供保险");}
+else {System.out.println("请你输入性别");
+String sex=scanner.next();
+if(sex.equals('男')){System.out.println("请你输入年龄");int age=scanner.nextInt();
+if(age>=25) {System.out.println("公司为你提供保险");}else {System.out.println("公司不能为你提供保险");}
+}else {if(sex.equals('女')) {System.out.println("请你输入年龄");int age=scanner.nextInt();}
+else{System.out.println("公司不能为你提供保险");}}
+
+
+
+
+
+
+
+
+
+
+}
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/BanduanY.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/BanduanY.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3df393c92961a73671187575d42aa68fe08192ca
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/BanduanY.java"
@@ -0,0 +1,20 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class BanduanY {
+
+ public static void main(String[] args) {
+Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入字符");
+ String a = scan.next();
+ if(a.equals("A")||a.equals("E")||a.equals("I")||a.equals("O")||a.equals("U"))
+ {
+ System.out.println("是大写元音字母");
+ }else {
+ System.out.println("不是大写元音字母");
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Bduandaxiao.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Bduandaxiao.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0651df83c7a4295fe52da64d2a1b0f1d17b0a9c5
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Bduandaxiao.java"
@@ -0,0 +1,43 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class Bduandaxiao {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入第一个数字");
+ int a = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ int b = scan.nextInt();
+ System.out.println("请输入第三个数字");
+ int c = scan.nextInt();
+
+ if(a>b){
+ if(b>c) {
+ System.out.println(a+">"+b+">"+c);
+ }else {if(a>c) {
+ System.out.println(a+">"+c+">"+b);
+ }else {System.out.println(c+">"+a+">"+b);}
+ }
+ }else {if(b>c) {
+ if(a>c) {
+ System.out.println(b+">"+a+">"+c);
+ }else {
+ System.out.println(b+">"+c+">"+a);
+ }
+ }else {
+ System.out.println(c+">"+b+">"+a);
+ }
+ }
+
+ }
+
+
+
+
+ }
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/DAzhe.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/DAzhe.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a7e08971e5a5ba2892b69ea33ced2da342a486fc
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/DAzhe.java"
@@ -0,0 +1,26 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class DAzhe {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+Scanner scanner=new Scanner(System.in);
+System.out.println("请输入网购金额");
+int a=scanner.nextInt();
+if(a<0||a>5000) {System.out.println("重新输入金额");}
+else {if(a>0&&a<=100) {System.out.println("无折扣");}
+else if(a>100&&a<=500) {System.out.println("九折");}
+else if(a>500&&a<=1000) {System.out.println("八点五折");}
+else if(a>1000&&a<=5000) {System.out.println("八折");}
+
+
+
+}
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/JIEHUN.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/JIEHUN.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d6450ddf1e2cd87c59c5b75ab0f68ad5a55d2e3b
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/JIEHUN.java"
@@ -0,0 +1,32 @@
+package 杨丰豪;
+
+import java.util.Scanner;
+
+public class JIEHUN {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+String sex1;
+String sex2;
+
+Scanner scanner = new Scanner(System.in);
+System.out.println("请输入李李的性别");
+sex1=scanner.next();
+System.out.println("请输入坤坤的性别");
+sex2=scanner.next();
+
+if(sex1.equals(sex2)) {System.out.println("对不起，你们不能结婚");}
+else {
+System.out.println("一个是男生，一个是女生，则输出恭喜，你们可以结婚");
+
+
+
+}
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Stude.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Stude.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d36119a59885cca9cce28436008d8b951cee5eb8
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Stude.java"
@@ -0,0 +1,26 @@
+package 杨丰豪;
+
+import java.util.Scanner;
+
+public class Stude {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+int a;
+
+Scanner scanner =new Scanner(System.in);
+System.out.println("请同学输入你的成绩：");
+a=scanner.nextInt();
+
+if(a<0 || a>100) {System.out.println("成绩输入有误，请重新输入");}
+else if(a>=81 && a<=100){System.out.println("你的成绩是A等级");}
+else if(a>=60 && a<=80) {System.out.println("你的成绩是B等级");}
+else if(a<60) {System.out.println("你的成绩是C等级");}
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo.java"
new file mode 100644
index 0000000000000000000000000000000000000000..04774807420a03994f382868bf5ffba94074d7f7
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo.java"
@@ -0,0 +1,29 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ String gender1;
+ String gender2;
+
+ Scanner scan =new Scanner(System.in);
+
+ System.out.println("请输入小张的性别");
+ gender1=scan.next();
+
+ System.out.println("请输入小李的性别");
+ gender2=scan.next();
+
+ if(gender1.equals(gender2)){
+ System.out.println("你们不能结婚");
+ }else {
+ System.out.println("你们可以结婚");
+ }
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo2.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..486712920eabca0bca0ec56e280ed077526e0f08
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo2.java"
@@ -0,0 +1,39 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan =new Scanner(System.in);
+
+ int num;
+
+ System.out.println("请输入一个字符");
+ char letter =scan.next().charAt(0);
+ num =letter;
+ if (num >= 65&& num<=90||num >=97&&num <=122) {
+ if(num >= 65&& num<=90) {
+ if(num==65||num==69||num==73||num==79||num==85||num==86) {
+ System.out.println("是大写韵母");
+ }else {
+ System.out.println("是大写声母");
+ }
+ }else {
+ if(num==97||num==101||num==105||num==111||num==117||num==118){
+ System.out.println("是小写韵母");
+ }else {
+ System.out.println("是小写声母");
+ }
+ }
+ } else {
+ System.out.println("不是字母");
+ }
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo3.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..88fa2de7aa8537534185c27be38b1231d69cd9db
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo3.java"
@@ -0,0 +1,48 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ Scanner scan=new Scanner(System.in);
+
+ System.out.println("请输入第一个数字");
+ int a =scan.nextInt();
+
+ System.out.println("请输入第二个数字");
+ int b =scan.nextInt();
+
+ System.out.println("请输入第三个数字");
+ int c =scan.nextInt();
+
+
+ if(a>b){
+ if(b>c) {
+ System.out.println(a+">"+b+">"+c);
+ }else {
+ if(a>c) {
+ System.out.println(a+">"+c+">"+b);
+ }else {
+ System.out.println(c+">"+a+">"+b);
+ }
+ }
+ }else {
+ if(a>c){
+ System.out.println(b+">"+a+">"+c);
+ }else {
+ if(b>c){
+ System.out.println(b+">"+c+">"+a);
+ }else{
+ System.out.println(c+">"+b+">"+a);
+ }
+ }
+
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo4.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cc2ed5e6f4499f04138d5f2ce5b346a59b8f43c5
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo4.java"
@@ -0,0 +1,26 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan =new Scanner(System.in);
+ System.out.println("请输入学生的成绩");
+ int grade =scan.nextInt();
+
+ if(grade>=81 && grade<100){
+ System.out.println("该学生的成绩等级为A");
+ }else if(grade>=60 && grade<=80){
+ System.out.println("该学生的成绩等级为B");
+ }else if(grade<60 && grade>0){
+ System.out.println("该学生的成绩等级为C");
+ }else {
+ System.out.println("请重新输入成绩");
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6de1379e7255dcb1f57e351db78b287948dfa312
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo5.java"
@@ -0,0 +1,28 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan =new Scanner(System.in);
+
+
+ System.out.println("请输入网购金额");
+ int a = scan.nextInt();
+
+ if (a >= 1000 && a <= 5000) {
+ System.out.println("折后金额是：" + a * 0.8);
+ } else if (a >= 500 && a < 1000) {
+ System.out.println("折后金额是：" + a * 0.85);
+ } else if (a >= 100 && a < 500) {
+ System.out.println("折后金额是：" + a * 0.9);
+ } else if (a < 100 && a > 0){
+ System.out.println("无折扣");
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d517c3305b83f643f5a2a4988023e46b1e6e9e20
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo6.java"
@@ -0,0 +1,39 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner abc = new Scanner(System.in);
+
+ System.out.println("请输入性别");
+ char sex = abc.next().charAt(0);
+ System.out.println("请输入年龄");
+ int age = abc.nextInt();
+ System.out.println("是否结婚");
+ String a = abc.next();
+
+ if (a.equals("no")) {
+ if(sex == '男') {
+ if(age < 25) {
+ System.out.println("不买");
+ }else {
+ System.out.println("买");
+ }
+ }else {
+ if(age < 22) {
+ System.out.println("不买");
+ }else {
+ System.out.println("买");
+ }
+ }
+ }else {
+ System.out.println("买");
+ }
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo7.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9e23ef72d30ae2700fb071f0f87fa51175b975fb
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo7.java"
@@ -0,0 +1,37 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner abc = new Scanner(System.in);
+
+ System.out.println("请输入音标");
+ char a = abc.next().charAt(0);
+
+ if(a == 'A') {
+ System.out.println("是元音");
+ }else {
+ if(a == 'E') {
+ System.out.println("是元音");
+ }else {
+ if(a == 'I') {
+ System.out.println("是元音");
+ }else {
+ if(a == 'O') {
+ System.out.println("是元音");
+ }else {
+ if(a == 'U') {
+ System.out.println("是元音");
+ }else {
+ System.out.println("不是元音");
+ }
+ }
+ }
+ }
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a1.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b1007df89f65222323897d8fa7a46af29ddfcc39
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a1.java"
@@ -0,0 +1,27 @@
+package aaa;
+
+import java.util.Scanner;
+
+public class a14 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ Scanner Scanner=new Scanner(System.in);
+
+ System.out.println("请输入小张的性别");
+ String a=Scanner.next();
+
+ System.out.println("请输入小王的性别");
+ String b=Scanner.next();
+ if(a.equals(b)) {System.out.println("对不起，你们不能结婚");}
+
+
+ else {System.out.println("恭喜你们可以结婚");}
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a2.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..923f03b05e99fb4ee7d5bf44a084d44243091190
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a2.java"
@@ -0,0 +1,25 @@
+package aaa;
+
+import java.util.Scanner;
+
+public class a2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scan=new Scanner(System.in);
+ System.out.println("请输入学生成绩");
+ int a=Scan.nextInt();
+ if (a<=60&&a>=0) {
+ System.out.println("成绩是C");
+ }
+ else if(a>=60&&a<=80) {
+ System.out.println("成绩是B");
+
+ }
+ else if (a>=81&&a<=100) {System.out.println("成绩是A");
+ }
+ else {
+ System.out.println("输入错误");
+ }
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a3.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..91fae6bc479f2293a6173c986e7fd5dd66139ed0
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a3.java"
@@ -0,0 +1,33 @@
+package aaa;
+
+import java.util.Scanner;
+
+public class a3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner Scan=new Scanner(System.in);
+ System.out.println("请输入性别");
+
+
+ int a=Scan.nextInt();
+ if (a>0&&a<100) {
+ System.out.println("无");
+ }
+ else if(a>=100&&a<500) {
+ System.out.println("9折");
+
+ }
+ else if (a>500&&a<1000) {System.out.println("8.5折");
+ }
+ else if (a>=1000&&a<5000) {System.out.println("8折");
+ }
+ else {
+ System.out.println("输入错误");
+ }
+ }
+
+
+ }
+
+
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a4.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..84f64fc667881de75055c0659fb83274ddb08a72
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a4.java"
@@ -0,0 +1,41 @@
+package dgg;
+
+import java.util.Scanner;
+
+public class a1 {
+
+ public static void main(String[] args) {
+
+
+ Scanner Scan=new Scanner(System.in);
+ System.out.println("是否是元音字母");
+ String a=Scan.next();
+ if (a.equals("A")) {
+ System.out.println("元音字母");}
+ else if (a.equals("E")) {
+ System.out.println("元音字母");}
+ else if (a.equals("I")) {
+ System.out.println("元音字母");}
+ else if (a.equals("O")) {
+ System.out.println("元音字母");}
+ else if (a.equals("U")) {
+ System.out.println("元音字母");}
+
+ else { System.out.println("不是元音字母");
+ }
+
+ }
+
+ }
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a5.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7537728f2607e07db1a702ac2964ded5f53ad6c0
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a5.java"
@@ -0,0 +1,44 @@
+import java.util.Scanner;
+
+public class DX {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+// 输入3个数,按大小输出这3个数（例如：用户输入的是：10 5 20 ，
+// 排序后为：5 10 20）（备注：只能使用三个变量，而且只能使用if的嵌套）
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入第一个数");
+ int a=scan.nextInt();
+ System.out.println("请输入第二个数");
+ int b=scan.nextInt();
+ System.out.println("请输入第三个数");
+ int c=scan.nextInt();
+ if (a>b) {
+ if(b>c) {
+ System.out.print(a+" ");
+ System.out.print(b+" ");
+ System.out.print(c);
+ }
+ else if(a>c){
+ System.out.print(a+" ");
+ System.out.print(c+" ");
+ System.out.print(b);
+ }
+ else {
+ System.out.print(c+" ");
+ System.out.print(a+" ");
+ System.out.print(b);
+ }
+ } else if(a>c){
+ System.out.print(b+" ");
+ System.out.print(a+" ");
+ System.out.print(c);
+ }
+ else {
+ System.out.print(b+" ");
+ System.out.print(c+" ");
+ System.out.println(a);
+ }
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a6.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a85c8bfde8f727038877e39ed4c6bc53c931015f
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a6.java"
@@ -0,0 +1,34 @@
+package dgg;
+
+import java.util.Scanner;
+
+public class a6 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ Scanner scanner = new Scanner(System.in);
+
+
+
+ System.out.println("请输入字母：");
+
+ char a = scanner.next().charAt(0);
+ if (a>=65&&a<=90 || a>=97&&a<=122) {
+ if(a>=65&&a<=90) {System.out.println("是大写字母");}
+ else {System.out.println("是小写字母");}
+ }else {
+ if(a>=97&&a<=122) {
+ System.out.println("是小写字母");
+ }else {
+ System.out.println("是大写字母");
+ }}
+ if(a=='a' || a=='o' || a=='e' || a=='i' || a=='u' || a=='v'){
+ System.out.println("是韵母");
+ }else {System.out.println("是声母");}
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a7.java" "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a7.java"
new file mode 100644
index 0000000000000000000000000000000000000000..aea33eb14b8a033f32310755974deceb7c28671b
--- /dev/null
+++ "b/Java\347\254\254\345\205\255\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/a7.java"
@@ -0,0 +1,41 @@
+package dgg;
+
+import java.util.Scanner;
+
+public class a7 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ Scanner Scan=new Scanner(System.in);
+ System.out.println("是否结婚");
+ String a=Scan.next();
+ if (a.equals("Y")) {
+ System.out.println("买保险");
+ return;}
+ System.out.println("性别");
+ String b=Scan.next();
+
+ System.out.println("年龄");
+ int c=Scan.nextInt();
+ if (a.equals("Y")) {
+ System.out.println("买保险");
+ return;}
+ else {
+ if (b.equals("男")) {
+ if (c>=25) {
+ System.out.println("买保险");
+ } else {
+ System.out.println("不买保险");
+ }}
+ else {if (c>=22) {
+ System.out.println("买保险");
+ } else {
+ System.out.println("不买保险");
+ }
+
+
+ }
+ }
+ }
+ }
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/Lesson1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/Lesson1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0ae6109f464030296f4454f6baaabb9272ba28f9
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/Lesson1.java"
@@ -0,0 +1,24 @@
+import java.util.Scanner;
+
+public class Lesson1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner (System.in);
+ int num1;
+ int num2;
+
+ System.out.println("请输入第一个数字");
+ num1=scanner.nextInt();
+ System.out.println("请输入第二个数字");
+ num2=scanner.nextInt();
+
+ System.out.println("计算结果如下");
+ System.out.println("两数之和="+(num1+num2));
