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Scala MCQs

Which of the following is false about Futures and Promises?

Once a Future object is given a value or an exception, it can never be overwritten

Futures are non-blocking while promises are blocking

A promise can be used to complete a future with an exception

Future and Promises revolve around ExecutionContexts, responsible for executing computations

Answer

Correct Answer: Futures are non-blocking while promises are blocking

Explanation:

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