testiterator.java

JAVA培训教程

import java.util.*;
public class TestIterator {
	public static void main(String[] args) {
		ArrayList h = new ArrayList();
		h.add("1st");
		h.add("2nd");
		h.add(new Integer(3));
		h.add(new Double(4.0));
		Iterator it = h.iterator();
		while ( it.hasNext() ) {
			System.out.println(it.next());
		}
	}
}