import java.lang.*;
import java.util.*;

class MyTimerTask extends TimerTask {
  private int MAX_TARDINESS = 15;
  private String myName = null;

  public MyTimerTask(String aName) {myName=aName;}

  public void run() {
    // This is the main body of the thread
    System.err.println("\tTimerTask"+myName+": Started");
    if (System.currentTimeMillis() - scheduledExecutionTime() >= MAX_TARDINESS)
      return;                   // Too late; skip this execution.
                                // Perform the task
    System.err.println("\t\tTimerTask"+myName+": running @ " +
                       System.currentTimeMillis());
    return;
  }
}

class Initialise {
  public static void main(String[] argv) {
    Thread.currentThread().setName("main:");
    MyTimerTask aTimerTask = new MyTimerTask(" one ");
    MyTimerTask bTimerTask = new MyTimerTask(" two ");
    Timer       aTimer     = new Timer(false); // Not a daemon timer

    // Start it after 10 milliseconds, with a period of 30 milliseconds
    aTimer.scheduleAtFixedRate(aTimerTask, 10L, 20L);

    // Start it after 30 milliseconds, with a period of 30 milliseconds
    aTimer.scheduleAtFixedRate(bTimerTask, 30L, 30L);

    try {
      Thread.currentThread().sleep(100L);
    } catch (InterruptedException ie) { }

    bTimerTask.cancel();
// The following is wrong - we cannot re-schedule a canceled task.
//     aTimer.scheduleAtFixedRate(bTimerTask, 30L, 30L);

    try {
      Thread.currentThread().sleep(100L);
    } catch (InterruptedException ie) { }

    // Cancel all timer tasks
    aTimer.cancel();



    return;
  }
}