The Free Magazine for the Java Community
Wie viel Produktivität verliert dein Team durch inkonsistente Toolchains? Sasche Selzer vergleicht #SDKMAN!, asdf, mise & Devbox – vom schlanken Versionsmanager bis zur deklarativen Nix-Umgebung.
Finde den passenden Ansatz für dein Projekt: https://javapro.io/de/reproduzierbare-entwicklungsumgebungen/
@jetify_com
Before your next #Java upgrade, ask: what do you actually gain? 18 new features. Real GC improvements. Production-ready optimizations. @__amahdy highlights the changes that impact performance, memory, and developer flow.
Make an informed move: https://javapro.io/2026/02/26/java-25-the-tldr-version/
Cyclic dependencies often go unnoticed — until they block every major initiative. Richard Gross explains how to identify, visualize, and strategically break them.
Read on #JAVAPRO: https://javapro.io/2025/10/21/map-your-code-master-your-architecture/
Ever wonder why some #Java patterns feel ancient—and others suddenly became default? @speakjava connects the dots across 30 years of language evolution, from early #JDKs to modern preview features.
Bookmark this before refactors & migrations: https://javapro.io/2026/01/20/25-versions-in-30-years-a-brief-history-of-the-java-language/
Join #JCON2026 to learn how to integrate #AI responsibly, optimize #Java #Performance in production, and design scalable architectures.
Turn Engineering Intelligence into real-world systems.
🎟 Free #JAVAPRO tickets & all benefits explained here:
https://javapro.io/2026/02/25/engineering-intelligence-live-javapro-benefits-for-jcon-2026/
AI in enterprise Java is powerful — but what about resilience & observability? #LangChain4J-CDI integrates with #MicroProfile Fault Tolerance & Telemetry out of the box. @EliteGentleman shows how to build #AI services ready for production: https://javapro.io/2026/02/25/bring-ai-into-your-jakarta-ee-apps-with-langchain4j-cdi-formerly-smallrye-llm/
@langchain4j
Deine Tests laufen bei jedem Build? Dann sind sie wichtig genug, getestet zu werden. Julius Mischok zeigt, wie #MutationTesting mit #PIT Schwachstellen in deiner #CI sichtbar macht.
Stärke deine Teststrategie: https://javapro.io/de/teste-deine-tests-mutation-testing-in-java-mit-pit/
Warum haben deine #Microservices trotz HTTP/2 noch fiese Tail-Latenzen? Wanderson Xesquevixos zeigt, wie #Java26 mit JEP 517 HTTP/3 (QUIC) in den HttpClient bringt – inkl. Fallback.
Finde Copy-paste-Code + Logs zum Nachweisen: https://javapro.io/de/java-26-uebernimmt-http-3-mit-der-weiterentwicklung-des-httpclient/
#Java developers have complained about boilerplate for decades. #Java25’s compact source files aim to change that — making simple programs truly simple. @bazlur_rahman explains what’s new. Curious if this improves your workflow?
Read more: https://javapro.io/2026/02/24/javas-productivity-trifecta-compact-sources-flexible-constructors-and-advanced-pattern-matching/
#PatternMatching
Building high-throughput #Java servers? Don’t let #VirtualThreads pin you down. With Panama + io_uring, David Vlijmincx shows how to truly go async—from memory arenas to native calls.
Benchmark results included: https://javapro.io/2025/10/16/async-io-with-java-and-panama-unlocking-the-power-of-io_uring/
Java still feels “too heavy” for quick learning? @igfasouza shows how #Java25 + #JEP512, #JBang & notebooks make experimentation fast—then connects it to real hardware via #RaspberryPi + #GraalPy.
Try the stack: https://javapro.io/2026/01/15/java-25-jep-512-jbang-notebooks-graallpy-and-raspberry-pi-for-interactive-learning/
The wait is over! New JAVAPRO edition 'Engineering Intelligence - Building Systems in the AI Age ' is out now & FREE to download! More expert insights, community voices & AI.
Want the latest #JAVAPRO issues? Subscribe to our news & get every new PDF: https://javapro.io/2026/02/23/stay-updated-with-every-new-free-pdf-edition/
Nobody reads documentation — until #LLMs do. @verhas connects three decades of #OpenSource work with a new insight: documentation structured for machines may finally matter.
Discover why he abandoned the tool but not the philosophy: https://javapro.io/2026/02/20/why-i-abandoned-my-30-year-open-source-project/
Onboarding darf keine Schnitzeljagd sein. Fehlende Abhängigkeiten, falsche JDK-Versionen, „works on my machine“. Sascha Selzer zeigt, wie reproduzierbare Entwicklungsumgebungen diesen Dauer-Pain beenden.
Jetzt Setup-Chaos vermeiden: https://javapro.io/2026/02/23/reproduzierbare-entwicklungsumgebungen/
#DevOps @sdkman_
#Concurrency bugs rarely fail loudly — they leak resources, stall requests, & waste CPU. @BalaRawool demonstrates how #StructuredConcurrency can short-circuit failures and keep workflows consistent in #SpringBoot.
Make your services more resilient: https://javapro.io/2026/02/19/virtual-threads-structured-concurrency-and-scoped-values-putting-it-all-together/
What you write isn’t what runs — and that’s a good thing. Harshitha Popuri & @gireeshpunam follow a #Java method through the #JIT, showing how profiling unlocks huge speedups.
Stop guessing. Learn the optimization plot: https://javapro.io/2026/02/18/the-runtime-illusion-what-java-really-runs/
#JVM #JITCompiler @IBMDeveloper
Java is over 30 years old – and still feels alive. #JCON USA @ #IBMTechXchange showed that the heart of #Java is its people. @richard Fichtner tells the story behind the sessions, faces, and friendships.
Full article: https://javapro.io/2025/12/24/code-collaboration-community/
Is Java ready for real #AI? With #Llama & #Ollama4J, you can build chatbots, assistants, or content filters—all running on your machine, not in the cloud. Lutske de Leeuw walks you through the architecture.
Try it yourself: https://javapro.io/2025/10/15/tame-your-llama-run-ai-in-java/
Can #AI capture something as human as sarcasm—or is that the wrong question? With @rorypreddy, learn why sarcasm matters for accessibility & identity—and how modern AI gets closer than ever.
See the demo & architecture: https://javapro.io/2026/01/14/sarcasm-as-a-service-five-years-later/
Why does handling keys in #Java still feel harder than it should? JEP 470 brings first-class #PEM encoding & decoding to the #JDK. Sebastian Hempel walks through the new #APIs and real-world trade-offs.
Upgrade your security toolkit in #Java25: https://javapro.io/2026/02/17/pem-files-as-an-alternative-to-keystores/
