A Bootiful Podcast Java community legend Victor Rentea
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May 29, 2025 Victor Rentea, a Java community legend known for his insights on REST API design and functional programming, shares his wealth of knowledge. He delves into the intricacies of REST architecture and the challenges of transitioning to reactive programming. Performance optimization in Java is also discussed, highlighting the balance between traditional and innovative coding practices. Victor recounts his adventures at European tech events, celebrating the vibrant connections within the programming community.
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Functional Programming Benefits Everywhere
- Functional programming concepts like pure functions and immutability enhance composability, even outside purely functional languages.
- Languages like Kotlin provide better functional programming support compared to Java.
Reactive Programming Bugs Found
- Victor found multiple bugs and performance issues in production reactive code during workshops with experienced developers.
- One common mistake was subscribing twice to a Mono, causing repeated requests and wasted resources.
Streams: Love, Hate, and Code Slicing
- Developers often fall in and out of love with Java streams, initially loving them and later abandoning them due to misuse.
- The key is slicing code into small, composable pure functions rather than strictly choosing between streams or loops.