public class ShutDownHook {
  public static void main(String[] args) {
    System.err.println("Starting main program");
    Runtime rt = Runtime.getRuntime();
    System.err.println("Main: adding shutdown hook");
    rt.addShutdownHook(new Thread() {
      public void run() {
        // In real life this might close a Connection or something.
        System.err.println("Running my shutdown hook");
      }
    });
    System.err.println("Main: calling Runtime.exit()");
    rt.exit(0);
  }
}

import javax.swing.Timer;
import java.awt.event.*;

public class TimerTest
{

   public static void main( String args[] )
   {
   int delay = 1000; //milliseconds

   ActionListener taskPerformer = new ActionListener()
      {
      public void actionPerformed(ActionEvent evt)
         {
         System.out.println( "test" );
         }
      };

   Timer test = new Timer(delay, taskPerformer);

   test.start();

   System.out.println( test.isRunning() );
   }

}