Spring Framework - ConcurrentTaskScheduler Examples

package com.logicbig.example;

import org.springframework.scheduling.concurrent.ConcurrentTaskScheduler;
import org.springframework.scheduling.support.PeriodicTrigger;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class ConcurrentTaskSchedulerExample {

    public static void main (String[] args) throws InterruptedException {
        ConcurrentTaskScheduler s = new ConcurrentTaskScheduler(
                  Executors.newScheduledThreadPool(5));
        for (int i = 0; i < 10; i++) {
            final int finalI = i;
            s.schedule(() -> {
                try {
                    Thread.sleep(500);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                System.out.printf("task: %d. Thread: %s%n",
                                  finalI,
                                  Thread.currentThread().getName());
            }, new PeriodicTrigger(1000));
        }
        //shutting down after 5 sec
        Thread.sleep(5000);
        ((ExecutorService) s.getConcurrentExecutor()).shutdown();
    }
}

Output

task: 2. Thread: pool-1-thread-3
task: 0. Thread: pool-1-thread-1
task: 3. Thread: pool-1-thread-5
task: 4. Thread: pool-1-thread-4
task: 1. Thread: pool-1-thread-2
task: 9. Thread: pool-1-thread-2
task: 5. Thread: pool-1-thread-1
task: 6. Thread: pool-1-thread-3
task: 7. Thread: pool-1-thread-5
task: 8. Thread: pool-1-thread-4
task: 0. Thread: pool-1-thread-1
task: 4. Thread: pool-1-thread-5
task: 2. Thread: pool-1-thread-2
task: 3. Thread: pool-1-thread-3
task: 1. Thread: pool-1-thread-4
task: 5. Thread: pool-1-thread-5
task: 9. Thread: pool-1-thread-1
task: 6. Thread: pool-1-thread-2
task: 8. Thread: pool-1-thread-4
task: 7. Thread: pool-1-thread-3
task: 3. Thread: pool-1-thread-3
task: 1. Thread: pool-1-thread-5
task: 4. Thread: pool-1-thread-2
task: 2. Thread: pool-1-thread-4
task: 0. Thread: pool-1-thread-1
task: 5. Thread: pool-1-thread-3
task: 6. Thread: pool-1-thread-2
task: 9. Thread: pool-1-thread-5
task: 8. Thread: pool-1-thread-4
task: 7. Thread: pool-1-thread-1
task: 3. Thread: pool-1-thread-3
task: 0. Thread: pool-1-thread-1
task: 4. Thread: pool-1-thread-5
task: 1. Thread: pool-1-thread-2
task: 2. Thread: pool-1-thread-4
task: 6. Thread: pool-1-thread-3
task: 8. Thread: pool-1-thread-4
task: 9. Thread: pool-1-thread-1
task: 5. Thread: pool-1-thread-5
task: 7. Thread: pool-1-thread-2