Java LinkedHashMap 有序

package Map.Demo;

import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;

public class LinkedHashMapDemo {

	public static void main(String[] args) {
		//HashMap hm=new HashMap();
		HashMap hm=new LinkedHashMap();//有序--怎么存的怎么取
		
		hm.put(6, "zhaoliu");
		hm.put(2, "zhaol3");
		hm.put(610, "zhdsaoliu");
	
		Iterator> it=hm.entrySet().iterator();	
		
		while(it.hasNext()) {
			Map.Entry me=it.next();
			Integer	key=me.getKey();
			String value=me.getValue();
			System.out.println(key+":"+value);
		}
	}

}