Java定时器设定一个任务循环去执行（超简单）

/**
 * 
 */
package com.happy.timer;

import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;

/**
 * @author Happy
 * @me <a href="http://www.weibo.com/qiaolevip">@快乐每一天Joe</a>
 * @mail [e-mail]
 * @date 2012-10-20
 */
public class TimerDo {
	public static void main(String[] args) {
		Integer cacheTime = 1000 * 3;
		Timer timer = new Timer();
		// (TimerTask task, long delay, long period)任务，延迟时间，多久执行
		timer.schedule(new TimerTask() {

			@Override
			public void run() {
				System.out.println(new Date());
			}
		}, 1000, cacheTime);
	}
}