HashMap常用方法 （2）

版权声明： https://blog.csdn.net/weixin_40072979/article/details/82927931

package com.jianshun;

import java.util.HashMap;
import java.util.Map;

/**
 * 测试Map的常用方法
 * @author Administrator
 *
 */
public class TextMap2 {

	public static void main(String[] args) {
		Employee e1 = new Employee(1001, "高琪", 5000);
		Employee e2 = new Employee(1002, "小二", 5000);
		Employee e3 = new Employee(1003, "小五", 6000);
		
		Map<Integer, Employee> map = new HashMap<Integer, Employee>();
		
		map.put(1001, e1);
		map.put(1002, e2);
		map.put(1003, e3);		
		
		Employee emp = map.get(1001);
		System.out.println(emp.getEname());
		
		System.out.println(map);
	}
}

//雇员信息
class Employee{
	private int id;
	private String ename;
	private double salary;
	public Employee(int id, String ename, double salary) {
		super();
		this.id = id;
		this.ename = ename;
		this.salary = salary;
	}
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getEname() {
		return ename;
	}
	public void setEname(String ename) {
		this.ename = ename;
	}
	public double getSalary() {
		return salary;
	}
	public void setSalary(double salary) {
		this.salary = salary;
	}
	@Override
	public String toString() {
		return "Employee [id=" + id + ", ename=" + ename + ", salary=" + salary + "]";
	}
	
	
}