+ System.out.println("两数之积="+(num1*num2));
+ System.out.println("两数之差="+(num1 - num2));
+ System.out.println("两数之商="+(float)num1/num2);
+ System.out.println("余数="+(num1 % num2));
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/Lesson2.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/Lesson2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c438746c7a6855c6f30c2e257960566ad73aa11b
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/Lesson2.java"
@@ -0,0 +1,18 @@
+import java.util.Scanner;
+
+public class Lesson2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner (System.in);
+ double num1=3.14;
+ double num2;
+
+ System.out.println("请输入半径");
+ num2=scanner.nextDouble();
+
+ System.out.println("圆的面积为="+(num1*num2*num2));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/Lesson3.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/Lesson3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2bad787c43857a71bdb5ecf18da9274a95666b1f
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/Lesson3.java"
@@ -0,0 +1,21 @@
+import java.util.Scanner;
+
+public class Lesson3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner (System.in);
+ double C;
+ double F;
+ int D=5;
+ int E=9;
+ int H=32;
+
+ System.out.println("请输入华氏温度");
+ F=scanner.nextDouble();
+
+ System.out.println("换算为摄氏温度为="+(float)D/E*(F-H));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/Lesson4.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/Lesson4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2b57d2904cbf8e41c2a350a2269578135acf7f2a
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/Lesson4.java"
@@ -0,0 +1,21 @@
+import java.util.Scanner;
+
+public class Lesson4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner (System.in);
+ int A;
+
+ System.out.println("请输入四位整数");
+ A=scanner.nextInt();
+ System.out.println("它的千位数是："+(A/1000));
+ System.out.println("它的百位数是："+(A/100%10));
+ System.out.println("它的十位数是："+(A/10%10));
+ System.out.println("它的个位数是："+(A%10));
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/readme.txt" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/readme.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..1c685938c89de8bd9bee702b42ac00cd4baeec4a
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/readme.txt"
@@ -0,0 +1 @@
+Java第四次作业
\ No newline at end of file
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c9da96993f20578c3995979cd010898a2ca8514e
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo1.java"
@@ -0,0 +1,29 @@
+package Demo;
+import java.util.Scanner;
+public class Demo1 {
+ public static void main(String[] ages) {
+ int num1 ;
+ int num2;
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("输入你的数字");
+ num1 = scanner.nextInt();
+ System.out.println("输入第二个数字");
+ num2 = scanner.nextInt();
+
+
+ System.out.println("num1 + num2 ="+(num1 +num2));
+ System.out.println("num1 - num2 ="+(num1 -num2));
+ System.out.println("num1 x num2 ="+(num1 *num2));
+ System.out.println("num1 / num2 ="+(num1 /(float)num2));
+ System.out.println("num1 % num2 ="+(num1 %num2));
+
+
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo2.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e2884a94f24bc45f7875143b05f24a1ffa605a18
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo2.java"
@@ -0,0 +1,14 @@
+package Demo;
+import java.util.Scanner;
+public class Demo2 {
+ public static void main(String[] ages) {
+ double num1=3.14 ;
+ double r;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("输入圆的半径");
+ r = scanner.nextDouble();
+ System.out.println("圆的面积 ="+ (num1*r*r) );
+
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo3.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f18d1181d8d2867d9ad1c5fc32530a2eb4f158d8
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo3.java"
@@ -0,0 +1,17 @@
+package Demo;
+import java.util.Scanner;
+public class Demo3 {
+ public static void main(String[] ages) {
+ double num1;
+ double num2;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("输入长方形的长");
+ num1 = scanner.nextDouble();
+ System.out.println("输入长方形的宽");
+ num2 = scanner.nextDouble();
+
+ System.out.println("长方形的面积 =" +(num1 * num2));
+
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo4.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7dadcf18617337c7f15e5279b7000400c50e6cc9
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo4.java"
@@ -0,0 +1,26 @@
+package Demo;
+
+import java.util.Scanner;
+
+public class Demo4 {
+ public static void main(String[] ages) {
+ int num;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入一个4位数字");
+ num = scanner.nextInt();
+
+ int num1 =num/1000;
+ int num2 =num/100%10;
+ int num3 =num%1000%100/10;
+ int num4 =num%1000%100%10;
+ System.out.println("四位数的千位数是"+num1);
+ System.out.println("四位数的百位数是"+num2);
+ System.out.println("四位数的十位数是"+num3);
+ System.out.println("四位数的个位数是"+num4);
+
+
+
+
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo5.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b48acc251f8f083125c6a13d81a8d2ddfd594d4c
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\344\275\225\351\223\255\346\266\233/Demo5.java"
@@ -0,0 +1,20 @@
+package Demo;
+
+import java.util.Scanner;
+
+public class Demo5 {
+ public static void main(String[] ages) {
+ Scanner scanner = new Scanner(System.in);
+ double f;
+ System.out.println("请输入华氏度的值");
+ f = scanner.nextDouble();
+ double c =5/(float)9*(f-32);
+ System.out.println("摄氏度的值为"+c);
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ba6900319c43672af8e05dc1d9210b91877083a3
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome1.java"
@@ -0,0 +1,21 @@
+package com.lession3;
+
+public class Dome1 {
+ public static void main(String[] args) {
+ int num1=100;
+ int num2=200;
+ //两数之和
+ System.out.println("num1+num2=" +(num1+num2));
+ //两数之差
+ System.out.println("num1-num2=" +(num1-num2));
+ //两数之积
+ System.out.println("num1*num2=" +(num1*num2));
+ //两数之商
+ System.out.println("num1/num2=" +(num1/(float)num2));
+ //两数取余
+ System.out.println("num1%num2=" +(num1%num2));
+
+ }
+
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome2.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f4e4fdd910e79217ceacb01da4d80dfa275c7d67
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome2.java"
@@ -0,0 +1,15 @@
+package com.lession3;
+
+import java.util.Scanner;
+
+public class Dome2 {
+ public static void main(String[] args) {
+ double F;
+ double C;
+ Scanner scan =new Scanner(System.in);
+ System.out.println("请输入华氏温度值");
+ F=scan.nextDouble();
+ System.out.println("摄氏温度的值" + "C="+(5/(float)9*(F-32)));
+
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome3.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cca6aef35170a499868b0df85f60f13d486dcf64
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome3.java"
@@ -0,0 +1,17 @@
+package com.lession3;
+
+import java.util.Scanner;
+
+public class Dome3 {
+ public static void main(String[] args) {
+ double Π=3.14;
+ double r;
+ double S;
+
+ Scanner scan= new Scanner(System.in);
+ System.out.println("请输入圆的半径");
+ r=scan.nextDouble();
+ System.out.println("圆的面积为" + "S="+(Π*r*r));
+
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome4.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b13bf2b1703f36bbcb238f6c47f9a16c7ffcc8e6
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\205\260\351\246\250\345\204\277/Dome4.java"
@@ -0,0 +1,17 @@
+package com.lession3;
+
+public class Dome4 {
+ public static void main(String[] args) {
+ int num=1357;
+
+ int num1 = num/1000;
+ int num2 = num/100%10;
+ int num3 = num%1000%100/10;
+ int num4 = num%100%10;
+
+ System.out.println(num1);
+ System.out.println(num2);
+ System.out.println(num3);
+ System.out.println(num4);
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/\345\212\240\345\207\217\344\271\230\351\231\244.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/\345\212\240\345\207\217\344\271\230\351\231\244.java"
new file mode 100644
index 0000000000000000000000000000000000000000..eb3855a17400b7754cc393ec8f1259b38f9902b6
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/\345\212\240\345\207\217\344\271\230\351\231\244.java"
@@ -0,0 +1,26 @@
+package sadsad;
+
+import java.util.Scanner;
+
+public class sadsa {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int num1;
+ int num2;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ num1 = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ num2 = scan.nextInt();
+
+ System.out.println("输入的两个数字的和是 " + (num1+num2));
+ System.out.println("输入的两个数字的相减是 " + (num1-num2));
+ System.out.println("输入的两个数字的积是 " + (num1*num2));
+ System.out.println("输入的两个数字的除数是" + ((float)num1/num2));
+ System.out.println("输入的两个数字的商是= " + (num1%num2));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/\345\215\216\346\260\217\346\221\204\346\260\217\345\272\246.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/\345\215\216\346\260\217\346\221\204\346\260\217\345\272\246.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a83e9f3fc23d3bc1a010ebc4494408c296fb112e
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/\345\215\216\346\260\217\346\221\204\346\260\217\345\272\246.java"
@@ -0,0 +1,21 @@
+package sadsad;
+
+import java.util.Scanner;
+
+public class Class2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double c;
+ double f;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("华氏摄氏度为：");
+ f = scan.nextDouble();
+ System.out.println("c =" + (double)5/9*(f-32));
+
+
+ }
+ }
+
+
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/\345\233\233\344\275\215\346\225\260.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/\345\233\233\344\275\215\346\225\260.java"
new file mode 100644
index 0000000000000000000000000000000000000000..40f5c61858f0691aa2fcd3d5649d042fa9e2ed48
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/\345\233\233\344\275\215\346\225\260.java"
@@ -0,0 +1,18 @@
+package sadsad;
+
+import java.util.Scanner;
+
+public class 四位数 {
+
+ public static void main(String[] args) {
+ int num;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入四位数：");
+ num = scan.nextInt();
+ System.out.println("千位数为：" + num/1000);
+ System.out.println("百位数为：" + num/100%10);
+ System.out.println("十位数为：" + num%100%100/10);
+ System.out.println("个位数为：" + num%10);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/\346\261\202\345\234\206\351\235\242\347\247\257.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/\346\261\202\345\234\206\351\235\242\347\247\257.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d435af1185f2022202cb7cc35bd2864c1b57b169
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/\346\261\202\345\234\206\351\235\242\347\247\257.java"
@@ -0,0 +1,22 @@
+package sadsad;
+
+import java.util.Scanner;
+
+public class Class1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double r;
+ double pai=3.14;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入圆的半径");
+ r = scan.nextDouble();
+
+ System.out.println("圆的面积为");
+ double d=r*r;
+ System.out.println("pai*d ="+ (pai*d));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/\345\212\240\345\207\217\344\271\230\351\231\244\344\275\231.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/\345\212\240\345\207\217\344\271\230\351\231\244\344\275\231.java"
new file mode 100644
index 0000000000000000000000000000000000000000..94011d5cc5d7fb6d5f28c7b29ea4c1cd80f94223
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/\345\212\240\345\207\217\344\271\230\351\231\244\344\275\231.java"
@@ -0,0 +1,29 @@
+package lesson04;
+
+import java.util.Scanner;
+
+public class L1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int nu1;
+ int nu2;
+
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入一个数");
+ nu1=scan.nextInt();
+
+ System.out.println("请输入一个数");
+ nu2=scan.nextInt();
+ System.out.println("运算效果");
+ System.out.println("nu1+nu2:"+(nu1+nu2));
+ System.out.println("nu1-nu2:"+(nu1-nu2));
+ System.out.println("nu1*nu2:"+(nu1*nu2));
+ System.out.println("nu1/nu2:"+((double)nu1/nu2));
+ System.out.println("nu1%nu2:"+(nu1%nu2));
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/\345\233\233\344\275\215\346\225\260.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/\345\233\233\344\275\215\346\225\260.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4cd8706865b346c91e558f3318758f00b12d157a
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/\345\233\233\344\275\215\346\225\260.java"
@@ -0,0 +1,28 @@
+package lesson04;
+
+import java.util.Scanner;
+
+public class mkjk {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int n1;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个四位数");
+ n1=scan.nextInt();
+
+ int n2=n1/1000;
+ int n3=n1/100%10;
+ int n4=n1%1000%100/10;
+ int n5=n1%1000%100%10;
+
+ System.out.println(n2);
+ System.out.println(n3);
+ System.out.println(n4);
+ System.out.println(n5);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/\345\234\206\351\235\242\347\247\257.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/\345\234\206\351\235\242\347\247\257.java"
new file mode 100644
index 0000000000000000000000000000000000000000..66f3a2653695203b0e804575afc8bf68e5743dcd
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/\345\234\206\351\235\242\347\247\257.java"
@@ -0,0 +1,22 @@
+package lesson04;
+
+import java.util.Scanner;
+
+public class fds {
+
+
+ public static void main(String[] args) {
+ double pai=3.14F;
+ double DE;
+
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入圆的半径");
+ float R1=scan.nextFloat();
+ DE=pai*R1*R1;
+ System.out.println(DE);
+
+
+
+ }
+
+ }
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/\346\270\251\345\272\246\350\275\254\346\215\242.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/\346\270\251\345\272\246\350\275\254\346\215\242.java"
new file mode 100644
index 0000000000000000000000000000000000000000..00bf65c9c381b36c7ecf4e91c016d1d64a416b0c
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\210\230\351\207\221\346\265\267/\346\270\251\345\272\246\350\275\254\346\215\242.java"
@@ -0,0 +1,27 @@
+package lesson04;
+
+import java.util.Scanner;
+
+public class fds {
+
+
+ public static void main(String[] args) {
+
+ double C;
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入一个华氏温度");
+ double F=scan.nextDouble();
+ C=(double)5/9*(F-32);
+ System.out.println("以下是换算结果");
+ System.out.println(C);
+
+
+
+
+
+
+
+
+ }
+
+ }
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/B.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/B.java"
new file mode 100644
index 0000000000000000000000000000000000000000..87b62ead2e8466f0ac6b0c5f784755d683004f6e
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/B.java"
@@ -0,0 +1,24 @@
+import java.util.Scanner;
+
+public class B {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner (System.in);
+ int number1;
+ int number2;
+
+ System.out.println("请输入第一个数字：");
+ number1=scanner.nextInt();
+ System.out.println("请输入第二个数字：");
+ number2=scanner.nextInt();
+
+ System.out.println("计算结果如下：");
+ System.out.println("两数之和："+(number1+number2));
+ System.out.println("两数之差："+(number1-number2));
+ System.out.println("两数之积："+(number1*number2));
+ System.out.println("两数之商："+((float)number1/number2));
+ System.out.println("余数："+(number1%number2));
+
+
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/C.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/C.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fc29980e1ccf89a7a3ba460eed9496916cbf0caf
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/C.java"
@@ -0,0 +1,17 @@
+import java.util.Scanner;
+
+public class C {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ double number1=3.14;
