Reactive Streams · interview question
Why is the 'flatMap' operator significant in a reactive stream?
Multiple choiceMediumchapter-19-curatedpremiumreactive-streamsblocking-the-event-loop
Answer and explanation
Correct answer
C. It flattens a stream of streams into a single stream.
Why
The flatMap operator takes each element of a stream and maps it to another stream, merging the results into a single flattened stream, which is crucial for handling asynchronous data transformations.
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