Java Language Tutorial:

Java Language Executor, ExecutorService and Thread pools

Introduction

The Executor interface in Java provides a way of decoupling task submission from the mechanics of how each task will be run, including details of thread use, scheduling, etc. An Executor is normally used instead of explicitly creating threads. With Executors, developers won't have to significantly rewrite their code to be able to easily tune their program's task-execution policy.

Remarks

Pitfalls

  • When you schedule a task for repeated execution, depending on the ScheduledExecutorService used, your task might be suspended from any further execution, if an execution of your task causes an exception which isn't handled. See Mother F**k the ScheduledExecutorService!

Java Language Executor, ExecutorService and Thread pools Examples:

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