+ double number2;
+
+ System.out.println("请输入圆半径：");
+ number2= scanner.nextDouble();
+
+ System.out.println("圆面积="+(number1*number2*number2));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/D.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/D.java"
new file mode 100644
index 0000000000000000000000000000000000000000..499268657a44a22405c389bdcd0ed60abfbf0f38
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/D.java"
@@ -0,0 +1,13 @@
+import java.util.Scanner;
+
+public class D {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ double number1;
+ System.out.println("请输入华氏度");
+ number1=scanner.nextDouble();
+ System.out.println("对应的摄氏度是："+(((double)5/9)*(number1-32)));
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/E.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/E.java"
new file mode 100644
index 0000000000000000000000000000000000000000..70f0be2fedb303a013459a7e2fc19f7613a71c0c
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\215\216\345\237\216/E.java"
@@ -0,0 +1,17 @@
+import java.util.Scanner;
+
+public class E {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ int number;
+ System.out.println("请输入一个四位数：");
+ number=scanner.nextInt();
+ System.out.println("它的千位是："+(number/1000));
+ System.out.println("它的百位是："+(number/100%10));
+ System.out.println("它的十位是："+(number/10%10));
+ System.out.println("它的个位是："+(number%10));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Hushi.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Hushi.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6e9ad0a72152f74b2dfec735370b65545f8300cf
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Hushi.java"
@@ -0,0 +1,16 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Hushi {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("华氏温度为多少时");
+ double a =scanner.nextFloat();
+ double c =((double)5*(a-32)/9);
+ System.out.println("摄氏温度为"+c);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Jixcy.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Jixcy.java"
new file mode 100644
index 0000000000000000000000000000000000000000..11cc9e2bda4179e1cd243a834bf243c6bddb2ad3
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Jixcy.java"
@@ -0,0 +1,31 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Jixcy {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入A=");
+ System.out.println("请输入B=");
+
+ int a = scanner.nextInt();
+ int b = scanner.nextInt();
+
+
+ System.out.println("a+b="+(a+b));
+
+ System.out.println("a-b="+(a-b));
+
+ System.out.println("a*b="+(a*b));
+
+ System.out.println("a/b="+((float)a/b));
+
+ System.out.println("a%b="+(a%b));
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Yuan.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Yuan.java"
new file mode 100644
index 0000000000000000000000000000000000000000..623419a3b9f8d90c42b1ada15078fee9072c61af
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Yuan.java"
@@ -0,0 +1,17 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Yuan {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入半径");
+
+ double a = 3.14;
+ double b = scanner.nextInt();
+ System.out.println("园的面积为"+(a*(b*b)));
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/yushu.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/yushu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4339b763b241eb675ec94e5e21b1b012a8cf80a1
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/yushu.java"
@@ -0,0 +1,24 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Yushu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入4位整数");
+ int a =scanner.nextInt();
+
+ int b = a/1000;
+ int c = a/100%10;
+ int d = a/10%10;
+ int e = a/1%10;
+ System.out.println("千位为"+b);
+ System.out.println("百位为"+c);
+ System.out.println("十位为"+d);
+ System.out.println("个位为"+e);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/ss/Hszh.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/ss/Hszh.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f0d56983a51bbdfb6ef787b410f1a6054b24ecea
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/ss/Hszh.java"
@@ -0,0 +1,19 @@
+package ss;
+
+import java.util.Scanner;
+
+public class Hszh {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int f;
+ int l;
+ System.out.print("请输入f值 ：");
+ f=scan.nextInt();
+ l=f-32;
+ double C =5/9*l;
+ System.out.print("华氏温度的值："+C);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/ss/Jjcc.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/ss/Jjcc.java"
new file mode 100644
index 0000000000000000000000000000000000000000..125c5dcb1715bef2f9c90a297ee38b36f82a6607
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/ss/Jjcc.java"
@@ -0,0 +1,23 @@
+package ss;
+
+import java.util.Scanner;
+
+public class Jjcc {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int sum1;
+ int sum2;
+ System.out.print("请输入第一位数 ");
+ sum1=scan.nextInt();
+ System.out.print("请输入第二位数 ");
+ sum2=scan.nextInt();
+ System.out.print("sum1+sum2= "+(sum1+sum2));
+ System.out.print("sum1-sum2= "+(sum1-sum2));
+ System.out.print("sum1*sum2= "+(sum1*sum2));
+ System.out.print("sum1/sum2= "+(sum1/sum2));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/ss/Sws.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/ss/Sws.java"
new file mode 100644
index 0000000000000000000000000000000000000000..008e03938411860eabdd63947baeb81c7b5a675e
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/ss/Sws.java"
@@ -0,0 +1,25 @@
+package ss;
+
+import java.util.Scanner;
+
+public class Sws {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+ int num;
+ System.out.print("请输入数值： ");
+ num=scan.nextInt();
+
+ int num1=num/1000;
+ System.out.print("千位数是： "+num1);
+ int num2=num/100%10;
+ System.out.print("百位数是： "+num2);
+ int num3=num%1000%100/10;
+ System.out.print("十位数是： "+num3);
+ int num4=num%1000%100%10;
+ System.out.print("个位数是： "+num4);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/ss/Yz.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/ss/Yz.java"
new file mode 100644
index 0000000000000000000000000000000000000000..336655ff9db75545b8a3e3864a8a93e24aee5879
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\231\210\350\276\211/ss/Yz.java"
@@ -0,0 +1,20 @@
+package ss;
+
+import java.util.Scanner;
+
+public class Yz {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int r;
+ double a=3.14;
+ Scanner scan = new Scanner(System.in);
+ System.out.print("请输入r的值：");
+ r= scan.nextInt();
+ int c =r*r;
+
+ double sum=c*a;
+ System.out.print("圆面积是："+sum);
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6919d6de27b5ed3379d3fe62d42f2cfc0a202c57
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo.java"
@@ -0,0 +1,14 @@
+import java.util.Scanner;
+public class Demo {
+ public static void main(String[]args) {
+ double a;
+ double Π=3.14;
+ double r;
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("输入r的值");
+ r=scanner.nextDouble();
+ a=Π*(r*r);
+ System.out.println("园的面积："+a);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..eefe57c868a6833fc661f331d019ac11ed68628d
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java"
@@ -0,0 +1,31 @@
+import java.util.Scanner;
+
+
+
+public class Demo2 {
+ public static void main(String[] args) {
+ int a;
+ int b;
+ long sum;
+ long jian;
+ long cheng;
+ int chu;
+ int yu;
+
+ Scanner Scanner = new Scanner(System.in);
+ System.out.print("请输入a 的值");
+ a=Scanner.nextInt();
+ System.out.print("请输入b 的值");
+ b=Scanner.nextInt();
+ sum=a+b;
+ jian=a-b;
+ cheng=a*b;
+ chu=a/b;
+ yu=a%b;
+ System.out.println("a+b=:"+sum);
+ System.out.println("a-b=:"+jian);
+ System.out.println("a*b=:"+cheng);
+ System.out.println("a/b=:"+chu);
+ System.out.println("a%b=:"+yu);
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo3.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2e97f1d153efe18f194404bd021387f6fc783e83
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo3.java"
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+public class Demo3 {
+ public static void main(String[]args) {
+
+ int num,num1,num2,num3,num4;
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("输入一个四位数：");
+ num=scanner.nextInt();
+ num1=num/1000;
+ num2=num/100%10;
+ num3=num%100/10;
+ num4=num%10;
+ System.out.println("num的千位："+num1);
+ System.out.println("num的百位："+num2);
+ System.out.println("num的十位："+num3);
+ System.out.println("num的个位："+num4);
+
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo4.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7ed63f6791045cea0eed5c0b1a4732ee7dd5cc2d
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo4.java"
@@ -0,0 +1,12 @@
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ Scanner scan= new Scanner(System.in);
+ System.out.println("输入的华氏温度");
+ double i=scan.nextInt();
+ System.out.println("摄氏温度"+(9*(i-32)/5));
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2374/\345\212\240\345\207\217\344\271\230\351\231\244.txt" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2374/\345\212\240\345\207\217\344\271\230\351\231\244.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..845301ff60dcc24c44f62a743522ce4a49f310c5
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2374/\345\212\240\345\207\217\344\271\230\351\231\244.txt"
@@ -0,0 +1,30 @@
+package Lession;
+
+import java.util.Scanner;
+
+public class Deom {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double num1;
+ double num2;
+ double sum;
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("璇疯緭鍏ョ涓涓暟");
+ num1 = scan.nextDouble();
+
+
+ System.out.println("璇疯緭鍏ョ浜屼釜鏁");
+ num2 = scan.nextDouble();
+
+ System.out.println("num1 + mum2 = " + (num1 + num2));
+ System.out.println("num1 - mum2 = " + (num1 - num2));
+ System.out.println("num1 * mum2 = " + (num1 * num2));
+ System.out.println("num1 / mum2 = " + (num1 / num2));//((float)num1 / num2)
+ System.out.println("num1 % mum2 = " + (num1 % num2));
+ }
+
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2374/\345\233\233\344\275\215\346\225\260.txt" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2374/\345\233\233\344\275\215\346\225\260.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..af4378a42790a3fd5b3b058110364c87af7b9e29
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2374/\345\233\233\344\275\215\346\225\260.txt"
@@ -0,0 +1,24 @@
+package Lession;
+
+import java.util.Scanner;
+
+public class Deom {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int num1;
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("璇疯緭鍏ヤ竴涓洓浣嶆暣鏁");
+ num1 = scan.nextInt();
+
+
+ System.out.println("鍥涗綅鏁扮殑鍗冧綅鏄 = " + (num1 / 1000));
+ System.out.println("鍥涗綅鏁扮殑鐧句綅鏄 = " + (num1 % 1000/100 ));
+ System.out.println("鍥涗綅鏁扮殑鍗佷綅鏄 = " + (num1 % 100/10 ));
+ System.out.println("鍥涗綅鏁扮殑涓綅鏄 = " + (num1 %10 ));
+ }
+
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2374/\345\234\206\351\235\242\347\247\257.txt" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2374/\345\234\206\351\235\242\347\247\257.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..c611a74dc598cadd870d89641338c046fdb73022
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2374/\345\234\206\351\235\242\347\247\257.txt"
@@ -0,0 +1,20 @@
+package Lession;
+
+import java.util.Scanner;
+
+public class Deom {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double r;
+ double num2;
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("杈撳叆鍗婂緞鍊");
+ r = scan.nextDouble();
+ double 蟺 = 3.14;
+ System.out.println("鍦嗙殑闈㈢Н = " +(蟺 * r * r));
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2374/\346\221\204\346\260\217\350\275\254\346\215\242.txt" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2374/\346\221\204\346\260\217\350\275\254\346\215\242.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..e34c2df84933356b6c3ec9200e51c56e7ee200ca
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\2374/\346\221\204\346\260\217\350\275\254\346\215\242.txt"
@@ -0,0 +1,19 @@
+package Lession;
+
+import java.util.Scanner;
+
+public class Deom {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double r;
+ double num2;
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("牖");
+ r = scan.nextDouble();
+ System.out.println(5/(double)9*(r-32));
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Jiajianchenchu.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Jiajianchenchu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..74bc27e5678776100dc8e829ba014112354d03ab
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Jiajianchenchu.java"
@@ -0,0 +1,21 @@
+import java.util.Scanner;
+
+public class Jiajianchenchu {
+ private Scanner scanner;
+
+ public void name(String[] args) {
+ int num1 ;
+ int num2 ;
+ scanner = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ num1 = scanner.nextInt();
+ System.out.println("请输入第二个数字");
+ num2 = scanner.nextInt();
+ System.out.println("num1 + num2=" +(num1 + num2));
+ System.out.println("num1 - num2=" +(num1 - num2));
+ System.out.println("num1* num2=" +(num1 * num2));
+ System.out.println("num 1 / num2=" +((float)num1 / num2));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Shuzi.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Shuzi.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6890f6651f362ddced84d9810068a7c45b97f600
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Shuzi.java"
@@ -0,0 +1,19 @@
+public class Shuzi {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int num = 5632;
+
+ int num1 = num/1000;
+ int num2 = num/100%10;
+ int num3 = num%1000%100/10;
+ int num4 = num%1000%100%10;
+ System.out.println(num1);
+ System.out.println(num2);
+ System.out.println(num3);
+ System.out.println(num4);
+
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Wendu.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Wendu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..81f748772c866e5627912eef1338c09593edebcb
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Wendu.java"
@@ -0,0 +1,25 @@
+
+
+import java.util.Scanner;
+
+public class Wendu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ double num1;
+ System.out.println("温度");
+ num1 = scanner.nextDouble();
+ double num2 = 5;
+ double num3 = 9;
+ int num6 = 32;
+ double num4 = num2 / num3;
+ double num5 = num1 - num6;
+ double sum = num4 * num5;
+
+ System.out.println(sum);
+
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Yuanmianji.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Yuanmianji.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e1eed3403551320bdad577c175ea7293b7f8b8e2
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Yuanmianji.java"
@@ -0,0 +1,14 @@
+import java.util.Scanner;
+
+public class Yuanmianji {
+ public static void main(String[] args) {
+ double radius;
+ double area;
+ Scanner input = new Scanner(System.in);
+ System.out.println("请输入半径值：");
+ radius = input.nextDouble();
+ area = 3.14 * radius *radius;
+ System.out.println("圆的面积为：" + area);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo10.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo10.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9576017cfad4a92ac32972d92ca922e9bae7dea5
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo10.java"
@@ -0,0 +1,19 @@
+package com.md.lesson5;
+
+import java.util.Scanner;
+
+public class Demo7 {
+
+ public static void main(String[] args) {
+ double F;
+ double num = 5/9;
+ Scanner scanner = new Scanner(System.in);
+
+ System.out.println("请输入您的华氏摄氏度：");
+ F = scanner.nextDouble();
+
+ System.out.println("华氏转换为c=" +num*(F-32));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo11.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo11.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0b7e5454eb69b282f0fa4bcdc65401ff8720f7b5
