Profiled

Profiled.java

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

/**
 * Created by ykochare on 5/6/18.
 */
public class Profiled {
    public static void main(String[] args) {
        ScheduledExecutorService executor = Executors.newScheduledThreadPool(1);

        Runnable task = () -> {
            try {
                Random r = new Random(System.nanoTime());
                TimeUnit.SECONDS.sleep(2);
                System.out.println("Scheduling: " + System.nanoTime());
                List<String> list = new ArrayList<>();
                for (int i=0;i<Math.abs(r.nextInt());i++){
                    list.add(java.util.UUID.randomUUID().toString());
                }

                Collections.shuffle(list,r);
                Collections.sort(list);

            }
            catch (InterruptedException e) {
                System.err.println("task interrupted");
            }
        };

        executor.scheduleWithFixedDelay(task, 0, 1, TimeUnit.SECONDS);
    }
}