How should we end a stream to calculate sum of elements? Options: A . &nbspSink.sum_ B . &nbspSink.fold[Int, Int](0)(_ + _) C . &nbspSink.sum[Int](_) D . &nbspSink.map(_ + _)

How should we end a stream to calculate sum of elements?

Question

How should we end a stream to calculate sum of elements?

Options:

A . Sink.sum_

B . Sink.fold[Int, Int](0)(_ + _)

C . Sink.sum[Int](_)

D . Sink.map(_ + _)

Answer: Option B

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