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo11.java"
@@ -0,0 +1,36 @@
+package com.md.lesson5;
+
+import java.util.Scanner;
+
+public class Demo8 {
+
+
+ public static void main(String[] args) {
+ int num;
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入任意四位数的数字：");
+ num = scan.nextInt();
+
+ int num1 = num/1000;
+ int num2 = num/100%10;
+ int num3 = num%1000%100/10;
+ int num4 = num%1000%100%10;
+
+ System.out.println("这个数字的千位是：" +num1);
+ System.out.println("这个数字的百位是：" +num2);
+ System.out.println("这个数字的十位是：" +num3);
+ System.out.println("这个数字的个位是：" +num4);
+
+
+
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo8 .java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo8 .java"
new file mode 100644
index 0000000000000000000000000000000000000000..f349ef1d0386d9e3e13c1037a8616e2d9f6ebaea
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo8 .java"
@@ -0,0 +1,26 @@
+package com.md.lesson5;
+
+import java.util.Scanner;
+
+public class Demo5 {
+
+ public static void main(String[] args) {
+ int num1;
+ int num2;
+
+ Scanner scanner = new Scanner (System.in);
+
+ System.out.println("请输入您的第一个数字：");
+ num1 = scanner.nextInt();
+
+ System.out.println("请输入您的第二个数字：");
+ num2 = scanner.nextInt();
+
+ System.out.println("num1 + num2 =" +(num1 + num2));
+ System.out.println("num1 - num2 =" +(num1 - num2));
+ System.out.println("num1 * num2 =" +(num1 * num2));
+ System.out.println("num1 / num2 =" +((float)num1 / num2));
+ System.out.println("num1 % num2 =" +(num1 % num2));
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo9.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo9.java"
new file mode 100644
index 0000000000000000000000000000000000000000..17d37af4e707a8d32603a40afc9f797945600c64
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\345\256\217/Demo9.java"
@@ -0,0 +1,25 @@
+package com.md.lesson5;
+
+import java.util.Scanner;
+
+public class Demo6 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+
+ double R;
+ double π=3.14;
+
+
+ System.out.println("请输入您的半径：");
+ R = scanner.nextDouble();
+
+ System.out.println("圆的面积为：" +π*R*R);
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom01.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1f0c8968a4ed90bc70d9a4a445441ab461c1005d
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom01.java"
@@ -0,0 +1,20 @@
+package lesson01;
+
+import java.util.Scanner;
+
+public class Deom01 {
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ int a ;
+ int b;
+ System.out.println("请输入第一个数字；");
+ a = scan.nextInt();
+ System.out.println("请输入第二个数字；");
+ b = scan.nextInt();
+ System.out.println("a+b="+(a+b));
+ System.out.println("a-b="+(a-b));
+ System.out.println("a*b="+(a*b));
+ System.out.println("a/b="+((float)a/b));
+ System.out.println("a%b="+(a%b));
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom02.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8bdec3d49d63c6efc4c801587c173a8967a84f75
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom02.java"
@@ -0,0 +1,16 @@
+package lesson01;
+
+import java.util.Scanner;
+
+public class Deom02 {
+
+ public static void main(String[] args) {
+ double π = 3.14;
+ double a;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个半径");
+ a = scan.nextInt();
+ System.out.println("圆的面积为："+(a*a*π));
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom03.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8f526c92b472ea8dcbbcf8e6d0544d169e17501f
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom03.java"
@@ -0,0 +1,15 @@
+package lesson01;
+
+import java.util.Scanner;
+
+public class Deom03 {
+
+ public static void main(String[] args) {
+ int a;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个华氏温度");
+ a = scan.nextInt();
+ System.out.println("转换的摄氏温度为："+(double)5/9*(a-32));
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom04.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ef9708c52af6fd675001bc7686193b51c54a1c45
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\274\240\351\221\253/Deom04.java"
@@ -0,0 +1,18 @@
+package lesson01;
+
+import java.util.Scanner;
+
+public class Deom04 {
+
+ public static void main(String[] args) {
+ int a ;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入四位数：");
+ a = scan.nextInt();
+ System.out.println("显示的千位是："+a/1000);
+ System.out.println("显示的百位是："+a/100%10);
+ System.out.println("显示的十位是："+a%1000%100/10);
+ System.out.println("显示的个位是："+a%1000%100%10);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo01.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a275ab89ddcd47fa8587b6eaef3833cf3506cdde
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo01.java"
@@ -0,0 +1,26 @@
+package fang;
+
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ int a ;
+ int b;
+ float sum;
+ System.out.println("请输入第一个数字");
+ a=scan.nextInt();
+ System.out.println("请输入第二个数字");
+ b=scan.nextInt();
+ //乘;
+ System.out.println("乘"+(a*b));
+ System.out.println("除"+(a/b));
+ System.out.println("加"+(a+b));
+ System.out.println("减"+(a-b));
+ System.out.println("余"+(a%b));
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo02.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..46605523e9de106452a107db3e82ca2251a42bd8
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo02.java"
@@ -0,0 +1,16 @@
+package fang;
+
+import java.util.Scanner;
+
+public class Demo02 {
+
+ public static void main(String[] args) {
+ Scanner scan= new Scanner(System.in);
+ System.out.println("请输入半径");
+ double r=scan.nextDouble();
+ double a= 3.14;
+ System.out.println("面积为"+(a*(r*r)));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo03.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..edc532d6646eb19f555877f4af1e19f58cef335f
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo03.java"
@@ -0,0 +1,16 @@
+package fang;
+
+import java.util.Scanner;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ Scanner scan= new Scanner(System.in);
+ System.out.println("长");
+ double a=scan.nextDouble();
+ System.out.println("宽");
+ double b=scan.nextDouble();
+ System.out.println("面积"+(a*b));
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo04.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f126a39cc001b5ea73c995fd610ccd0be06af1cd
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo04.java"
@@ -0,0 +1,21 @@
+package fang;
+
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ Scanner scan= new Scanner(System.in);
+ System.out.println("请输入一个四位数的数字");
+ int a=scan.nextInt();
+ int a1=a/1000;
+ System.out.println("千位为"+a1);
+ int a2=a%1000/100;
+ System.out.println("百位位"+a2);
+ int a3=a%1000/10%10;
+ System.out.println("十位数"+a3);
+ int a4=a%1000%10;
+ System.out.println("个位数"+a4);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo05.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2a7af82a54432c3f60f86097a4c33aae3b12a62f
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\271\350\215\243\346\230\237/Demo05.java"
@@ -0,0 +1,14 @@
+package fang;
+
+import java.util.Scanner;
+
+public class Demo05 {
+
+ public static void main(String[] args) {
+ Scanner scan= new Scanner(System.in);
+ System.out.println("请输入华氏度");
+ double i=scan.nextInt();
+ System.out.println("摄氏度为"+(9*(i-32)/5));
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo001.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo001.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e8917bb9eb75c426815febcf399420659b9b0569
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo001.java"
@@ -0,0 +1,30 @@
+package com.md.lession4;
+
+import java.util.Scanner;
+
+public class Demo001 {
+ public static void main(String[] args) {
+ int numa;
+ int numb;
+
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.println("请输入你的第一个数字");
+ numa= scanner.nextInt();
+
+ System.out.println("请输入你的第二个数字");
+ numb= scanner.nextInt();
+
+ System.out.println("两数之和："+(numa + numb));
+
+ System.out.println("两数之差："+(numa - numb));
+
+ System.out.println("两数乘积："+(numa * numb));
+
+ System.out.println("两数之商："+(numa /(float) numb));
+
+ System.out.println("两数之余："+(numa % numb));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo002.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo002.java"
new file mode 100644
index 0000000000000000000000000000000000000000..24af432cff7e9b5007734b3aad153ca722b13061
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo002.java"
@@ -0,0 +1,17 @@
+package com.md.lession4;
+
+import java.util.Scanner;
+
+public class Demo002 {
+ public static void main(String[] args) {
+ double r;
+ double Π=3.14;
+
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.println("请输入半径的值：");
+ r= scanner.nextDouble();
+
+ System.out.println("圆的面积是："+(Π*(r*r)));
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo003.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo003.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7c635ab0684a56ec1f1e51c62569ef40477cd0e9
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Demo003.java"
@@ -0,0 +1,20 @@
+package com.md.lession4;
+
+import java.util.Scanner;
+
+public class Demo003 {
+ public static void main(String[] args) {
+ double a;
+ double b;
+
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.println("请输入长的值：");
+ a= scanner.nextDouble();
+
+ System.out.println("请输入宽的值：");
+ b= scanner.nextDouble();
+
+ System.out.println("长方形的面积是："+a*b);
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Siweishu.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Siweishu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b13451da8174eab12be9f99a7b7e735ff15e1c68
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Siweishu.java"
@@ -0,0 +1,25 @@
+package com.md.lession4;
+
+import java.util.Scanner;
+
+public class Siweishu {
+ public static void main(String[] args) {
+ int number;
+
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.println("请输入一个四位数：");
+
+ number = scanner.nextInt();
+
+ int number1 = number/1000;
+ int number2 = number%1000/100;
+ int number3 = number%1000%100/10;
+ int number4 = number%10;
+
+ System.out.println("千分位为 "+number1);
+ System.out.println("百分位为 "+number2);
+ System.out.println("十分位为 "+number3);
+ System.out.println("个位为 "+number4);
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Wendu.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Wendu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bd37c4f63886d5b5207a2d4c434d341e4c2569b1
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\226\275\346\261\237\345\263\260/Wendu.java"
@@ -0,0 +1,17 @@
+package com.md.lession4;
+
+import java.util.Scanner;
+
+public class Wendu {
+ public static void main(String[] args) {
+ double F;
+
+ Scanner scanner =new Scanner(System.in);
+
+ System.out.println("请输入华氏度的值：");
+ F= scanner.nextDouble();
+ double C=5/(float)9*(F-32);
+ System.out.println("摄氏度C是："+C);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/huashisheshidu.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/huashisheshidu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6436debd1a09feaa5100f1528a288524086f3727
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/huashisheshidu.java"
@@ -0,0 +1,25 @@
+package lession;
+
+import java.util.Scanner;
+
+public class huashisheshidu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double a;//转换后的值
+ double b;//华氏温度的值
+
+ Scanner scan =new Scanner(System.in);
+
+ System.out.println("请输入华氏温度值");
+
+ b = scan.nextDouble();
+
+ a = (b-32)*((double)5/9);
+
+ System.out.println("华氏摄氏度为" + a );
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/jiajianchengchuyu.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/jiajianchengchuyu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5e1ab3df278b24353323518e203701a1f680745c
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/jiajianchengchuyu.java"
@@ -0,0 +1,27 @@
+package lession;
+
+import java.util.Scanner;
+
+public class jiajianchengchuyu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan = new Scanner(System.in);
+
+ int num1;
+ int num2;
+
+ System.out.println("请输入第一个数字");
+ num1 = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ num2 = scan.nextInt();
+
+ System.out.println("和为"+(num1+num2));
+ System.out.println("差为"+(num1-num2));
+ System.out.println("乘积为"+(num1*num2));
+ System.out.println("商为"+((float)num1/num2));
+ System.out.println("取余后为"+(num1%num2));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/lession1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/lession1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6abefcd79a98a82e6e98eb52eabefc429a7937b7
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/lession1.java"
@@ -0,0 +1,20 @@
+package lession;
+
+public class lession1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int num1 = 10;
+ int num2 = 9;
+
+ System.out.println("和为"+(num1+num2));
+ System.out.println("差为"+(num1-num2));
+ System.out.println("乘积为"+(num1*num2));
+ System.out.println("商为"+((float)num1/num2));
+ System.out.println("余数为"+(num1%num2));
+
+
+ }
+
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/qiuyuanmianji.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/qiuyuanmianji.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b99f98009682f9dcbb94bbae848f7228f45dec72
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/qiuyuanmianji.java"
@@ -0,0 +1,23 @@
+package lession;
+
+import java.util.Scanner;
+
+public class qiuyuanmianji {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double circle;
+ double Π=3.14;
+ double r;
+ Scanner scan =new Scanner(System.in);
+
+ System.out.println("请输入一个半径");
+ r =scan.nextDouble();
+ circle = Π*(r*r);
+ System.out.println(circle);
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/siweishu.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/siweishu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..92635561a7f41ce5ec0b7e27ba1df9ca7aadd546
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\234\261\345\245\207\344\274\237/siweishu.java"
@@ -0,0 +1,26 @@
+package lession;
+
+import java.util.Scanner;
+
+public class siweishu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a;
+
+ Scanner scan =new Scanner(System.in);
+
+ System.out.println("请输入四位数");
+ a = scan.nextInt();
+ int num1 = a /1000;
+ System.out.println("该个位数为千位数"+num1);
+ int num2 = a / 100%10;
+ System.out.println("该个位数为百位数"+num2);
+ int num3 = a%100/10;
+ System.out.println("该个位数为十位数"+num3);
+ int num4 = a%1000%100%10;
+ System.out.println("该个位数为个位数"+num4);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo.java"
new file mode 100644
index 0000000000000000000000000000000000000000..222a524c545c94cc7c46d92530804fdf3b2097e7
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo.java"
@@ -0,0 +1,16 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入半径：");
+ double r=scan.nextDouble();
+ double a=3.14;
+ System.out.println("面积为"+(a*(r*r)));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo2.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cdc1dbc0af424a9ea665662364847bf2ad6e2d75
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo2.java"
@@ -0,0 +1,23 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ int num1 =10;
+ int num2 =6;
+
+ //两数之和
+ System.out.println("num1 + num2 = " + ( num1 + num2 ) );
+ //两数之差
+ System.out.println("num1 - num2 = " + ( num1 - num2 ) );
+ //两数之积
+ System.out.println("num1 * num2 = " + ( num1 * num2 ) );
+ //两数之商
+ System.out.println("num1 / num2 = " + ( num1 / num2 ) );
+ //两数之余
+ System.out.println("num1 % num2 = " + ( num1 % num2 ) );
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo3.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..50dc79a400071e1ef79836e0d917bade3de09c1c
