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+static 静态 continue 跳过循环
+
+```Java
+package 开发;
+
+import java.util.Scanner;
+
+public class D1 {
+//    static 静态 continue 跳过循环
+    static Scanner sc = new Scanner(System.in);
+    public static void main(String[] args) {
+        welCome();
+        String []student = new String[45];
+        student[21]= "刘少海";
+        backstage(sc.nextInt(),student);
+    }
+    public static void welCome(){
+//        欢迎界面
+        System.out.println("===================="+
+                "\n-\t欢迎使用三班学生管理系统\t\t-"+
+                "\n-\t\t1.浏览所有学生信息\t\t-"+
+                "\n-\t\t2.添加学生信息\t\t-"+
+                "\n-\t\t3.修改学生信息\t\t-"+
+                "\n-\t\t4.查询学生信息\t\t-"+
+                "\n-\t\t5。删除学生信息\t\t-"+
+                "\n-\t\t6.退出学生信息\t\t-"+
+                "\n===================="+
+                "\n请输入对应的数字选择你需要的功能");
+    }
+    public static void backstage(int num,String[]student){
+        switch (num){
+            case 1:
+//                浏览所有学生信息
+                System.out.println("浏览所有学生信息");
+                all(student);
+                break;
+            case 2:
+//                添加学生信息
+                System.out.println("添加学生信息");
+                add(student);
+                break;
+            case 3:
+//                修改学生信息
+                break;
+            case 4:
+//                删除学生信息
+                break;
+            case 5:
+//                查询学生信息
+                break;
+            case 6:
+//                退出管理系统
+                break;
+            default:
+                System.out.println("没有这一项功能");
+                break;
+        }
+
+    }
+    public static void all(String[] student){
+        for (String name:student){
+            if (name==null){
+                continue;
+            }
+            System.out.println(name+"\t");
+        }
+    }
+    public static void add(String[]student){
+        System.out.println("请输入你要添加的学生：");
+        String name = sc.next();
+        int index =searchIndex(student,name);
+        if (index==-1){
+            System.out.println("找不到");
+        }else {
+            System.out.println("在"+index+"位置，已经有该学生");
+        }
+        }
+        public static int searchIndex(String[]student , String name){
+        int indext = -1;
+            for (int i = 0; i < student.length; i++) {
+                if (name.equals(student[i])){
+                    indext=i;
+                    return  indext;
+                }
+            }
+            return indext;
+        }
+    }
+```
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