Java – Page 81 – Sharp: NCLEX, Java & Python

Java: Functional Pipelines (flatMap)

WebFlux vs Virtual Threads in Reactive Programming?

How would you explain the core purpose of the flatMap() method in Project Reactor in an interview?

Why is flatMap() preferred over map() for I/O operations in reactive programming?

How does blocking the event loop affect a reactive application?

What role does backpressure play in Reactive Streams?

How do map() and flatMap() differ in handling streams?

How would you explain the tradeoff of using flatMap() in a reactive pipeline in an interview?

How would you explain a common mistake when using flatMap() in reactive streams in an interview?

How does flatMap() enhance parallelism in a reactive pipeline?

What design considerations should be made when transitioning from Spring MVC to WebFlux?