Question

求大神，写个java完整代码，满足要求，在线等

Answer 1

public class Student {
	private String stuNo;// 学号
	private String stuName;// 学生名字
	
	public Student(){}
	
	public Student(String stuNo,String stuName){
		this.stuNo = stuNo;
		this.stuName = stuName;
	}

	public String getStuNo() {
		return stuNo;
	}

	public void setStuNo(String stuNo) {
		this.stuNo = stuNo;
	}

	public String getStuName() {
		return stuName;
	}

	public void setStuName(String stuName) {
		this.stuName = stuName;
	}
}


public class Test {
	static Map<String, Student> stuMap = new HashMap<String, Student>();
	
	static Scanner input = new Scanner(System.in);
	
	public static void main(String[] args) {
		int choose = 0;
		while(choose!=5){
			System.out.println("**********菜 单**********");
			System.out.println("  1.添加学生");
			System.out.println("  2.查找学生");
			System.out.println("  3.修改学生");
			System.out.println("  4.删除学生");
			System.out.println("  5.退出系统");
			Scanner input = new Scanner(System.in);
			System.out.print("输入序号进行相应操作：");
			choose = input.nextInt();
			switch(choose){
				case 1:
					addStu();
					break;
				case 2:
					searchStu();
					break;
				case 3:
					updateStu();
					break;
				case 4:
					deleteStu();
					break;
			}
		}
	}
	
	public static void addStu(){
		System.out.print("请输入学生姓名：");
		String stuName = input.next();
		System.out.print("请输入学生学号：");
		String stuNo = input.next();
		Student stu = new Student(stuNo,stuName);
		stuMap.put(stu.getStuNo(), stu);
		System.out.println("学号为："+stu.getStuNo()+"的学生已添加");
	}
	
	public static void deleteStu(){
		System.out.print("请输入你要删除学生的学号：");
		String stuNo = input.next();
		stuMap.remove(stuNo);
		System.out.println("学号为："+stuNo+"的学生已删除");
	}
	
	public static void updateStu(){
		System.out.print("请输入你要修改学生的学号：");
		String oldStuNo = input.next();
		Student stu = stuMap.get(oldStuNo);
		System.out.print("请输入修改后的学生学号：");
		String stuNo = input.next();
		System.out.print("请输入修改后的学生名字：");
		String stuName = input.next();
		stu.setStuNo(stuNo);
		stu.setStuName(stuName);
		if(!oldStuNo.equals(stuNo)){
			stuMap.remove(oldStuNo);
			stuMap.put(stu.getStuNo(), stu);
		}
		System.out.println("学号为："+oldStuNo+"的学生信息已修改");
	}
	
	public static void searchStu(){
		for(String key : stuMap.keySet()){
			System.out.println("学号："+stuMap.get(key).getStuNo()+"\t姓名："+stuMap.get(key).getStuName());
		}
	}