Close

Spring - ConcurrentTaskScheduler Example

[Last Updated: Oct 29, 2025]

ConcurrentTaskScheduler

java.lang.ObjectObjectorg.springframework.scheduling.concurrent.ConcurrentTaskExecutorConcurrentTaskExecutororg.springframework.core.task.AsyncListenableTaskExecutorAsyncListenableTaskExecutororg.springframework.scheduling.SchedulingTaskExecutorSchedulingTaskExecutororg.springframework.scheduling.concurrent.ConcurrentTaskSchedulerConcurrentTaskSchedulerorg.springframework.scheduling.TaskSchedulerTaskSchedulerLogicBig

This implementation is an adapter for the provided JSE ScheduledExecutorService object.

Example

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




Example Project

Dependencies and Technologies Used:

  • spring-context 6.2.12 (Spring Context)
     Version Compatibility: 3.2.3.RELEASE - 6.2.12Version List
    ×

    Version compatibilities of spring-context with this example:

    • 3.2.3.RELEASE
    • 3.2.4.RELEASE
    • 3.2.5.RELEASE
    • 3.2.6.RELEASE
    • 3.2.7.RELEASE
    • 3.2.8.RELEASE
    • 3.2.9.RELEASE
    • 3.2.10.RELEASE
    • 3.2.11.RELEASE
    • 3.2.12.RELEASE
    • 3.2.13.RELEASE
    • 3.2.14.RELEASE
    • 3.2.15.RELEASE
    • 3.2.16.RELEASE
    • 3.2.17.RELEASE
    • 3.2.18.RELEASE
    • 4.0.0.RELEASE
    • 4.0.1.RELEASE
    • 4.0.2.RELEASE
    • 4.0.3.RELEASE
    • 4.0.4.RELEASE
    • 4.0.5.RELEASE
    • 4.0.6.RELEASE
    • 4.0.7.RELEASE
    • 4.0.8.RELEASE
    • 4.0.9.RELEASE
    • 4.1.0.RELEASE
    • 4.1.1.RELEASE
    • 4.1.2.RELEASE
    • 4.1.3.RELEASE
    • 4.1.4.RELEASE
    • 4.1.5.RELEASE
    • 4.1.6.RELEASE
    • 4.1.7.RELEASE
    • 4.1.8.RELEASE
    • 4.1.9.RELEASE
    • 4.2.0.RELEASE
    • 4.2.1.RELEASE
    • 4.2.2.RELEASE
    • 4.2.3.RELEASE
    • 4.2.4.RELEASE
    • 4.2.5.RELEASE
    • 4.2.6.RELEASE
    • 4.2.7.RELEASE
    • 4.2.8.RELEASE
    • 4.2.9.RELEASE
    • 4.3.0.RELEASE
    • 4.3.1.RELEASE
    • 4.3.2.RELEASE
    • 4.3.3.RELEASE
    • 4.3.4.RELEASE
    • 4.3.5.RELEASE
    • 4.3.6.RELEASE
    • 4.3.7.RELEASE
    • 4.3.8.RELEASE
    • 4.3.9.RELEASE
    • 4.3.10.RELEASE
    • 4.3.11.RELEASE
    • 4.3.12.RELEASE
    • 4.3.13.RELEASE
    • 4.3.14.RELEASE
    • 4.3.15.RELEASE
    • 4.3.16.RELEASE
    • 4.3.17.RELEASE
    • 4.3.18.RELEASE
    • 4.3.19.RELEASE
    • 4.3.20.RELEASE
    • 4.3.21.RELEASE
    • 4.3.22.RELEASE
    • 4.3.23.RELEASE
    • 4.3.24.RELEASE
    • 4.3.25.RELEASE
    • 4.3.26.RELEASE
    • 4.3.27.RELEASE
    • 4.3.28.RELEASE
    • 4.3.29.RELEASE
    • 4.3.30.RELEASE
    • 5.0.0.RELEASE
    • 5.0.1.RELEASE
    • 5.0.2.RELEASE
    • 5.0.3.RELEASE
    • 5.0.4.RELEASE
    • 5.0.5.RELEASE
    • 5.0.6.RELEASE
    • 5.0.7.RELEASE
    • 5.0.8.RELEASE
    • 5.0.9.RELEASE
    • 5.0.10.RELEASE
    • 5.0.11.RELEASE
    • 5.0.12.RELEASE
