您是否应始终使用ExecutorService而不是启动自己的线程？

问题描述

如果JDK> = 1.5，启动线程的首选方法应该始终是Executor还是Executor Service，还是仍然有理由在不需要ExecutorService提供的内容时更喜欢使用Thread.start？ / p>

对于同步，我曾经认为使用新的Lock实现是首选，直到我。所以我想知道关于执行者的同样的事情。它们只是处理更复杂案例的一种方式，还是它们应该是标准选择？

解决方案

就个人而言，自Java 5以来，我完全遗留了 Thread 和 ThreadGroup ，因为它们提供的定制和功能少于的ExecutorService 。

使用 ExecutorService 时，我知道我可以使用 Callable ，我知道我可以（带一点开销）安排重复的任务。因此，我考虑直接实例化 Thread 对象弃用代码，如 Vector 和 Hashtable 是。

With JDK >= 1.5, should the preferred way to start a thread always be an Executor or Executor Service, or are there still reasons to prefer to use a Thread.start if you don't need what an ExecutorService provides?

For syncronized, I used to think that using the new Lock implemenations was preferred, until I was explained otherwise. So I'm wondering the same thing about Executors. Are they just a way of handling more complex cases, or should they be the standard choice?

解决方案

Personally, since Java 5, I've completely left over Thread and ThreadGroup, as they provide way less customization and functionality than ExecutorService.

When using ExecutorService, I know I can use Callable, I know I can (with a little overhead) schedule repeated tasks. As a consequence, I consider direct instantiation of Thread objects deprecated code, as Vector and Hashtable are.

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