Schedule a task by using Timer and TimerTask. : Timer « Development « Java Tutorial

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

class AutoTask extends TimerTask {
  AutoTask() {
  }

  public void run() {
    System.out.println(new Date());
  }

}

public class Main {
  public static void main(String args[]) {
    AutoTask myTask = new AutoTask();
    Timer bkTimer = new Timer();

    bkTimer.schedule(myTask, 2000, 2000);

    for (int i = 0; i < 5; i++) {
      try {
        Thread.sleep(2100);
      } catch (InterruptedException exc) {
      }
    }
    bkTimer.cancel();
  }
}

6.18.Timer
	6.18.1.	Using Timers
	6.18.2.	Demonstrate Timer and TimerTask.
	6.18.3.	Timer and TimerTask Classes
	6.18.4.	Pause and start a timer task
	6.18.5.	Create a Timer object
	6.18.6.	Swing also provide a Timer class. A Timer object will send an ActionEvent to the registered ActionListener.
	6.18.7.	Create a scheduled task using timer
	6.18.8.	Schedule a task by using Timer and TimerTask.
	6.18.9.	Scheduling a Timer Task to Run Repeatedly
	6.18.10.	extends TimerTask to create your own task
	6.18.11.	Your own timer
	6.18.12.	Class encapsulating timer functionality