java学习第十一天笔记-字符串221-学生管理系统3开始书写

student.java

package geyao.item.data;
 
public class Student {
    private String id;
    private String name;
    private int age;
    private String address;
 
    public Student() {
    }
 
    public Student(String id, String name, int age, String address) {
        this.id = id;
        this.name = name;
        this.age = age;
        this.address = address;
    }
 
    public String getId() {
        return id;
    }
 
    public void setId(String id) {
        this.id = id;
    }
 
    public String getName() {
        return name;
    }
 
    public void setName(String name) {
        this.name = name;
    }
 
    public int getAge() {
        return age;
    }
 
    public void setAge(int age) {
        this.age = age;
    }
 
    public String getAddress() {
        return address;
    }
 
    public void setAddress(String address) {
        this.address = address;
    }
}

StudentSystem.java

package geyao.item.data;
 
import java.util.Scanner;
 
public class StudentSystem {
    public static void main(String[] args) {
        loop:while (true){
            System.out.println("---欢迎来到学生管理系统-----");
            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");
            System.out.println("请输入你的选择");
 
            Scanner sc=new Scanner(System.in);
            String choose=sc.next();
            switch (choose){
                case "1"-> addStudent();
                case "2"-> deleteStudent();
                case "3"-> updateStudent();
                case "4"-> queryStudent();
                case "5"-> {
                    System.out.println(":退出");
                    //跳出当前循环
                    break loop;
                }
                default-> System.out.println("没有这个选项");
            }
        }
 
 
    }
 
    public static void addStudent(){
        System.out.println("添加学生");
    }
 
    public static void deleteStudent(){
        System.out.println("删除学生");
    }
 
    public static void updateStudent(){
        System.out.println("修改学生");
    }
 
    public static void queryStudent(){
        System.out.println("查询学生");
    }
}