Reactive Streams · interview question
In which scenario is using Mono preferred over Flux in Project Reactor?
Multiple choiceHardchapter-19-curatedpremiumreactive-streamsbackpressure-strategies
Answer and explanation
Correct answer
A. When expecting a single item or no item
Why
Mono is preferred when you expect a single item or no item at all, as it represents a stream with zero or one element, unlike Flux which is used for multiple elements.
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