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Language: Java
Expertise: Intermediate
Oct 20, 2017

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How to Schedule a Task to Start After a Defined Interval

Imagine, you want to schedule activating a task few moments (3 seconds in this case) from now, the following code snippet will be helpful.

import java.util.*;
//We only need Timer and TimerTask from util package

public class Scheduler
{
   Timer scheduleTimer = new Timer();
   int defaultStartTime = 3000; //Seconds
   
   public static void main(String args[])
   {
      Scheduler scheduler = new Scheduler();
      scheduler.proceed();
   }
   
   private void proceed()
   {
      //This will schedule the ScheduleTask to execute after 3 seconds
      scheduleTimer.schedule(new ScheduleTask(), defaultStartTime);
   }
   
   class ScheduleTask extends TimerTask
   {
      public void run()
      {
         System.out.println("Start of Task");
         //Perform your task(s) here
         System.out.println("End of Task");
         scheduleTimer.cancel();
      }
   }
}
M S Sridhar
 
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