map集合之增强for循环遍历map.Entry<String,Integer> en : map.entrySet()
package com.day15.Map;
import java.util.HashMap;
import java.util.Map;
public class MapFive {
public static void main(String[] args) {
Map<String, Integer> ma=new HashMap<>();
ma.put("Kobe",20);
ma.put("KG",21);
ma.put("PP",22);
ma.put("Allen",23);
for(Map.Entry<String,Integer> en:ma.entrySet()){
System.out.print(en.getKey()+"="+en.getValue());//PP=22Kobe=20KG=21Allen=23
}
}
}