Pause and start a timer task

     

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

class MyTask extends TimerTask {
  int counter;

  public MyTask() {
    counter = 0;
  }
  public void run() {
    counter++;
    System.out.println("Ring " + counter);
  }
  public int getCount() {
    return counter;
  }
}

public class Main {
  private boolean running;
  private MyTask task;
  private Timer timer;
  public Main() {
    timer = new Timer(true);
  }

  public boolean isRinging() {
    return running;
  }

  public void startRinging() {
    running = true;
    task = new MyTask();
    timer.scheduleAtFixedRate(task, 0, 3000);
  }

  public void doIt() {
    running = false;
    System.out.println(task.getCount() + " times");
    task.cancel();
  }

  public static void main(String[] args) {
    Main phone = new Main();
    phone.startRinging();
    try {
      System.out.println("started running...");
      Thread.sleep(20000);
    } catch (InterruptedException e) {
    }
    phone.doIt();
  }
}

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Pause and start a timer task : Timer « Development Class « Java

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