235课后第三题

package com.hanqi;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;


public class list {

public static void main(String[] args) {


Map map = new HashMap(); Emp emp = new Emp("005","小明"); Emp emp1 = new Emp("006","小张"); Emp emp2 = new Emp("007","小王"); HashMap<String,String> map1 = new HashMap<String,String>(); map1.put(emp.getId(), emp.getName()); map1.put(emp1.getId(), emp1.getName()); map1.put(emp2.getId(), emp2.getName()); System.out.println(map1); map1.remove("005"); System.out.println(map1);
package com.hanqi;

public class Emp {

    /*public Emp(String string, String string2) {
        
    }*/
    private String id;
    
    private String name;
    
public Emp(String id, String name) {
    
     super();
     this.id = id;
     this.name = name;
        
    }

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;
}
    

}

原文地址:https://www.cnblogs.com/Yue0327/p/5152830.html