java 通過Iterator輸出Map

package test;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;


public class test {
    public static void main(String[] args)  {
        Map<String,String> map=new HashMap<String,String>();
        map.put("Zhukai","is_a_2HUO!");
        map.put("LiJunDong","is_a_2HUO_too!");
        map.put("WoZiji","is_not_2HUO!");
        Set<Map.Entry<String, String>> allSet=map.entrySet();
        
        Iterator<Map.Entry<String, String>> iter=allSet.iterator();
        while(iter.hasNext()){
            Map.Entry<String, String> me=iter.next();
            System.out.println(me.getKey()+ " "+me.getValue());
        }
        
    }
}