testlistallelements.java

是一本Ｊ２ＭＥ的教材书

import java.util.*;
public class TestListAllElements{
	public static void main(String[] args) {
		Vector h = new Vector();
		h.addElement("1st");
		h.addElement("2nd");
		h.addElement("3rd");
		h.addElement("4th");
		h.addElement("5th");
		printAll((Object)h);
		printAll(h);
		printAllGetByIndex( h );
	}
	public static void printAll(Object s){
		System.out.println(s);
	}
	public static void printAll( Vector s ){
		Enumeration em = s.elements();
		while(em.hasMoreElements()) {
			System.out.println(em.nextElement());
		}
	}
	public static void printAllGetByIndex( Vector h ){
		int cnt = h.size();
		for(int i=0; i<cnt; i++ )
		{
			System.out.println(h.elementAt(i));
		}
	}
}