Timer

package test;

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

public class MyTimerTask extends TimerTask implements Runnable {

 Timer timer;
 public void run() {

  System.out.println("Test3");
  timer.cancel();
 }

 public MyTimerTask()
 {
  timer = new Timer();
 
  System.out.println("Test1");
  timer.schedule(this, 1000);
 
  System.out.println("Test2");
 }
 
 public static void main(String[] args) {

  new MyTimerTask();
 }

}

---- 결과

Test1
Test2
(1초후)
Test3