hashtabletest.java

hashtable s study in java by kevin

import java.util.*;
public class HashTableTest {
	
	/**
	 * Method main
	 *
	 *
	 * @param args
	 *
	 */
	public static void main(String[] args) {
		Hashtable numbers=new Hashtable();
		numbers.put(new MyKey("zhang san",18),new Integer(1));
		numbers.put(new MyKey("lisi",15),new Integer(2));
		numbers.put(new MyKey("wangwu",20),new Integer(3));
	//	Enumeration em=numbers.elements();
		Enumeration em=numbers.keys();
		while(em.hasMoreElements())
		{
			MyKey key=(MyKey)em.nextElement();
			System.out.println(key+" is "+numbers.get(key));
			
		}
		System.out.println(numbers.get(new MyKey("zhang san",18)));
			
		System.out.println(
			numbers.get(new MyKey("zhasan",18)));
	}	
}