aggregation20.java

/*
 * @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 18:09:43
 * @LastEditTime: 2020-09-17 18:13:15
 * @FilePath: \java\aggregation\aggregation20.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.LinkedHashMap;
import java.util.Map;
import java.util.Set;

public class aggregation20 {
    public static void main(String[] args) {
        LinkedHashMap<String, String> map  = new LinkedHashMap<String, String>();

        map.put("cpu", "2");
        map.put("hello", "4");
        map.put("cpucode", "6");

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

        for (Map.Entry<String, String> entry : entrySet) {
            System.out.println(entry.getKey() + "  " + entry.getValue());
        }
    }
}