/*

* @由于个人水平有限, 难免有些错误, 还请指点:

* @Author: cpu_code

* @Date: 2020-09-17 15:58:33

* @LastEditTime: 2020-09-17 16:06:23

* @FilePath: \java\aggregation\aggregation18.java

* @Gitee: [https://gitee.com/cpu_code](https://gitee.com/cpu_code)

* @Github: [https://github.com/CPU-Code](https://github.com/CPU-Code)

* @CSDN: [https://blog.csdn.net/qq_44226094](https://blog.csdn.net/qq_44226094)

* @Gitbook: [https://923992029.gitbook.io/cpucode/](https://923992029.gitbook.io/cpucode/)

*/

package aggregation;

import java.util.HashMap;

import java.util.Map;

import java.util.Set;

public class aggregation18 {

public static void main(String[] args) {

// 创建Map集合对象

HashMap<String, String> map = new HashMap<String, String>();

// 添加元素到集合

map.put("cpucode", "1");

map.put("cpu", "2");

map.put("hello", "3");

// 获取 所有的 entry对象 entrySet

Set<Map.Entry<String, String>> entrySet = map.entrySet();

// 遍历得到每一个entry对象

for (Map.Entry<String, String> entry : entrySet){

// 解析

String key = entry.getKey();

String value = entry.getValue();

System.out.println(key + "值是 :" + value);

}

}

}

/*

cpucode值是 :1

cpu值是 :2

hello值是 :3

*/