java202302java学习笔记第十六天-学生管理系统设计3代码部分

package StudentSys;
import java.util.Scanner;
public class StudentSys {
    public static void main(String[] args) {
        loop:while (true) {
            System.out.println("-----欢迎来到歌谣的学生系统------");
            System.out.println("1添加学生");
            System.out.println("2删除学生");
            System.out.println("3修改学生");
            System.out.println("4查询学生");
            System.out.println("5退出学生");
            Scanner sc=new Scanner(System.in);
            String choose=sc.next();
            switch (choose){
                case "1": {addStudent();}
                case "2": {deleteStudent();}
                case "3": {updateStudent();}
                case "4": {getQueryStudent();}
                case "5": {System.out.println("5退出学生");break loop;}
                default:
                    System.out.println("没有这个选项");
            }
        }
    }
    public static  void addStudent(){
    }
    public static  void updateStudent(){
    }
    public static  void deleteStudent(){
    }
    public static  void getQueryStudent(){
    }
}