人生不如意十之八九

import java.util.*;
public class TimerTaskTest extends TimerTask{

 public void run() {
//要执行的代码
  System.out.println(new Date());
 }
 public static void main(String[] args){
  TimerTaskTest test = new TimerTaskTest();
  Timer timer = new Timer();
//定时长度5*1000
  timer.schedule(test,1,5*1000);
 }
}