定时执行任务

 private static Timer timer = new Timer();
 
 public static void main(String[] args){

  try {
   run();
  } catch (ParseException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 }
 
 private static void run() throws ParseException{
  SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
  Date date = sdf.parse("2012-09-10 17:40:12");

  timer.schedule(new MyTask(), date);
 }
 
 static class MyTask extends java.util.TimerTask{ 
   
          @Override 
          public void run() { 
              // TODO Auto-generated method stub 
              System.out.println("执行..."); 
          } 
 }