j3_23.java

来自「石志国著《JSP应用教程》」· Java 代码 · 共 20 行

import java.util.*;
class Test
{
	public static void main(String args[])
	{
		String names[] = {"beijing","shanghai","nanchang","sichuan"};
		String person[] = {"北方","南部沿海","中部","西部"};
		Hashtable hash = new Hashtable();
		for(int i=0;i<names.length;i++){
			hash.put(names[i],person[i]);
		}
		Enumeration enum = hash.keys();
		Object obj;
		while(enum.hasMoreElements()){
			obj = enum.nextElement();
			System.out.println(obj + ":" +hash.get(obj));
		}
	}
}