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java中Executor、ExecutorService、ScheduledExecutorService三者有啥区别?

java中Executor、ExecutorService、ScheduledExecutorService三者有啥区别?

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1.ExecutorService 接口继承了Executor 接口,是Executor 的子接口。

2.Executor接口中定义了execute()方法,用来接收一个Runnable接口的对象, 而ExecutorService接口中定义的submit()方法可以接收Runnable和Callable接口对象。

3.Executor接口中execute()方法不返回任何结果,而ExecutorService接口中submit...

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