Once the message has been sent, the sender can store a reference to the Future object and check periodically for completion, or it can block and wait if needed by calling the get method.

消息被发送之后，发送者可以保存对Future对象的一个引用并定期检查是否完成，或者，它也可以通过调用get方法来阻塞和等待。

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Once the message has been sent, the sender can store a reference to the Future object and check periodically for completion, or it can block and wait if needed by calling the get method.

消息被发送之后，发送者可以保存对Future对象的一个引用并定期检查是否完成，或者，它也可以通过调用get方法来阻塞和等待。

youdao