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo3.java"
@@ -0,0 +1,15 @@
+package lession;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入华氏温度：");
+ double F=scan.nextDouble();
+ System.out.println("转换公式为"+(9*(F-32)/5));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo4.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7abb2241bfdf9da9d221c0c8bed330653ef7aa93
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\345\255\220\346\272\220/Demo4.java"
@@ -0,0 +1,20 @@
+package lession;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ int num = 1234;
+
+ int num1 = num/1000;
+ int num2 = num/100%10;
+ int num3 = num%1000%100/10;
+ int num4 = num%1000%100%10;
+
+ System.out.println(num1);
+ System.out.println(num2);
+ System.out.println(num3);
+ System.out.println(num4);
+
+ }
+}
+
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0f8cc06b0e3e92d93d5873333b26fd69144aef16
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo1.java"
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class demo1 {
+
+ public static void main(String[] args) {
+ int num1;
+ int num2;
+
+
+ Scanner scan =new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ num1=scan.nextInt();
+ System.out.println("请输入第二个数字");
+ num2=scan.nextInt();
+
+
+ System.out.println("num1+num2="+(num1+num2));
+ System.out.println("num1-num2="+(num1-num2));
+ System.out.println("num1*num2="+(num1*num2));
+ System.out.println("num1%num2="+(num1%num2));
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo2.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..15b4eb2cc6ba32ad78afacab5f265a403b4479f2
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo2.java"
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+
+public class demo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double Π=3.14;
+ int r;
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入r=");
+ r=scanner.nextInt();
+ System.out.println("圆面积等于"+Π*r*r);
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo3.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..082cd0a25f6ed509457f386d0b00d5ca0f230cac
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo3.java"
@@ -0,0 +1,22 @@
+
+public class demo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int num = 9512;
+ int num1 = num/1000;
+ int num2 = num/100%10;
+ int num3 = num/10%10;
+ int num4 = num%10;
+
+
+
+ System.out.println("用户输入的千位是="+num1);
+ System.out.println("用户输入的千位是="+num2);
+ System.out.println("用户输入的千位是="+num3);
+ System.out.println("用户输入的千位是="+num4);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo4.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..63b49b2c6c9063c799011a4064e75d362b64cebc
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\216\346\230\214\345\256\235/demo4.java"
@@ -0,0 +1,17 @@
+import java.util.Scanner;
+
+public class demo4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan= new Scanner(System.in);
+
+ System.out.println("璇疯緭鍏ョ涓涓俯搴");
+
+ double i=scan.nextInt();
+
+ System.out.println("杞崲鍚庣殑娓╁害鏄="+(9*(i-32)/5));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/F\346\270\251\345\272\246.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/F\346\270\251\345\272\246.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7cd445660586fec19c6c96ee4500287919f5af4a
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/F\346\270\251\345\272\246.java"
@@ -0,0 +1,22 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class F温度 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ float F;
+
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入华氏温度的值");
+ F=scan.nextFloat();
+
+
+ System.out.println("华氏温度换算为摄氏温度="+(double)5/9*(F-32));
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Jia\345\207\217.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Jia\345\207\217.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fd7986e7ab192a72b8d84fecd3f3c50c37b3dc79
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/Jia\345\207\217.java"
@@ -0,0 +1,31 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class 这是啥 {
+
+ public static void main(String[] args) {
+ int a;
+ int b;
+
+
+ Scanner scan=new Scanner(System.in);
+ System.out.println("a=");
+ a = scan.nextInt();
+ System.out.println("b=");
+ b =scan.nextInt();
+
+ System.out.println("a+b="+(a+b));
+
+ System.out.println("a-b="+(a-b));
+
+ System.out.println("a*b="+(a*b));
+
+ System.out.println("a/b="+(a/(float)+b));
+
+ System.out.println("a%b="+(a%b));
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/S\344\275\215\346\225\260.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/S\344\275\215\346\225\260.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9974a7b36780ad183658ec155ea4e86b1397c367
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/S\344\275\215\346\225\260.java"
@@ -0,0 +1,36 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class S位数 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a;
+
+
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入四位数字");
+ a=scan.nextInt();
+
+ int b=a/1000;
+ int c=a%1000/100;
+ int d=a/100%10;
+ int f=a%10;
+
+
+
+
+ System.out.println("千位数是"+b);
+ System.out.println("百位数是"+c);
+ System.out.println("十位数是"+d);
+ System.out.println("个位数是"+f);
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\234\206\347\232\204\351\235\242\347\247\257.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\234\206\347\232\204\351\235\242\347\247\257.java"
new file mode 100644
index 0000000000000000000000000000000000000000..20d3dc7ae8e0abffc7da13156e183b602905cbcc
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\234\206\347\232\204\351\235\242\347\247\257.java"
@@ -0,0 +1,21 @@
+package 东东;
+
+import java.util.Scanner;
+
+public class 圆的面积 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double Π=3.14;
+ int r;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入r=");
+ r=scan.nextInt();
+
+ System.out.println("圆面积="+(Π*(r*r)));
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..21d9d0e6fb7aeab616a8c9cf5693e23d75efd1eb
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo1.java"
@@ -0,0 +1,21 @@
+package md;
+
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner abc = new Scanner (System.in);
+ double a ;
+ double b ;
+
+ System.out.println("请输入摄氏度：");
+ a = abc.nextDouble();
+
+ b = a * 5 / 9 ;
+
+ System.out.println("转换为华氏度是：" + b);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo2.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c8c8488bb819d4c67c2c283f1e2a303728bc3306
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo2.java"
@@ -0,0 +1,31 @@
+package md;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ int a = 4;
+ int b = 2;
+ int c ;
+ int d ;
+ int e ;
+ int f ;
+ int g ;
+
+ c = a + b ;
+ d = a - b ;
+ e = a * b ;
+ f = a / b ;
+ g = a % b ;
+
+
+ System.out.println("和" + c);
+ System.out.println("差" + d);
+ System.out.println("积" + e);
+ System.out.println("商" + f);
+ System.out.println("余数" + g);
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo3.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..26bafc81f44c2456476763ae1fbf20c3a09dc803
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo3.java"
@@ -0,0 +1,23 @@
+package md;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ Scanner abc = new Scanner (System.in);
+
+ int a ;
+ double π = 3.14 ;
+ double b ;
+
+ System.out.println("请输入半径：");
+ a = abc.nextInt();
+
+ b = (a * a ) * π ;
+
+
+ System.out.println("圆面积是" + b);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo4.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c28cf4e36f4426155aeb4b0f4ddb5b75027ebc0c
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\235\250\345\270\206/Demo4.java"
@@ -0,0 +1,31 @@
+package md;
+
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ Scanner abc = new Scanner (System.in);
+
+ int a ;
+ int b ;
+ int c ;
+ int d ;
+ int e ;
+
+
+ System.out.println("请输入一个四位数：");
+ a = abc.nextInt();
+
+ b = a / 1000 ;
+ c = a / 100 % 10 ;
+ d = a % 100 / 10 ;
+ e = a % 10 ;
+
+ System.out.println("千位是：" + b);
+ System.out.println("百位是：" + c);
+ System.out.println("十位是：" + d);
+ System.out.println("个位是：" + e);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Exercise.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Exercise.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d474fe5712b5e649afd2f1f56503e19acaa85a5b
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Exercise.java"
@@ -0,0 +1,24 @@
+package Lession4;
+
+import java.util.Scanner;
+
+public class Exercise {
+
+ public static void main(String[] args) {
+ // TODO 求四位数
+ int number;
+ Scanner name= new Scanner (System.in);
+
+ System.out.println("请输入一个四位数");
+ number =name.nextInt();
+
+ System.out.println("输入数字的千位数"+number/1000);
+ System.out.println("输入数字的百位数"+number%1000/100);
+ System.out.println("输入数字的十位数"+number%100/10);
+ System.out.println("输入数字的个位数"+number%10);
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Exercise1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Exercise1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..578771d5a08e8d5f65c891fec05d7683459cc87e
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Exercise1.java"
@@ -0,0 +1,22 @@
+package Lession4;
+
+import java.util.Scanner;
+
+public class Exercise1 {
+
+ public static void main(String[] args) {
+ // TODO 园半径
+ double r;
+ double Π = 3.14;
+
+ Scanner name = new Scanner (System.in);
+
+ System.out.println("请输入圆的半径");
+ r = name.nextDouble();
+
+ System.out.println(Π*(r*r));
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Exercise2.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Exercise2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b7c83260799d1e0d4e14694f1e72faeb302bd501
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Exercise2.java"
@@ -0,0 +1,19 @@
+package Lession4;
+
+import java.util.Scanner;
+//温度转换
+public class Exercise2 {
+ public static void main(String[] args) {
+ double F;
+ double C;
+
+ Scanner liang=new Scanner(System.in);
+
+ System.out.println("请输入要转换的华氏温度");
+ F =liang.nextDouble();
+ C=(5/9.0)*(F-32);
+ System.out.println("转换后的摄氏度"+C);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Work1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Work1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5439b8b7702fe8282d322e5ba6a7cd5d20e12ee1
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\242\201\345\220\257\351\221\253/Work1.java"
@@ -0,0 +1,29 @@
+package Lession4;
+
+import java.util.Scanner;
+
+public class Work1 {
+
+ public static void main(String[] args) {
+ // TODO 加减乘除余
+ int number1;
+ int number2;
+
+ Scanner liang =new Scanner (System.in);
+
+ System.out.println("请输入第一个值");
+ number1 =liang.nextInt();
+ System.out.println("请输入第二个值");
+ number2 =liang.nextInt();
+
+ System.out.println("number1+number2"+(number1+number2));
+ System.out.println("number1-number2"+(number1-number2));
+ System.out.println("number1*number2"+(number1*number2));
+ System.out.println("number1/number2"+(number1/(double)number2));
+ System.out.println("number1%number2"+(number1%number2));
+
+
+ }
+
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..47ed4b174df6786fd2e54c45dfb294b2ded13b92
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_1.java"
@@ -0,0 +1,26 @@
+package com.cd.less1;
+
+import java.util.Scanner;
+
+public class Less_1 {
+
+ public static void main(String[] args) {
+
+ int num1;
+ int num2;
+ int sum;
+
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个值");
+ num1= scan.nextInt();
+ System.out.println("请输入第二个值");
+ num2 = scan.nextInt();
+ System.out.println("num1 - num2的值差是" + (num1 - num2) );
+ System.out.println("num1 * num2的值是" + (num1 * num2) );
+ System.out.println("num1 / num2的值是" + (num1 /(float)num2) );
+ System.out.println("num1 + num2的值差是" + (num1 + num2) );
+ System.out.println("num1 % num2的值差是" + (num1 % num2) );
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_2.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ef9957fddbe83d2c2337e77e509c85170e62f1e4
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_2.java"
@@ -0,0 +1,27 @@
+package com.cd.less1;
+
+import java.util.Scanner;
+
+public class Less_2 {
+
+ public static void main(String[] args) {
+
+ int num1=10;
+ num1 +=5;
+ System.out.println(num1);
+ num1 /=3;
+ System.out.println(num1);
+ num1 -=3;
+ System.out.println(num1);
+ num1 %=3;
+ System.out.println(num1);
+ num1 *=3;
+
+
+
+ Scanner scan = new Scanner(System.in);
+
+
+ }
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_3.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..65e1d9439ca4e40c8e1058d2313fe30c3f3f9ad8
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_3.java"
@@ -0,0 +1,15 @@
+package com.cd.less1;
+
+public class Less_3 {
+ public static void main(String[] args) {
+ int num1=20;
+ num1 ++;
+ System.out.println(num1);
+ ++num1;
+ System.out.println(num1);
+ num1 --;
+ System.out.println(num1);
+ --num1;
+ System.out.println(num1);
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_4.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..72b39657fb7d28d9266358213b189dceb143b079
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_4.java"
@@ -0,0 +1,15 @@
+package com.cd.less1;
+
+import java.util.Scanner;
+
+public class Less_4 {
+ public static void main(String[] args) {
+ double num1=3.14;
+ int num2;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入半径R值：");
+ num2= scan.nextInt();
+ System.out.println("圆的面积：" + num1*(float)num2 * num2);
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_5.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..595053c160f67e7fc104c3316d88edc6a7582805
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_5.java"
@@ -0,0 +1,16 @@
+package com.cd.less1;
+
+import java.util.Scanner;
+
+public class Less_5 {
+ public static void main(String[] args) {
+ int sum;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个四位数");
+ sum=scan.nextInt();
+ System.out.println("千位数是"+sum/1000);
+ System.out.println("百位数是"+sum/100%10);
+ System.out.println("十位数是"+sum/10%100%10);
+ System.out.println("个位数是"+sum%10);
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_6.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_6.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5beef0e2be25bf60a13412b29a3c1b1c48ed4052
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\346\270\251\345\271\277\347\224\2373/Less_6.java"
@@ -0,0 +1,15 @@
+package com.cd.less1;
+
+import java.util.Scanner;
+
+public class Less_6 {
+ public static void main(String[] args) {
+ double num1;
+ double num2;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个华氏温度");
+ num1=scan.nextDouble();
+ System.out.println(num2 = 5 / (float)9 * ( num1 -32 ));
+
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Exercise.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Exercise.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d474fe5712b5e649afd2f1f56503e19acaa85a5b
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Exercise.java"
@@ -0,0 +1,24 @@
+package Lession4;
+
+import java.util.Scanner;
+
+public class Exercise {
+
+ public static void main(String[] args) {
+ // TODO 求四位数
+ int number;
+ Scanner name= new Scanner (System.in);
+
+ System.out.println("请输入一个四位数");
+ number =name.nextInt();
+
+ System.out.println("输入数字的千位数"+number/1000);
+ System.out.println("输入数字的百位数"+number%1000/100);
+ System.out.println("输入数字的十位数"+number%100/10);
+ System.out.println("输入数字的个位数"+number%10);
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Exercise1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Exercise1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..578771d5a08e8d5f65c891fec05d7683459cc87e
