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Every call to publish() will return a class that conforms to the __________ interface.

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Every call to publish() will return a class that conforms to the __________ interface.

(a) Batch

(b) Client

(c) Server

(d) Future

I have been asked this question in final exam.

Query is from Publishing Messages to the Cloud topic in portion Working with the Cloud of IOT

1 Answer

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Correct option is (d) Future

Explanation: Every call to publish() will return a class that conforms to the future interface. You can use this to ensure that the publish.

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