Reactive Streams · interview question
How does the flatMap operator differ from map in Project Reactor's Flux?
Multiple choiceMediumchapter-19-curatedpremiumreactive-streamsbackpressure-strategies
Flux.just(1, 2, 3).flatMap(i -> Flux.just(i * i));Answer and explanation
Correct answer
D. flatMap can handle asynchronous operations and flatten them.
Why
The flatMap operator is used for asynchronous transformations and flattens Publisher<Publisher<T>> into Publisher<T>, allowing concurrent operations and handling nested streams effectively.
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