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Exercise1.java"
@@ -0,0 +1,22 @@
+package Lession4;
+
+import java.util.Scanner;
+
+public class Exercise1 {
+
+ public static void main(String[] args) {
+ // TODO 园半径
+ double r;
+ double Π = 3.14;
+
+ Scanner name = new Scanner (System.in);
+
+ System.out.println("请输入圆的半径");
+ r = name.nextDouble();
+
+ System.out.println(Π*(r*r));
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Exercise2.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Exercise2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b7c83260799d1e0d4e14694f1e72faeb302bd501
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Exercise2.java"
@@ -0,0 +1,19 @@
+package Lession4;
+
+import java.util.Scanner;
+//温度转换
+public class Exercise2 {
+ public static void main(String[] args) {
+ double F;
+ double C;
+
+ Scanner liang=new Scanner(System.in);
+
+ System.out.println("请输入要转换的华氏温度");
+ F =liang.nextDouble();
+ C=(5/9.0)*(F-32);
+ System.out.println("转换后的摄氏度"+C);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Work1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Work1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5439b8b7702fe8282d322e5ba6a7cd5d20e12ee1
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\206\212\344\273\201\345\274\272/Work1.java"
@@ -0,0 +1,29 @@
+package Lession4;
+
+import java.util.Scanner;
+
+public class Work1 {
+
+ public static void main(String[] args) {
+ // TODO 加减乘除余
+ int number1;
+ int number2;
+
+ Scanner liang =new Scanner (System.in);
+
+ System.out.println("请输入第一个值");
+ number1 =liang.nextInt();
+ System.out.println("请输入第二个值");
+ number2 =liang.nextInt();
+
+ System.out.println("number1+number2"+(number1+number2));
+ System.out.println("number1-number2"+(number1-number2));
+ System.out.println("number1*number2"+(number1*number2));
+ System.out.println("number1/number2"+(number1/(double)number2));
+ System.out.println("number1%number2"+(number1%number2));
+
+
+ }
+
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\2361/\345\212\240\345\207\217\344\271\230\351\231\244.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\2361/\345\212\240\345\207\217\344\271\230\351\231\244.java"
new file mode 100644
index 0000000000000000000000000000000000000000..eb3855a17400b7754cc393ec8f1259b38f9902b6
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\2361/\345\212\240\345\207\217\344\271\230\351\231\244.java"
@@ -0,0 +1,26 @@
+package sadsad;
+
+import java.util.Scanner;
+
+public class sadsa {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int num1;
+ int num2;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入第一个数字");
+ num1 = scan.nextInt();
+ System.out.println("请输入第二个数字");
+ num2 = scan.nextInt();
+
+ System.out.println("输入的两个数字的和是 " + (num1+num2));
+ System.out.println("输入的两个数字的相减是 " + (num1-num2));
+ System.out.println("输入的两个数字的积是 " + (num1*num2));
+ System.out.println("输入的两个数字的除数是" + ((float)num1/num2));
+ System.out.println("输入的两个数字的商是= " + (num1%num2));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\2361/\345\215\216\346\260\217\346\221\204\346\260\217\345\272\246.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\2361/\345\215\216\346\260\217\346\221\204\346\260\217\345\272\246.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a83e9f3fc23d3bc1a010ebc4494408c296fb112e
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\2361/\345\215\216\346\260\217\346\221\204\346\260\217\345\272\246.java"
@@ -0,0 +1,21 @@
+package sadsad;
+
+import java.util.Scanner;
+
+public class Class2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double c;
+ double f;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("华氏摄氏度为：");
+ f = scan.nextDouble();
+ System.out.println("c =" + (double)5/9*(f-32));
+
+
+ }
+ }
+
+
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\2361/\345\233\233\344\275\215\346\225\260.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\2361/\345\233\233\344\275\215\346\225\260.java"
new file mode 100644
index 0000000000000000000000000000000000000000..40f5c61858f0691aa2fcd3d5649d042fa9e2ed48
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\2361/\345\233\233\344\275\215\346\225\260.java"
@@ -0,0 +1,18 @@
+package sadsad;
+
+import java.util.Scanner;
+
+public class 四位数 {
+
+ public static void main(String[] args) {
+ int num;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入四位数：");
+ num = scan.nextInt();
+ System.out.println("千位数为：" + num/1000);
+ System.out.println("百位数为：" + num/100%10);
+ System.out.println("十位数为：" + num%100%100/10);
+ System.out.println("个位数为：" + num%10);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\2361/\346\261\202\345\234\206\351\235\242\347\247\257.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\2361/\346\261\202\345\234\206\351\235\242\347\247\257.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d435af1185f2022202cb7cc35bd2864c1b57b169
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\216\213\351\200\270\351\243\2361/\346\261\202\345\234\206\351\235\242\347\247\257.java"
@@ -0,0 +1,22 @@
+package sadsad;
+
+import java.util.Scanner;
+
+public class Class1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double r;
+ double pai=3.14;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入圆的半径");
+ r = scan.nextDouble();
+
+ System.out.println("圆的面积为");
+ double d=r*r;
+ System.out.println("pai*d ="+ (pai*d));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DEMO1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DEMO1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f10fb91792f14382122d1a4118f6cd377f0e1969
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DEMO1.java"
@@ -0,0 +1,26 @@
+package fang;
+
+import java.util.Scanner;
+
+public class DEMO1{
+
+ public static void main(String[] args) {
+ Scanner scan = new Scanner(System.in);
+ int a ;
+ int b;
+ float sum;
+ System.out.println("请输入第一个数字");
+ a=scan.nextInt();
+ System.out.println("请输入第二个数字");
+ b=scan.nextInt();
+ //乘;
+ System.out.println("乘"+(a*b));
+ System.out.println("除"+(a/b));
+ System.out.println("加"+(a+b));
+ System.out.println("减"+(a-b));
+ System.out.println("余"+(a%b));
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DEMO2.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DEMO2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fc1e4c699dab362318e8467ee1525a3db08510e5
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DEMO2.java"
@@ -0,0 +1,16 @@
+package fang;
+
+import java.util.Scanner;
+
+public class DEMO2 {
+
+ public static void main(String[] args) {
+ Scanner scan= new Scanner(System.in);
+ System.out.println("请输入半径");
+ double r=scan.nextDouble();
+ double a= 3.14;
+ System.out.println("面积为"+(a*(r*r)));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DEMO3.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DEMO3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6c9d151e01468f5f34d98f5969f63e9d4c4deb0d
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DEMO3.java"
@@ -0,0 +1,16 @@
+package fang;
+
+import java.util.Scanner;
+
+public class DEMO3 {
+
+ public static void main(String[] args) {
+ Scanner scan= new Scanner(System.in);
+ System.out.println("长");
+ double a=scan.nextDouble();
+ System.out.println("宽");
+ double b=scan.nextDouble();
+ System.out.println("面积"+(a*b));
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DEMO4.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DEMO4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a7ee81e75d31b6ad0601619ac62c057e6deab8bd
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DEMO4.java"
@@ -0,0 +1,21 @@
+package fang;
+
+import java.util.Scanner;
+
+public classDEMO4 {
+
+ public static void main(String[] args) {
+ Scanner scan= new Scanner(System.in);
+ System.out.println("请输入一个四位数的数字");
+ int a=scan.nextInt();
+ int a1=a/1000;
+ System.out.println("千位为"+a1);
+ int a2=a%1000/100;
+ System.out.println("百位位"+a2);
+ int a3=a%1000/10%10;
+ System.out.println("十位数"+a3);
+ int a4=a%1000%10;
+ System.out.println("个位数"+a4);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DEMO5.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DEMO5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2b5e5d4ca0006f5ee8cd2d3529635b2d2116e72a
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\347\275\227\346\265\252\345\255\220/DEMO5.java"
@@ -0,0 +1,14 @@
+package fang;
+
+import java.util.Scanner;
+
+public class DEMO5 {
+
+ public static void main(String[] args) {
+ Scanner scan= new Scanner(System.in);
+ System.out.println("请输入华氏度");
+ double i=scan.nextInt();
+ System.out.println("摄氏度为"+(9*(i-32)/5));
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Domo3.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Domo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..484e5c81828671f36479ccd039c4e697d5939f38
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Domo3.java"
@@ -0,0 +1,19 @@
+package com.cd.less;
+
+import java.util.Scanner;
+
+public class Domo3 {
+
+ public static void main(String[] args) {
+
+ int num1;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个千位数");
+ num1= scan.nextInt();
+ System.out.println("这个千位数的千位是"+(num1/1000));
+ System.out.println("这个千位数的百位是"+(num1%1000/100));
+ System.out.println("这个千位数的十位是"+(num1%1000%100/10));
+ System.out.println("这个千位数的个位是"+(num1%1000%100%10));
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Domo4.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Domo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0a863e6a797033a707c9352ba53b24980c825ba0
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Domo4.java"
@@ -0,0 +1,17 @@
+package com.cd.less;
+
+import java.util.Scanner;
+
+public class Domo4 {
+
+ public static void main(String[] args) {
+ double num1=3.14;
+ int num2;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入半径");
+ num2= scan.nextInt();
+ System.out.println("这个圆的面积是" +(num1*(float)num2*num2));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Less.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Less.java"
new file mode 100644
index 0000000000000000000000000000000000000000..03ab2e515b326e2a14ceaf255fc123922d6a34a4
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Less.java"
@@ -0,0 +1,16 @@
+package com.cd.less;
+
+import java.util.Scanner;
+
+public class Less {
+
+ public static void main(String[] args) {
+ double num1;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入华式温度");
+ num1= scan.nextDouble();
+ System.out.println("转换为摄氏度" +((num1-32)/1.8));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Less_1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Less_1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5e62a129fe2af7442204b88a2103d4443a02dfa3
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\221\243\344\270\226\351\276\231/Less_1.java"
@@ -0,0 +1,21 @@
+package com.cd.less;
+
+import java.util.Scanner;
+
+public class Less_1 {
+ public static void main(String[] args) {
+
+ int num1;
+ int num2;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入第一个值");
+ num1= scan.nextInt();
+ System.out.println("请输入第二个值");
+ num2= scan.nextInt();
+ System.out.println("num1+num2的值等于" +(num1+ num2));
+ System.out.println("num1*num2的值等于" +(num1* num2));
+ System.out.println("num1/num2的值等于" +(num1/ num2));
+ System.out.println("num1-num2的值等于" +(num1- num2));
+ }
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Hushi.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Hushi.java"
new file mode 100644
index 0000000000000000000000000000000000000000..6e9ad0a72152f74b2dfec735370b65545f8300cf
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Hushi.java"
@@ -0,0 +1,16 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Hushi {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("华氏温度为多少时");
+ double a =scanner.nextFloat();
+ double c =((double)5*(a-32)/9);
+ System.out.println("摄氏温度为"+c);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Jixcy.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Jixcy.java"
new file mode 100644
index 0000000000000000000000000000000000000000..11cc9e2bda4179e1cd243a834bf243c6bddb2ad3
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Jixcy.java"
@@ -0,0 +1,31 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Jixcy {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入A=");
+ System.out.println("请输入B=");
+
+ int a = scanner.nextInt();
+ int b = scanner.nextInt();
+
+
+ System.out.println("a+b="+(a+b));
+
+ System.out.println("a-b="+(a-b));
+
+ System.out.println("a*b="+(a*b));
+
+ System.out.println("a/b="+((float)a/b));
+
+ System.out.println("a%b="+(a%b));
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Yuan.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Yuan.java"
new file mode 100644
index 0000000000000000000000000000000000000000..623419a3b9f8d90c42b1ada15078fee9072c61af
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/Yuan.java"
@@ -0,0 +1,17 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Yuan {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入半径");
+
+ double a = 3.14;
+ double b = scanner.nextInt();
+ System.out.println("园的面积为"+(a*(b*b)));
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/yushu.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/yushu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4339b763b241eb675ec94e5e21b1b012a8cf80a1
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\344\270\234\347\224\237/yushu.java"
@@ -0,0 +1,24 @@
+package asdf;
+
+import java.util.Scanner;
+
+public class Yushu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入4位整数");
+ int a =scanner.nextInt();
+
+ int b = a/1000;
+ int c = a/100%10;
+ int d = a/10%10;
+ int e = a/1%10;
+ System.out.println("千位为"+b);
+ System.out.println("百位为"+c);
+ System.out.println("十位为"+d);
+ System.out.println("个位为"+e);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession04/DEmo02.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession04/DEmo02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b57202434e7915db66b63614abc0d49ff4496375
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession04/DEmo02.java"
@@ -0,0 +1,17 @@
+package lession04;
+
+import java.util.Scanner;
+
+public class DEmo02 {
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入华氏温度");
+ double F=scanner.nextDouble();
+ double C=(F-32)*((double)5/9);
+ System.out.println("结果如下：");
+ System.out.println("你输入的华氏度为："+F);
+ System.out.println("摄氏度温度为："+C);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession04/Demo01.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession04/Demo01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..37eadfaa86748e404551fe6b42f1842bff8a1035
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession04/Demo01.java"
@@ -0,0 +1,18 @@
+package lession04;
+
+import java.util.Scanner;
+
+public class Demo01 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入圆半径的值");
+ double R=scanner.nextDouble();
+ double π=3.14;
+ System.out.println("结果如下：");
+ double S=π*(R*R);
+ System.out.println("S="+S);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession04/Demo03.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession04/Demo03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..29203e7a394b010be825ca92564f68626c426731
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession04/Demo03.java"
@@ -0,0 +1,23 @@
+package lession04;
+
+import java.util.Scanner;
+
+public class Demo03 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("请输入一个四位数的整数");
+ int ok=scanner.nextInt();
+ int a=ok/1000;
