public class DaemonThread extends Thread {
  public void run() {
    System.out.println("Entering run method");

    try {
      System.out.println("In run Method: currentThread() is"
          + Thread.currentThread());

      while (true) {
        try {
          Thread.sleep(500);
        } catch (InterruptedException x) {
        }

        System.out.println("In run method: woke up again");
      }
    } finally {
      System.out.println("Leaving run Method");
    }
  }
  public static void main(String[] args) {
    System.out.println("Entering main Method");

    DaemonThread t = new DaemonThread();
    t.setDaemon(true);
    t.start();

    try {
      Thread.sleep(3000);
    } catch (InterruptedException x) {
    }

    System.out.println("Leaving main method");
  }

}