iteratordemo.java

来自「java是一种面向对象程序的语言,我这里介绍了有关java课件的许多事例,它能帮」· Java 代码 · 共 33 行

package book.ch6;

import java.util.Set;
import java.util.HashSet;
import java.util.Iterator;

/**
 * User: hb
 * Date: Jan 5, 2004
 * Time: 1:32:17 PM
 */
public class IteratorDemo {
	public static void main(String[] args) {
		Set set = new HashSet();

		set.add("1");
		set.add("2");
		set.add("3");
		set.add("4");

		set.add(new Integer(1));
		set.add(new Double(7.0));

		Iterator iterator=set.iterator();
		while (iterator.hasNext()){
			System.out.println(iterator.next());
			iterator.remove();
		}

		System.out.println("set = " + set);
	}
}