+ int b=ok/100%10;
+ int c=ok%1000%100/10;
+ int d=ok%1000%100%10;
+ System.out.println("整数："+ok);
+ System.out.println("千位："+a);
+ System.out.println("百位："+b);
+ System.out.println("十位："+c);
+ System.out.println("个位："+d);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession04/Demo04.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession04/Demo04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2e1d1037df32ae853a8c42dd10218c970fed9785
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\224\241\345\256\227\351\225\207/lession04/Demo04.java"
@@ -0,0 +1,26 @@
+package lession04;
+
+import java.util.Scanner;
+
+public class Demo04 {
+
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner(System.in);
+ int a ;
+ int b;
+
+ System.out.println("请输入你的第一个数");
+ a=scanner.nextInt();
+
+ System.out.println("请输入您的第二个数");
+ b=scanner.nextInt();
+ System.out.println("你的结果如下：");
+ System.out.println("a+b="+(a+b));
+ System.out.println("a-b="+(a-b));
+ System.out.println("a*b="+(a*b));
+ System.out.println("a/b="+(a/b));
+ System.out.println("a%b="+(a%b));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/CY.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/CY.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2b29c63441c7f6057a29b1060962ec06bf1a2537
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/CY.java"
@@ -0,0 +1,26 @@
+import java.util.Scanner;
+
+public class CY {
+
+ public static void main(String[] args) {
+ int a;
+ int a1;
+ int a2;
+ int a3;
+ int a4;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入一个数");
+ a = scan.nextInt();
+
+ a1 = a / 1000;
+ System.out.println("万位="+ a1);
+ a2 = a/100%10;
+ System.out.println("千位="+ a2);
+ a3 = a%1000%100/10;
+ System.out.println("百位="+ a3);
+ a4 = a%1000%100%10;
+ System.out.println("个位="+ a4);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/SS.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/SS.java"
new file mode 100644
index 0000000000000000000000000000000000000000..44ba12d488e3f7e093a0a32f9d4d1783de771775
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/SS.java"
@@ -0,0 +1,28 @@
+import java.util.Scanner;
+
+public class SS {
+
+ public static void main(String[] args) {
+ int a;
+ int b;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入第一个数");
+ a = scan.nextInt();
+ System.out.println("请输入第二个数");
+ b = scan.nextInt();
+ int sun = a + b;
+ int sun1 = a - b ;
+ int sun2 = a * b ;
+ int sun3 = a / b ;
+ int sun4 = a % b ;
+
+
+ System.out.println("a+b="+sun);
+ System.out.println("a-b="+sun1);
+ System.out.println("a*b="+sun2);
+ System.out.println("a/b="+sun3);
+ System.out.println("a%b="+sun4);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/WD.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/WD.java"
new file mode 100644
index 0000000000000000000000000000000000000000..319dfa83a3293fcb79b24cd6bfe1271ee714ba6d
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/WD.java"
@@ -0,0 +1,17 @@
+import java.util.Scanner;
+
+public class WD {
+
+ public static void main(String[] args) {
+ double f;
+ double c;
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入华氏温度");
+ f = scan.nextDouble();
+ c = (double)5/9*(f-32);
+ System.out.println("摄氏温度="+c);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Yuan.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Yuan.java"
new file mode 100644
index 0000000000000000000000000000000000000000..18ac2855c40cce7d68c075757270ea03512c739b
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/Yuan.java"
@@ -0,0 +1,18 @@
+import java.util.Scanner;
+
+public class Yuan {
+
+ public static void main(String[] args) {
+ double r;
+ double Π = 3.14;
+ double p;
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入半径");
+ r =scan.nextDouble();
+ p =Π*(r*r);
+ System.out.println("圆的面积="+p);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..27687aa6e1a868c2465b5c4ba264e9213bc793de
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo1.java"
@@ -0,0 +1,15 @@
+package com.md.lession4;
+
+import java.util.Scanner;
+
+public class Demo1 {
+ public static void main(String[] args) {
+ double Π= 3.14;
+ int r;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入r的值 ：");
+ r = scan.nextInt();
+ System.out.println("Π的平方为：" + (r*r)*Π);
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo2.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c239778f632317abe3e4ce9436fba69b5d0c46ad
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo2.java"
@@ -0,0 +1,19 @@
+package com.md.lession4;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a,b;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入长方形的长：");
+ a = scan.nextInt();
+ System.out.println("请输入长方形的宽：");
+ b = scan.nextInt();
+ System.out.println("长方形的面积为 ："+ (a*b));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo4.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4278b58fb221b097607d12955ff0e97033a0e34c
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Demo4.java"
@@ -0,0 +1,24 @@
+package com.md.lession4;
+
+import java.util.Scanner;
+
+public class Demo4 {
+ public static void main(String[] args) {
+ int a,b,c,d,e;
+
+ Scanner scan =new Scanner(System.in);
+ System.out.println("请用户输入四位数数字：");
+ a = scan .nextInt();
+ b=a/1000;
+ c=a%1000/100;
+ d=a/100%10;
+ e=a%10;
+ System.out.println("这个数字的千位数为：" + b);
+ System.out.println("这个数字的百位数为：" + c);
+ System.out.println("这个数字的十位数为：" + d);
+ System.out.println("这个数字的个位数为：" + e);
+
+
+
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Dmeo3.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Dmeo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7594a8b9db3dea06852ea94be3df05a7bcc39b94
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Dmeo3.java"
@@ -0,0 +1,18 @@
+package com.md.lession4;
+
+import java.util.Scanner;
+
+public class Dmeo3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double F;
+ double C;
+ Scanner scan =new Scanner(System.in);
+ System.out.println("请输入一个华氏摄氏度：");
+ F =scan.nextInt();
+ System.out.println("摄氏温度为：" + ((C=(double)5/9*(F-32))));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Xzrs.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Xzrs.java"
new file mode 100644
index 0000000000000000000000000000000000000000..96d9ad8f2c9df3af5326048c648450d50371456f
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\256\270\350\207\252\346\246\225/Xzrs.java"
@@ -0,0 +1,26 @@
+package com.md.lession4;
+
+import java.util.Scanner;
+
+public class Xzrs {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a, b ;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入第一个数字 ");
+ a = scan.nextInt();
+ System.out.println("请输入第二数字 ");
+ b = scan.nextInt();
+ System.out.println("他们的和为： " + (a + b));
+ System.out.println("他们的乘法值为： "+ (a * b));
+ System.out.println("他们的除法值为： "+ (a / b));
+ System.out.println("他们的余数值为： "+ (a % b));
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Lesson2.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Lesson2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2a278d09a961727f1579508390b657fea68e7eaf
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Lesson2.java"
@@ -0,0 +1,28 @@
+package demo;
+
+import java.util.Scanner;
+
+public class Lesson2 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner (System.in);
+
+ int num1;
+ int num2;
+
+ System.out.println("请输入数字1");
+ num1 =scanner.nextInt();
+ System.out.println("请输入数字2");
+ num2 =scanner.nextInt();
+
+ System.out.println("num1 + num2 ="+ (num1 + num2));
+
+ System.out.println("num1 * num2 ="+ (num1 * num2));
+ System.out.println("num1 - num2 ="+ (num1 - num2));
+ System.out.println("num1 / num2 ="+ (num1 / (float)num2));
+ System.out.println("num1 % num2 ="+ (num1 % num2));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Lesson3.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Lesson3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c07cbfe02b7516289359ff03ef831bc84d9d8ad5
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Lesson3.java"
@@ -0,0 +1,30 @@
+package demo;
+
+import java.util.Scanner;
+
+public final class Lesson3 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ Scanner scanner = new Scanner(System.in);
+ double num1;
+ double num2 = 3.14;
+
+ System.out.println("请输入半径");
+ num1 = scanner.nextDouble();
+
+ double num3 = num1 * num1;
+ double sum = num3 * num2;
+
+
+ System.out.println(sum);
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Lesson4.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Lesson4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f0b550bb5ef0f873849fc4aeb5a0bd53499ad426
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Lesson4.java"
@@ -0,0 +1,25 @@
+package demo;
+
+import java.util.Scanner;
+
+public class Lesson4 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scanner = new Scanner(System.in);
+ double num1;
+ System.out.println("请输入华氏温度");
+ num1 = scanner.nextDouble();
+ double num2 = 5;
+ double num3 = 9;
+ int num6 = 32;
+ double num4 = num2 / num3;
+ double num5 = num1 - num6;
+ double sum = num4 * num5;
+
+ System.out.println(sum);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Lesson5.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Lesson5.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c464a4504138b661c8aee1098299653384165011
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\350\265\265\345\230\211\351\252\217/Lesson5.java"
@@ -0,0 +1,21 @@
+package demo;
+
+public class Lesson5 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int num = 5632;
+
+ int num1 = num/1000;
+ int num2 = num/100%10;
+ int num3 = num%1000%100/10;
+ int num4 = num%1000%100%10;
+ System.out.println(num1);
+ System.out.println(num2);
+ System.out.println(num3);
+ System.out.println(num4);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Lianxi1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Lianxi1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..57ac72fc966bdf2423792d9865af7063afa37dd4
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/Lianxi1.java"
@@ -0,0 +1,34 @@
+package sf;
+
+import java.util.Scanner;
+
+public class lianxi1 {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double a;
+ double b;
+ double c;
+ double d;
+ double e;
+ double f;
+ double h;
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入第一个值:");
+ a=scan.nextDouble();
+ System.out.println("请输入第二个值:");
+ b=scan.nextDouble();
+ c=a-b;
+ d=a+b;
+ e=a*b;
+ f=a/b;
+ h=a%b;
+ System.out.println("差:"+c);
+ System.out.println("和:"+d);
+ System.out.println("积:"+e);
+ System.out.println("商:"+f);
+ System.out.println("余:"+h);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/QuYu.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/QuYu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1e9aff9f5d17fd6c6ac5f878fe6657d7bef43465
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/QuYu.java"
@@ -0,0 +1,17 @@
+
+public class QuYu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int a=5632;
+ int num1=a/1000;
+ int num2=a%1000/100;
+ int num3=a%100/10;
+ int num4=a%10;
+ System.out.println("千位数是"+num1);
+ System.out.println("百位数是"+num2);
+ System.out.println("十位数是"+num3);
+ System.out.println("个位数是"+num4);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/WenD.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/WenD.java"
new file mode 100644
index 0000000000000000000000000000000000000000..014ee4f1b1385986f8b8284895d009fcdd2d4cff
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/WenD.java"
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+
+public class WenD {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double num1;
+ double a=5;
+ double b=9;
+ double num3=a/b;
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入华氏温度");
+ num1=scan.nextDouble();
+ double num4=num1-32;
+ double num2=num3*num4;
+ System.out.println("摄氏温度为:"+num2);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/YuanS.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/YuanS.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f269ab3bd6c82287e7e3b22ab8eb869b6187bf88
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\202\271\346\265\267\345\205\265/YuanS.java"
@@ -0,0 +1,17 @@
+package lianxi2;
+
+import java.util.Scanner;
+
+public class YuanS {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double Π=3.14;
+ double r;
+ System.out.println("请输入圆的半径：");
+ Scanner scan=new Scanner(System.in);
+ r=scan.nextDouble();
+ System.out.println("圆的的面积："+r*Π*r);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Huashidu.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Huashidu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a33bd2aab6c7ed97c7f23af2d0b54c3ca374d83a
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Huashidu.java"
@@ -0,0 +1,26 @@
+package lesson4;
+
+import java.util.Scanner;
+
+public class Huashidu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int cc1=5;
+ int cc2=9;
+ int cc3=32;
+ double cc4;
+
+ Scanner wd=new Scanner(System.in);
+ System.out.println("请输入华摄氏度值F：");
+ cc4=wd.nextDouble();
+ System.out.println("华氏摄氏转换计算结果为：");
+ System.out.println(cc1/cc2*(cc4-cc3));
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Jisuan.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Jisuan.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8c585eb10215d775e9e809f4494a07fd25ce211d
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Jisuan.java"
@@ -0,0 +1,32 @@
+package lesson4;
+
+import java.util.Scanner;
+
+public class Jisuan {
+
+ public static void main(String[] args) {
+ int nmb1;
+ int nmb2;
+
+ Scanner scan=new Scanner(System.in);
+ System.out.println("请输入数据");
+ System.out.println("请输入数字1：");
+ nmb1=scan.nextInt();
+ System.out.println("请输入数字2：");
+ nmb2=scan.nextInt();
+ System.out.println("计算结果分别为：");
+
+
+ System.out.println("nmb1+nmb2="+(nmb1+nmb2));
+ System.out.println("nmb1-nmb2="+(nmb1-nmb2));
+ System.out.println("nmb1*nmb2="+(nmb1*nmb2));
+ System.out.println("nmb1/nmb2="+(nmb1/(double)nmb2));
+ System.out.println("nmb1%nmb2="+(nmb1%nmb2));
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Jisuanyuan.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Jisuanyuan.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7cb9bf1cbccbd92db0007022de7f80f0e9f5f675
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Jisuanyuan.java"
@@ -0,0 +1,23 @@
+package lesson4;
+
+import java.util.Scanner;
+
+public class Jisuanyuan {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double y1;
+ double y2=3.14;
+ Scanner yuan=new Scanner(System.in);
+
+ System.out.println("请输入半径：");
+ y1=yuan.nextDouble();
+ System.out.println("输出结果为:");
+ System.out.println((y1*y1)*y2);
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Siweishu.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Siweishu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..80413c12b8658238b83cc6dc38e38eef40c2dcb0
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/Siweishu.java"
@@ -0,0 +1,28 @@
+package lesson4;
+
+import java.util.Scanner;
+
+public class Siweishu {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int ss;
+ System.out.println("请输入四位数：");
+ Scanner sx=new Scanner(System.in);
+ ss=sx.nextInt();
+
+ int ss1=ss%10;//个位数
+ int ss2=ss%100/10;//十位数
+ int ss3=ss%1000/100;//百位数
+ int ss4=ss/1000;//千位数
+
+ System.out.println("结果为：");
+ System.out.println("个位数为："+ss1);
+ System.out.println("十位数为："+ss2);
+ System.out.println("百位数为："+ss3);
+ System.out.println("千位数为："+ss4);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Lession.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Lession.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7cffdcdfd8a1dee1e885c35672ebea5a928c15b1
