Higher-Kinded-J 0.4.6 is out 🎉

Optic-driven request batching

The N+1 query — collapsed at the optic seam.

Swap the strategy in a traversal's modifyF and N backend loads become one batched call. The optic graph stays untouched.

▸ SafeFetch — failures land on the Either value channel, never thrown
▸ SourceRouter — one call per backend for mixed keysets
▸ Plans.preflight + Guards — audit & refuse runaway batches before they leave the JVM

#Java25 · #Java
#FunctionalProgramming #Optics

https://higher-kinded-j.github.io/latest/optics/optic_batching.html

Our next #JCON2026 session is live: 'Guess the #Java Version' with Johannes Bechberger

In this #interactive quiz, we'll look through Java snippets from Java 1.0 to #Java25 and try to guess the version. It's harder than you might think.

Grab your #coffee and hit play: https://youtu.be/6_T-Gs-XJI0

Want faster warm-up without rewriting your app? #Java25 embeds profiles into AOT caches and upgrades Shenandoah GC. @__amahdy explains what this means for real workloads — not just release notes.

See what you gain before upgrading: https://javapro.io/2026/02/26/java-25-the-tldr-version/

@Oracle #OpenJDK #Java

Still wasting time on constructor workarounds just because super() must come first? #Java25 finally removes that 30-year limitation. @bazlur_rahman shows what it means for cleaner initialization. Worth the upgrade?

Dive in: https://javapro.io/2026/02/24/javas-productivity-trifecta-compact-sources-flexible-constructors-and-advanced-pattern-matching/

#Java #PatternMatching

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 #JAVAPRO

Oracle Java 25 certification is evolving toward modern enterprise Java development.

If you already prepared for Java 21 certification, you are already strongly aligned with Java 25.

I published a detailed breakdown with code examples explaining the new Java 25 additions and expected exam focus areas:
https://www.myexamcloud.com/blog/what-to-expect-in-java-25-certification-exam.article

#Java #Java25 #OracleJava #JavaCertification #Programming #SoftwareEngineering #JDK25 #VirtualThreads

Ever upgrade #Java & realize most features barely affect daily coding? #Java25 quietly removes friction developers hit every day. M. Gheorghe-Roman explains which features matter in real projects — from pattern matching to switch logic: https://javapro.io/2026/05/28/unlocking-developer-productivity-with-java-25-features-youll-actually-use/

#OpenJDK @openjdk

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/

@openjdk

Still treating immutability as a startup-time penalty? #Java25’s Stable Values change that contract. @hannotify dives into the feature that every backend dev should understand early.

Learn it before it’s default: https://javapro.io/2026/02/12/heres-java-25-ready-to-perform-to-the-limit/

#Java #JVM #JFR @openjdk @Oracle