testhashtable.java

测试哈希表

import java.util.Hashtable;

public class TestHashtable{
	public void test(){
		Hashtable hashtemp=new Hashtable();
		hashtemp.put("element01",new String("值1"));
		hashtemp.put("element02",new String("值3"));
		hashtemp.put("element03",new String("值2"));
		
		log("元素个数："+hashtemp.size());
		log("Key所对应值："+hashtemp.get("element01"));
		log("判断是否含有该键值："+hashtemp.containsValue("值3"));
		hashtemp.remove("element01");
		log("含有该键值对："+hashtemp.containsKey("element01"));
		log("元素个数："+hashtemp.size());
		log("哈希表转化为字符串："+hashtemp.toString());
		}
	
	public void log(String strInfo){
		System.out.println(strInfo);
		
		}
	public static void main(String args[]){
		TestHashtable tHt=new TestHashtable();
		tHt.test();
		
		
		}
	
	
	
	}