#JavaStreams changed how we process collections—but the API didn’t stop at map() and reduce(). From dropWhile() to Stream.transform(), Mihaela Gheorghe-Roman walks through the milestones you likely missed.

Full evolution: https://javapro.io/2025/11/13/java-streams-evolution-from-java-8-to-today/

@openjdk #Java25 #StreamsAPI

Just published a longform article on parallel collectors in Java Streams.

✅ Covers correctness, performance, pitfalls
🛠 Custom collectors with CONCURRENT semantics
🔬 JMH benchmark

TL;DR: .parallelStream() is not a magic wand.

https://svenruppert.com/2025/04/08/synchronous-in-chaos-how-parallel-collectors-bring-order-to-java-streams/

#Java #StreamsAPI #OpenJDK #Concurrency #FunctionalProgramming

Java - Gatherer: a powerful new way to control Stream aggregation!

Inject, filter, finish early – even in parallel.

No frameworks. Pure Java. Learn how it works

#Java #StreamsAPI #Gatherer #JavaDev #Streams #java24

https://svenruppert.com/2025/04/02/rethinking-java-streams-gatherer-for-more-control-and-parallelism/