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Tip: Timer in Java

Explore how to create a task timer in Java.


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import java.util.*;

public class TimerTaskDemo extends TimerTask{
   
   public static void main(String args[])
   {
      //Creating a TimerTask and a Timer that together helps achieving the required result
      TimerTask timeTaskDemo = new TimerTaskDemo();
      //Initializing a Timer
      Timer timer = new Timer();
        
      System.out.println("Task started: " + new Date());
      //Scheduling the timer
      //Signature of scheduleAtFixedRate(TimerTask task, long delay, long period)   
      timer.scheduleAtFixedRate(timeTaskDemo, 1, 1000);
      
      try{
          Thread.sleep(1000);
      }
      catch(InterruptedException ie)
      {
          //Handle the exception
      }

      //Cancelling the timer 
      timer.cancel();
      System.out.println("Task stopped: " + new Date());
   }

   // this method performs the task
   public void run() {
        System.out.println("In run method. Tasks that need to be executed can he invoked here");
   }    
}

 

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