Map集合遍历

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()+";");
        }
    }
}