Eight, scheduled scheduling

1  public  class TestTimer {
 2      public  static  void main (String [] args) {
 3          // (1) create an object of
          Timer 4 Timer t = new Timer ();
 5          // (2) call the schedule () method to execute the task
 6          // Create an object of the task class 
7          TimerTask task = new Clock ();
 8          // The task to be executed, the second parameter is the execution start time of the task, and the third parameter is how often to execute 
9          t .schedule (task, new Date (System.currentTimeMillis () + 1000), 1000 );
 10      }
 11  }
 12  class Clock extends TimerTask{
13     long time=1000;//1秒
14     @Override
15     public void run() {
16         Date date=new Date(time);
17         System.out.println(date.toLocaleString());
18         time+=1000;
19     }
20 }