testidentityhashmap.java

来自「疯狂Java讲义_源码(含Java设计模式CHM」· Java 代码 · 共 25 行

import java.util.*;
/**
 * Description:
 * <br/>Copyright (C), 2005-2008, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee [e-mail]
 * @version  1.0
 */
public class TestIdentityHashMap
{
	public static void main(String[] args) 
	{
		IdentityHashMap ihm = new IdentityHashMap();
		//下面两行代码将会向IdentityHashMap对象中添加2个key-value对
		ihm.put(new String("语文") , 89);
		ihm.put(new String("语文") , 78);
		ihm.put("java" , 93);
		ihm.put("java" , 98);
		System.out.println(ihm);
	}
}