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Lession.java"
@@ -0,0 +1,29 @@
+package Lession;
+
+import java.util.Scanner;
+
+public class Lession {
+ public static void main(String[] args) {
+ int a;
+ int b;
+
+ Scanner scanner=new Scanner (System.in);
+
+ System.out.println("请输入第一位数：");
+ a=scanner.nextInt();
+ System.out.println("请输入第二位数：");
+ b=scanner.nextInt();
+
+ int c=a+b;
+ System.out.println("二位数的和为"+c);
+ int d=a-b;
+ System.out.println("二位数的差为"+d);
+ int e=a*b;
+ System.out.println("二位数的积为"+e);
+ float f=(float)a/b;
+ System.out.println("二位数的商为"+f);
+ int g=a%b;
+ System.out.println("二位数的余为"+g);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Lession02.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Lession02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4e43945d656fec601248ae771270de4e8e127512
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Lession02.java"
@@ -0,0 +1,24 @@
+package Lession;
+
+import java.util.Scanner;
+
+public class Lession02 {
+ public static void main(String[] args) {
+ /*瑕佹眰鐢ㄦ埛杈撳叆鍗婂緞鐨勫硷紝鎵撳嵃鍑轰互姝ゅ间负鍗婂緞鐨勫渾鐨勯潰绉
+ 姹傚渾鐨勯潰绉殑鍏紡锛毾r虏銆
+ 蟺鍙3.14銆
+ r鐢辩敤鎴疯緭鍏ュ苟瀛樺叆涓涓彉閲忎腑锛屾鍙橀噺鐢╠ouble姣旇緝鍚堥傦紝鍥犱负鐢ㄦ埛鍙兘浼氳緭鍏ュ皬鏁般
+*/
+ float 蟺=(float)3.14;
+ double a;
+ Scanner scanner=new Scanner(System.in);
+ System.out.println("璇疯緭鍏鐨勫硷細");
+ double r=scanner.nextDouble();
+ a=(蟺*(r*r));
+ System.out.println("璇ュ渾褰㈢殑闈㈢Н涓猴細"+a);
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Lession03.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Lession03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..92e9e0c6948cf12c10899b34e7b668e491dbd02f
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Lession03.java"
@@ -0,0 +1,28 @@
+package Lession;
+
+import java.util.Scanner;
+
+public class Lession03 {
+ public static void main(String[] args) {
+ Scanner scanner=new Scanner (System.in);
+ int a;//5050
+ System.out.println("请输入一个四位的数字：");
+ a=scanner.nextInt();
+
+ int num1=a/1000;
+ int num2=a/100-num1*10;
+ int num3=a/10%10;
+ int num4=a%10;
+
+
+
+
+ System.out.println("千位的数字是："+num1);
+ System.out.println("百位的数字是："+num2);
+ System.out.println("十位的数字是："+num3);
+ System.out.println("个位的数字是："+num4);
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Lession04.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Lession04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e02e9c5cdf2e47b9146a1371d75eb5f1140537c1
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\231\210\350\203\234\346\235\260/Lession04.java"
@@ -0,0 +1,20 @@
+package Lession;
+
+import java.util.Scanner;
+
+public class Lession04 {
+ public static void main(String[] args) {
+ float f;
+ float c;
+
+ Scanner scanner=new Scanner (System.in);
+ System.out.println("请输入华氏温度：");
+ f=scanner.nextFloat();
+ c=(float)5/(float)9*(float)(f-32);
+ System.out.println("转换后的温度为："+c);
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/c4+Demo1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/c4+Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7146a9b5e1b2e6cca0dd25179539e9c2ac9e7e09
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/c4+Demo1.java"
@@ -0,0 +1,21 @@
+package kkk;
+
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+
+ Scanner scanner = new Scanner(System.in);
+
+ int n1;
+ int n2;
+ n1 = scanner.nextInt();
+ n2 = scanner.nextInt();
+ System.out.println("n1+n2="+(n1+n2));
+ System.out.println("n1-n2="+(n1-n2));
+ System.out.println("n1*n2="+(n1*n2));
+ System.out.println("n1/n2="+(n1/n2));
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/c4+Demo2.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/c4+Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f6e89b33ae122746a07592804f04dc9df8664e87
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/c4+Demo2.java"
@@ -0,0 +1,17 @@
+package kkk;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ double R;
+ double π = 3.14;
+ System.out.println("请输入圆的半径：");
+ R = scanner.nextInt();
+ System.out.println("圆的面积为"+(π*(R*R)));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/c4+Demo3.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/c4+Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..780618bb8004351025eeaa999f3809f051497666
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/c4+Demo3.java"
@@ -0,0 +1,17 @@
+package kkk;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ double F;
+ System.out.println("请输入华氏度：");
+ F = scanner.nextDouble();
+ double C = (5.0/9*(F-32));
+ System.out.println("转换摄氏度为："+ C);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/c4+Demo4.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/c4+Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8e9b7e251cfe80faa676c45ef0655a56c06242ae
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\345\244\251\347\277\224/c4+Demo4.java"
@@ -0,0 +1,29 @@
+package kkk;
+
+import java.util.Scanner;
+
+public class Demo4 {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.println("请输入一个四位数");
+ int n1;
+ int n2;
+ int n3;
+ int n4;
+ int N = scanner.nextInt();
+ n1 = N/1000;
+ n2 = N%1000/100;
+ n3 = N%100/10;
+ n4 = N%10;
+
+ System.out.println("千位上的数字为"+n1);
+ System.out.println("百位上的数字为"+n2);
+ System.out.println("十位上的数字为"+n3);
+ System.out.println("个位上的数字为"+n4);
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Kxb.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Kxb.java"
new file mode 100644
index 0000000000000000000000000000000000000000..ce51ad228359e8efb43468592d5e2e60060908c9
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Kxb.java"
@@ -0,0 +1,18 @@
+package wck.java.com;
+
+import java.util.Scanner;
+
+public class Kxb {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ float F;
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入华氏温度的值");
+ F=scan.nextFloat();
+
+
+ System.out.println("华氏温度换算为摄氏温度="+(double)5/9*(F-32));
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Lxb.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Lxb.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b9b24bbb6ccbb4847a468c885318b44e1e3ae5fb
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Lxb.java"
@@ -0,0 +1,20 @@
+package wck.java.com;
+
+public class Lxb {
+
+ public static void main(String[] args) {
+ // 四位数
+ int num = 8577;
+
+ int a1 =num/1000;
+ int b2 =num/100%10;//num%1000/100
+ int c3 =num%1000%100/10;
+ int d4 = num%1000%100%10;
+
+ System.out.println("千位数是"+a1);
+ System.out.println("百位数是"+b2);
+ System.out.println("十位数是"+c3);
+ System.out.println("个位数是"+d4);
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Oxb.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Oxb.java"
new file mode 100644
index 0000000000000000000000000000000000000000..26eb431f4bf347560472ebe29c6f8c34625da4e7
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Oxb.java"
@@ -0,0 +1,19 @@
+package wck.java.com;
+
+import java.util.Scanner;
+
+public class Oxb {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ double Π=3.14;
+ int r;
+
+ Scanner scan = new Scanner(System.in);
+ System.out.println("请输入r=");
+ r=scan.nextInt();
+
+ System.out.println("圆的面积="+(Π*(r*r)));
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Wxb.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Wxb.java"
new file mode 100644
index 0000000000000000000000000000000000000000..a387915d5c736a7f772af448cb94e91398d2c602
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\237\246\346\230\214\345\235\244/Wxb.java"
@@ -0,0 +1,34 @@
+package wck.java.com;
+
+import java.util.Scanner;
+
+public class Wxb {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ //算术运算符
+ int a;
+ int b;
+
+
+
+ Scanner scam = new Scanner(System.in);
+ System.out.println("a=");
+ a=scam.nextInt();
+ System.out.println("b=");
+ b=scam.nextInt();
+
+
+
+ //求和数之和
+ System.out.println("a + b =" +(a + b));
+ //求两数之差
+ System.out.println("a - b =" +(a + b));
+ System.out.println("a * b =" +(a + b));
+ System.out.println("a / b =" +(a/(float)b));
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3ff49b286866e8525446f61a3c5d3ae11bdb167e
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo1.java"
@@ -0,0 +1,26 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo1 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ double c;//转换后的值
+ double f;//华氏温度的值
+
+ Scanner scan = new Scanner(System.in);
+
+ System.out.println("请输入一个华氏温度");
+
+ f =scan.nextDouble();
+
+ c =(f-32)*((double)5/9);
+
+ System.out.println("华氏摄氏度为" + c);
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo2.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..da4cde8e4f7ae14f41d5bc3881ca58c62dde0ab6
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo2.java"
@@ -0,0 +1,27 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo2 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ Scanner scan = new Scanner (System.in);
+
+ int num1;
+ int num2;
+
+ System.out.println("请输入第一个数字");
+ num1 =scan.nextInt();
+ System.out.println("请输入第二个数字");
+ num2 =scan.nextInt();
+
+ System.out.println("和为"+(num1+num2));
+ System.out.println("差为"+(num1-num2));
+ System.out.println("乘积为"+(num1*num2));
+ System.out.println("商为"+(num1/(float)num2));
+ System.out.println("取余后为"+(num1%num2));
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo3.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4a9cd218bfe49613a11e4a2715df547c2a4d069f
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo3.java"
@@ -0,0 +1,27 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo3 {
+
+ public static void main(String[] args) {
+ // TODO 自动生成的方法存根
+ double circle;
+ double Π =3.14;
+ double r;
+
+ Scanner scan =new Scanner(System.in);
+
+ System.out.println("请输入一个半径");
+ r =scan.nextDouble();
+
+ circle =Π*(r*r);
+
+ System.out.println(circle);
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo4.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo4.java"
new file mode 100644
index 0000000000000000000000000000000000000000..26bc59c12107c1b3541a26d3023c0679a63eacf1
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo4.java"
@@ -0,0 +1,27 @@
+package lesson;
+
+import java.util.Scanner;
+
+public class Demo4 {
+ public static void main(String[] args) {
+ int a;
+
+ Scanner scan =new Scanner(System.in);
+
+ System.out.println("请输入一个四位数");
+
+ a =scan.nextInt();
+ int num1 =a/1000;//除以一千为 该数的第一位 类似除以100会为千百位上的值 除以10则为千百十位上的值 规律是除以除的位数相减去几个0
+ //int num2 =a%10;//取余一千为 该数的千位以后的值 取余一百为 该数百位后的值 取余十 为 个位数上的值
+ System.out.println("该数的千位数为" +num1);
+ int num3 =a/100%10;
+ System.out.println("该数的百位数为" +num3);
+ int num4 =a%100/10;
+ System.out.println("该数的十位数为" +num4);
+ int num5 =a%10;
+ System.out.println("该数的个位数为" +num5);
+
+
+
+ }
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9988127d643e0d06b77a1106e3dd410f4ef6d84d
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/aaa.java"
@@ -0,0 +1,36 @@
+import java.util.Scanner;
+
+public class aaa {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+
+ int num;
+ double num1;
+
+ Scanner scan=new Scanner (System.in);
+ System.out.println("请输入您的第一个数字");
+ num=scan.nextInt();
+ System.out.println("请输入您的第二个数字");
+
+ num1=scan.nextInt();
+
+ System.out.println("num+num1"+(num+num1));
+ System.out.println("num-num1"+(num-num1));
+ System.out.println("num*num1"+(num*num1));
+ System.out.println("num/num1"+(num/num1));
+ System.out.println("num%num1"+(num+num1));
+
+
+
+
+
+
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/bbb.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/bbb.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9c40758988b703321cb3240c59e76c7ceb3d6edc
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/bbb.java"
@@ -0,0 +1,22 @@
+import java.util.Scanner;
+
+public class bbb {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ Scanner scan=new Scanner(System.in);
+ double π=3.14;
+ double r;
+ System.out.println("请输入r的值");
+ r=scan.nextDouble();
+
+
+ System.out.println("π*r*r"+π*r*r);
+
+
+
+
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/ccc.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/ccc.java"
new file mode 100644
index 0000000000000000000000000000000000000000..028f6ba5cd2465d0d6e6e3c847bceb18edc8f842
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/ccc.java"
@@ -0,0 +1,18 @@
+
+public class ccc {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ int num=5632;
+ int num1=num/1000;
+ System.out.println("千位"+num1);
+ int num2=num/100%10;
+ System.out.println("百位"+num2);
+ int num3=num/1000-2;
+ System.out.println("十位"+num3);
+ int num4=num/1000-3;
+ System.out.println("个位"+num4);
+
+ }
+
+}
diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/ddd.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/ddd.java"
new file mode 100644
index 0000000000000000000000000000000000000000..76d5ca53c9682e682dd936d90e6d6e615369adb5
--- /dev/null
+++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\351\273\204\345\277\240\347\243\212/ddd.java"
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+public class ddd {
+
+ public static void main(String[] args) {
+ // TODO Auto-generated method stub
+ //编写一个可以将用户输入的华氏温度换算为摄氏温度的程序。
+ //转换公式为：C=5/9(F-32),其中C代表摄氏温度的值，F表示华氏温度的值。
+ float C;
+ int F;
+
+ Scanner sacn=new Scanner(System.in);
+ System.out.println("输入华氏温度");
+ F=sacn.nextInt();
+ C= ((float)5/9)*(F-32);
+
+ System.out.println("输入温度C"+C);
+
+
+ }
+
+
+}
diff --git a/README.en.md b/README.en.md
deleted file mode 100644
index 7e841f58ac68c9d63b2c59991eecc9aa918a7479..0000000000000000000000000000000000000000
--- a/README.en.md
+++ /dev/null
@@ -1,36 +0,0 @@
-# Java_exercise
-
-#### Description
-{**When you're done, you can delete the content in this README and update the file with details for others getting started with your repository**}
-
-#### Software Architecture
-Software architecture description
-
-#### Installation
-
-1. xxxx
-2. xxxx
-3. xxxx
-
-#### Instructions
-
-1. xxxx
-2. xxxx
-3. xxxx
-
-#### Contribution
-
-1. Fork the repository
-2. Create Feat_xxx branch
-3. Commit your code
-4. Create Pull Request
-
-
-#### Gitee Feature
-
-1. You can use Readme\_XXX.md to support different languages, such as Readme\_en.md, Readme\_zh.md
-2. Gitee blog [blog.gitee.com](https://blog.gitee.com)
-3. Explore open source project [https://gitee.com/explore](https://gitee.com/explore)
-4. The most valuable open source project [GVP](https://gitee.com/gvp)
-5. The manual of Gitee [https://gitee.com/help](https://gitee.com/help)
-6. The most popular members [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
diff --git a/README.md b/README.md
deleted file mode 100644
index a2b1237728bd1c9df4c62d5baa275a6f1f51ca12..0000000000000000000000000000000000000000
--- a/README.md
+++ /dev/null
@@ -1,39 +0,0 @@
-# Java_exercise
-
-#### 浠嬬粛
-{**浠ヤ笅鏄 Gitee 骞冲彴璇存槑锛屾偍鍙互鏇挎崲姝ょ畝浠**
-Gitee 鏄 OSCHINA 鎺ㄥ嚭鐨勫熀浜 Git 鐨勪唬鐮佹墭绠″钩鍙帮紙鍚屾椂鏀寔 SVN锛夈備笓涓哄紑鍙戣呮彁渚涚ǔ瀹氥侀珮鏁堛佸畨鍏ㄧ殑浜戠杞欢寮鍙戝崗浣滃钩鍙
-鏃犺鏄釜浜恒佸洟闃熴佹垨鏄紒涓氾紝閮借兘澶熺敤 Gitee 瀹炵幇浠ｇ爜鎵樼銆侀」鐩鐞嗐佸崗浣滃紑鍙戙備紒涓氶」鐩鐪 [https://gitee.com/enterprises](https://gitee.com/enterprises)}
-
-#### 杞欢鏋舵瀯
-杞欢鏋舵瀯璇存槑
-
-
-#### 瀹夎鏁欑▼
-
-1. xxxx
-2. xxxx
-3. xxxx
-
-#### 浣跨敤璇存槑
-
-1. xxxx
-2. xxxx
-3. xxxx
-
-#### 鍙備笌璐＄尞
-
-1. Fork 鏈粨搴
-2. 鏂板缓 Feat_xxx 鍒嗘敮
-3. 鎻愪氦浠ｇ爜
-4. 鏂板缓 Pull Request
-
-
-#### 鐗规妧
-
-1. 浣跨敤 Readme\_XXX.md 鏉ユ敮鎸佷笉鍚岀殑璇█锛屼緥濡 Readme\_en.md, Readme\_zh.md
-2. Gitee 瀹樻柟鍗氬 [blog.gitee.com](https://blog.gitee.com)
-3. 浣犲彲浠 [https://gitee.com/explore](https://gitee.com/explore) 杩欎釜鍦板潃鏉ヤ簡瑙 Gitee 涓婄殑浼樼寮婧愰」鐩
-4. [GVP](https://gitee.com/gvp) 鍏ㄧО鏄 Gitee 鏈鏈変环鍊煎紑婧愰」鐩紝鏄患鍚堣瘎瀹氬嚭鐨勪紭绉寮婧愰」鐩
-5. Gitee 瀹樻柟鎻愪緵鐨勪娇鐢ㄦ墜鍐 [https://gitee.com/help](https://gitee.com/help)
-6. Gitee 灏侀潰浜虹墿鏄竴妗ｇ敤鏉ュ睍绀 Gitee 浼氬憳椋庨噰鐨勬爮鐩 [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)