Working with Java Executor framework in multithreaded application

Java Executor Service Executor Service

Thread Pool Executor Pool Executor


  • Create an executor
    • The newFixedThreadPool () returns a ThreadPoolExecutor instance with an initialized and unbounded queue and a fixed number of threads.
    • The newCachedThreadPool () returns a ThreadPoolExecutor instance initialized with an unbounded queue and unbounded number of threads.
  • Create one or more tasks and put in the queue
  • Submit the task to the Executor
  • Execute the task
  • Shutdown the Executor


  • ExecutorServiceExample