diff --git "a/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/.idea/.gitignore" "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/.idea/.gitignore"
new file mode 100644
index 0000000000000000000000000000000000000000..081b737fd3148bfde1ecb2c9d9212d2bcaf95092
--- /dev/null
+++ "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/.idea/.gitignore"
@@ -0,0 +1,8 @@
+# 默认忽略的文件
+/shelf/
+/workspace.xml
+# 数据源本地存储已忽略文件
+/dataSources/
+/dataSources.local.xml
+# 基于编辑器的 HTTP 客户端请求
+/httpRequests/
diff --git "a/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/.idea/misc.xml" "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/.idea/misc.xml"
new file mode 100644
index 0000000000000000000000000000000000000000..05483570e041eb648703359441d61bf9a5feeb13
--- /dev/null
+++ "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/.idea/misc.xml"
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git "a/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/.idea/modules.xml" "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/.idea/modules.xml"
new file mode 100644
index 0000000000000000000000000000000000000000..42efd84fd1d07fa0614464f359e3671b8227a623
--- /dev/null
+++ "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/.idea/modules.xml"
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git "a/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/javac.iml" "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/javac.iml"
new file mode 100644
index 0000000000000000000000000000000000000000..c90834f2d607afe55e6104d8aa2cdfffb713f688
--- /dev/null
+++ "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/javac.iml"
@@ -0,0 +1,11 @@
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git "a/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/out/production/javac/Ammm.class" "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/out/production/javac/Ammm.class"
new file mode 100644
index 0000000000000000000000000000000000000000..ca02b4780c302929dac40ba29f88827b5e89d313
Binary files /dev/null and "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/out/production/javac/Ammm.class" differ
diff --git "a/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/out/production/javac/Bmmm.class" "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/out/production/javac/Bmmm.class"
new file mode 100644
index 0000000000000000000000000000000000000000..da3dd0ec290251a765ffa542fbec6c41afe964d2
Binary files /dev/null and "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/out/production/javac/Bmmm.class" differ
diff --git "a/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/out/production/javac/Cmmm.class" "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/out/production/javac/Cmmm.class"
new file mode 100644
index 0000000000000000000000000000000000000000..1f35969af709c1b060f796e6ef675b869978689a
Binary files /dev/null and "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/out/production/javac/Cmmm.class" differ
diff --git "a/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/out/production/javac/Dmmm.class" "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/out/production/javac/Dmmm.class"
new file mode 100644
index 0000000000000000000000000000000000000000..e65b6c4c84bc7714e83c9a91daa8413cd2f22e81
Binary files /dev/null and "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/out/production/javac/Dmmm.class" differ
diff --git "a/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/out/production/javac/Emmm.class" "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/out/production/javac/Emmm.class"
new file mode 100644
index 0000000000000000000000000000000000000000..267ae2c635deda2d00335aaa80830a3ed3f19ec9
Binary files /dev/null and "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/out/production/javac/Emmm.class" differ
diff --git "a/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/src/Ammm.java" "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/src/Ammm.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bff91853c0b4687748b8be7ba19b6a16fba11557
--- /dev/null
+++ "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/src/Ammm.java"
@@ -0,0 +1,17 @@
+public class Ammm {
+ public static void main(String[] args) {
+ // 定义变量
+ String name=" 念哥";
+ int age=18;
+ char gender ='男';
+
+ //输出数据
+ System.out.println("姓名" + name);
+ System.out.println("年龄"+ age);
+ System.out.println("性别"+ gender);
+ System.out.println("念哥才高八斗，见多识广，平易近人");
+
+
+ }
+
+}
diff --git "a/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/src/Bmmm.java" "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/src/Bmmm.java"
new file mode 100644
index 0000000000000000000000000000000000000000..3edf927bd2cb527efb61c1f83347e9c0ea022503
--- /dev/null
+++ "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/src/Bmmm.java"
@@ -0,0 +1,10 @@
+public class Bmmm {
+ public static void main(String[] args) {
+ int x=10;
+ while (x<20){
+ System.out.println("value of x :" +x);
+ x++;
+ System.out.println("/a");
+ }
+ }
+}
diff --git "a/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/src/Cmmm.java" "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/src/Cmmm.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e7dedb759dc1d720e5ef1be8dfee7a32f168fd8e
--- /dev/null
+++ "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/src/Cmmm.java"
@@ -0,0 +1,8 @@
+public class Cmmm {
+ public static void main(String[] args) {
+ int a=10;
+ if (a<20){
+ System.out.println("这是if语句");
+ }
+ }
+}
diff --git "a/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/src/Dmmm.java" "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/src/Dmmm.java"
new file mode 100644
index 0000000000000000000000000000000000000000..812d04c9783ae1f5665f3b618cd30808f420e411
--- /dev/null
+++ "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/src/Dmmm.java"
@@ -0,0 +1,16 @@
+public class Dmmm {
+ public static void main(String[] args) {
+ String name="念哥";
+ int age=20;
+ char gender='男';
+
+ System.out.println("姓名 " + name);
+ System.out.println("年龄 " + age);
+ System.out.println("性别 " + gender);
+
+
+
+
+
+ }
+}
diff --git "a/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/src/Emmm.java" "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/src/Emmm.java"
new file mode 100644
index 0000000000000000000000000000000000000000..868d4de83bd66fdff392d8f7a4df4f7317a47fec
--- /dev/null
+++ "b/13\345\217\267\350\224\241\345\230\211\344\271\220/javac/src/Emmm.java"
@@ -0,0 +1,12 @@
+public class Emmm {
+ public static void main(String[] args) {
+ int sum=0;
+ int i=1;
+ while (i<100);{
+ sum+=i;
+ i++;
+ System.out.println("从1 到99的整合数为；" +sum);
+
+ }
+ }
+}
diff --git "a/13\345\217\267\350\224\241\345\230\211\344\271\220/\347\254\224\350\256\260.md" "b/13\345\217\267\350\224\241\345\230\211\344\271\220/\347\254\224\350\256\260.md"
new file mode 100644
index 0000000000000000000000000000000000000000..b0fe1d2727385ce43a74fe755d16a50643e4b8bc
--- /dev/null
+++ "b/13\345\217\267\350\224\241\345\230\211\344\271\220/\347\254\224\350\256\260.md"
@@ -0,0 +1,42 @@
+数值类型分为
+
+整数（byte,short,int,long）
+
+浮点数（float，double）
+
+字符(char)
+
+
+
+非数值型 布尔（boolean）
+
+
+
+默认值
+
+整数：int
+
+浮点型：double
+
+字符串 string
+
+
+
+变量的定义格式
+
+# 格式：数据类型 变量名=变量值
+
+示范；int price =998
+
+#变量使用 1.输出使用 2.修改值
+
+1.什么是变量
+
+就是内存中的存储空间
+
+空间中存储的数据是可以发生改变
+
+
+
+
+