目录

 

 

主代码

 1 package com.kgc.zuoye.zy0222;
 2 
 3 import java.util.*;
 4 
 5 public class Test {
 6     public static void main(String[] args){
 7         Scanner sc=new Scanner(System.in);
 8         Student stu1=new Student("张三","男",18);
 9         Student stu2=new Student("李四","男",22);
10         Student stu3=new Student("王五","男",25);
11         Student stu4=new Student("小美","男",18);
12 
13         Map<String,Student> m=new HashMap();
14         m.put("ZS",stu1);
15         m.put("LS",stu2);
16         m.put("WW",stu3);
17         m.put("XM",stu4);
18 
19         System.out.print("请输入学员英文名:");
20         String xy=sc.next();
21         if (m.containsKey(xy)){
22             System.out.println(xy+"对应的学员姓名是:"+m.get(xy).getName()+",性别是"+m.get(xy).getSex()+",年龄是"+m.get(xy).getAge());
23         }else{
24             System.out.println("学员不存在");
25         }
26     }
27 }

 

 

 

 

运行结果