Spring / Spring Webflux Interview questions
Difference between Project Reactor and WebFlux.
Project Reactor is a foundational library for building non-blocking, reactive applications in Java, providing types like Mono and Flux. WebFlux is a Spring web framework that uses Reactor for high-concurrency, asynchronous HTTP handling. Reactor is the reactive engine, while WebFlux is the framework implementing it for web services.
- Role: Project Reactor is a library that implements the Reactive Streams specification (similar to RxJava). Spring WebFlux is a web framework.
- Layer: Reactor is a low-level library for asynchronous data streams, whereas WebFlux is a high-level abstraction for building reactive APIs, often running on Netty.
- Dependency: WebFlux is built upon Project Reactor; it uses it as its core library.
- Use Case: Use Reactor for general-purpose reactive programming (e.g., data processing). Use WebFlux for reactive web servers or clients.
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