Project Reactor · interview question
How would you explain a key difference between map() and flatMap() in Project Reactor in an interview?
Multiple choiceMediumchapter-19-curatedpremiumproject-reactorfunctional-pipelines-flatmap
Answer and explanation
Correct answer
A. Map() is synchronous, while flatMap() is asynchronous.
Why
map() applies a synchronous transformation, while flatMap() can perform asynchronous operations that return new reactive types, enabling further non-blocking processing.
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