    • 5.0.13.RELEASE
    • 5.0.14.RELEASE
    • 5.0.15.RELEASE
    • 5.0.16.RELEASE
    • 5.0.17.RELEASE
    • 5.0.18.RELEASE
    • 5.0.19.RELEASE
    • 5.0.20.RELEASE
    • 5.1.0.RELEASE
    • 5.1.1.RELEASE
    • 5.1.2.RELEASE
    • 5.1.3.RELEASE
    • 5.1.4.RELEASE
    • 5.1.5.RELEASE
    • 5.1.6.RELEASE
    • 5.1.7.RELEASE
    • 5.1.8.RELEASE
    • 5.1.9.RELEASE
    • 5.1.10.RELEASE
    • 5.1.11.RELEASE
    • 5.1.12.RELEASE
    • 5.1.13.RELEASE
    • 5.1.14.RELEASE
    • 5.1.15.RELEASE
    • 5.1.16.RELEASE
    • 5.1.17.RELEASE
    • 5.1.18.RELEASE
    • 5.1.19.RELEASE
    • 5.1.20.RELEASE
    • 5.2.0.RELEASE
    • 5.2.1.RELEASE
    • 5.2.2.RELEASE
    • 5.2.3.RELEASE
    • 5.2.4.RELEASE
    • 5.2.5.RELEASE
    • 5.2.6.RELEASE
    • 5.2.7.RELEASE
    • 5.2.8.RELEASE
    • 5.2.9.RELEASE
    • 5.2.10.RELEASE
    • 5.2.11.RELEASE
    • 5.2.12.RELEASE
    • 5.2.13.RELEASE
    • 5.2.14.RELEASE
    • 5.2.15.RELEASE
    • 5.2.16.RELEASE
    • 5.2.17.RELEASE
    • 5.2.18.RELEASE
    • 5.2.19.RELEASE
    • 5.2.20.RELEASE
    • 5.2.21.RELEASE
    • 5.2.22.RELEASE
    • 5.2.23.RELEASE
    • 5.2.24.RELEASE
    • 5.2.25.RELEASE
    • 5.3.0
    • 5.3.1
    • 5.3.2
    • 5.3.3
    • 5.3.4
    • 5.3.5
    • 5.3.6
    • 5.3.7
    • 5.3.8
    • 5.3.9
    • 5.3.10
    • 5.3.11
    • 5.3.12
    • 5.3.13
    • 5.3.14
    • 5.3.15
    • 5.3.16
    • 5.3.17
    • 5.3.18
    • 5.3.19
    • 5.3.20
    • 5.3.21
    • 5.3.22
    • 5.3.23
    • 5.3.24
    • 5.3.25
    • 5.3.26
    • 5.3.27
    • 5.3.28
    • 5.3.29
    • 5.3.30
    • 5.3.31
    • 5.3.32
    • 5.3.33
    • 5.3.34
    • 5.3.35
    • 5.3.36
    • 5.3.37
    • 5.3.38
    • 5.3.39
      • Compatible Java Version: 17+
    • 6.0.0
    • 6.0.1
    • 6.0.2
    • 6.0.3
    • 6.0.4
    • 6.0.5
    • 6.0.6
    • 6.0.7
    • 6.0.8
    • 6.0.9
    • 6.0.10
    • 6.0.11
    • 6.0.12
    • 6.0.13
    • 6.0.14
    • 6.0.15
    • 6.0.16
    • 6.0.17
    • 6.0.18
    • 6.0.19
    • 6.0.20
    • 6.0.21
    • 6.0.22
    • 6.0.23
    • 6.1.0
    • 6.1.1
    • 6.1.2
    • 6.1.3
    • 6.1.4
    • 6.1.5
    • 6.1.6
    • 6.1.7
    • 6.1.8
    • 6.1.9
    • 6.1.10
    • 6.1.11
    • 6.1.12
    • 6.1.13
    • 6.1.14
    • 6.1.15
    • 6.1.16
    • 6.1.17
    • 6.1.18
    • 6.1.19
    • 6.1.20
    • 6.1.21
    • 6.2.0
    • 6.2.1
    • 6.2.2
    • 6.2.3
    • 6.2.4
    • 6.2.5
    • 6.2.6
    • 6.2.7
    • 6.2.8
    • 6.2.9
    • 6.2.10
    • 6.2.11
    • 6.2.12

    Versions in green have been tested.

  • JDK 25
  • Maven 3.9.11
ConcurrentTaskScheduler Example Select All Download
  • spring-core-concurrent-task-scheduler-example
    • src
      • main
        • java
          • com
            • logicbig
              • example
                • ConcurrentTaskSchedulerExample.java

    See Also