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 qiaole1990@sina.com * @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() {@Overridepublic void run() {System.out.println(new Date());}}, 1000, cacheTime);}}