Which to use Timer or ThreadPool in java?

Question

我在Java中有一个应用程序，需要安排命令在给定的延迟后运行，我应该使用Timer或ThreadPool，为什么？

Answer 1

I'd recommend that you use a ScheduledExecutorService . Rationale: it is much easier to use than Timer or TimerTask .

You can obtain one using, for instance, Executors.newScheduledThreadPool() .

Answer 2

If you are using Spring, another solution is @Scheduled . Simply annotate a desired method with that annotation and specify the delay or a certain time at which you want to be called. The advantage is that you do not need a new class implementing Runnable and concern yourself with multiple thread (although Executors frameworks is easy to use). But you need the class having the method with the annotation to be a Spring Bean; also the method needs to return void and have no arguments.

It's actually this simple:

@Scheduled(fixedRate = 5000)//the method is called once every 5 seconds
public void myScheduledMethod() {
    //do you stuff
}