package com.mmall.controller.common.interceptor;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;public class MapTest {
public static void main(String[] args) {
Map map = new HashMap();
for (int i = 0; i <3 ; i++) {
map.put("key"+i,"value"+i);
}
Iterator iterator = map.entrySet().iterator();
while (iterator.hasNext()){
Map.Entry entry = (Map.Entry) iterator.next();
System.out.println(entry.getKey()+":"+entry.getValue()+";");
}
}
}
原文:https://www.cnblogs.com/xu-hong/p/12016725.html