Long if/else chains, repeated checks, unnecessary casts—classic #Java overhead. #Java25 adds #PatternMatching in switch, #RecordPatterns & guards, reducing boilerplate & improving type safety.
Mihaela Gheorghe-Roman explains: https://javapro.io/2026/04/28/pattern-matching-in-java-25-writing-cleaner-safer-faster-code/

#CleanCode #JDK25 @openjdk

Still writing instanceof + casts + nested conditionals? That’s legacy #Java. With #Java25, pattern matching simplifies type checks, switch logic, and data extraction.
Learn how with Mihaela Gheorghe-Roman: https://javapro.io/2026/04/28/pattern-matching-in-java-25-writing-cleaner-safer-faster-code/

#CleanCode #PatternMatching #JDK25 OpenJDK

Your #Java app didn’t grow—your heap did. Wanderson Xesquevixos digs into #JDK25’s Compact Object Headers and shows how a simple flag can cut committed heap by ~30% in object-heavy workloads.

Read before tuning GC again: https://javapro.io/2026/02/10/mastering-memory-efficiency-with-compact-object-headers-in-jdk-25/

#Java #JVM #Performance @openjdk

Concurrency used to mean trade-offs: simplicity vs scalability. With #VirtualThreads, #Java challenges that. Mihaela Gheorghe-Roman explores benchmarks, migration steps, & what #JDK25 adds to #ProjectLoom. Still afraid of blocking I/O?

Dive in: https://javapro.io/2026/03/05/java-25-and-the-new-age-of-performance-virtual-threads-and-beyond/

@openjdk

Most memory problems aren’t leaks—they’re structural. Wanderson Xesquevixos breaks down how Compact Object Headers in #JDK25 shrink per-object overhead & why this finally matters in containers & #Microservices.

Benchmark-backed, no hype: https://javapro.io/2026/02/10/mastering-memory-efficiency-with-compact-object-headers-in-jdk-25/

#JVM @openjdk

Java finally gets native superpowers.

Just published a new hands-on tutorial where we call ImageMagick directly from Java 25 using the Foreign Function & Memory API.
No JNI. No C glue. Just pure Java + Quarkus doing real image processing.

If you’ve wondered how Python calls fast C libraries… this is how Java does it now.

👉 https://www.the-main-thread.com/p/java-ffm-api-quarkus-imagemagick-tutorial

#Java #Quarkus #FFMAPI #ImageMagick #JDK25

Yay, one big step closer to the release of #IntelliJIDEA 2025.3! Check out the release candidate: https://blog.jetbrains.com/idea/2025/11/intellij-idea-2025-3-release-candidate/

#Java #JDK25 #Junit6 #SpringBoot4

Как прошёл Java Rock Stars Meetup в сентябре (и чего ожидать в декабре)

25 сентября в Москве прошёл Java Rock Stars Meetup, в котором было всё: доклады, холивары о будущем Spring в России и много нетворкинга. Пока готовился обзор прошедшего митапа, мы уже успели организовать новый и заключительный в этом году Java Rock Stars Meetup, который пройдёт 2 декабря в Москве в привычном месте — лофте Casa Picassa. Регистрируйтесь на митап

https://habr.com/ru/companies/axiomjdk/articles/969344/

#java #jdk25 #axiomjdk #axiom_jdk #митап #митап_в_москве #приглашение #обзор #spring #kotlin