StackOverflow Question #25049021, Java

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//'main' method must be in a class 'Rextester'.
//openjdk version '11.0.5'

import java.util.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;

class Rextester
{  
    public static void main(String args[]) throws InterruptedException, ExecutionException
    {
        ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor();
        AtomicInteger count = new AtomicInteger(0);
        Runnable task = () -> {
            int currentCount = count.incrementAndGet();
            System.out.println("Task #" + currentCount + " started");
            if (currentCount == 2) {
                System.out.println("Shutting down scheduler...");
                scheduler.shutdown();
            }
            try {
                Thread.sleep(1000);
            } catch (InterruptedException ie) {
                throw new RuntimeException(ie);
            }
            System.out.println("Task #" + currentCount + " finished");
        };

System.out.println("Starting scheduler...");
        ScheduledFuture<?> scheduledFuture = scheduler.scheduleWithFixedDelay(
            task, 0, 2, TimeUnit.SECONDS);
        System.out.println("Getting scheduled future...");
        System.out.println(scheduledFuture.get());        
        System.out.println("End of code reached.");
    }
}

[ + ] Show input
Compilation time: 2.44 sec, absolute running time: 6.35 sec, cpu time: 3.17 sec, memory peak: 30 Mb, absolute service time: 8,86 sec