Java Core256 articles

Table of Contents Java powers AI in production Enterprises are rapidly moving away from Oracle Java Cloud costs are still too high, and Java efficiency is a powerful lever Unused and Dead code and CVE noise are quietly killing DevOps productivity Why this all matters right now Where Azul fits into this future  Every year, I look forward to our State of Java Survey & Report because it gives us a view into how organizations are using Java today and where they’re heading next. This year, …

Table of Contents YouTubePodcast AppsGuestsContent Every six months, we get a new version of Java. Java 26 is just around the corner and will be released soon. But most companies stick to LTS (Long-Term Support) versions, which are maintained and …

Table of Contents Profiling a Java Application Running Inside an Unikernel with JProfilerExplanationDirsArgsRunConfigBaseVolumeSzWhat this command doesInstrumentation PhaseFinal State Profiling a Java Application Running Inside an Unikernel with JProfiler Unikernels are often associated with minimalism and tight resource control. But can …

Table of Contents The role of this GitHub repositoryWhy Java in Education MattersA Major Milestone: Java in CoderDojoCommunity Content vs. Official Raspberry Pi Foundation MaterialImpact on Raspberry Pi, Pi4J, and the Java EcosystemThe Challenge with the Raspberry Pi FoundationConnecting Existing …

Table of Contents The Quarterly Update CycleCritical Patch Updates (CPU)Patch Set Updates (PSU)Difference With the Six-Month Release CycleDistributor AvailabilityIn this January ReleaseNext Steps The January 2026 OpenJDK quarterly updates are now (or will soon be) available from various OpenJDK distributors. …

Table of Contents A Quick History LessonForeign Function & Memory (FFM) APIThe Problem With JNIHow The FFM API EvolvedSimple Code ExamplesWhy the FFM API Matters for Raspberry Pi ProjectsPi4J ArchitectureThe FFM TransformationA Community Success StoryBeyond Raspberry PiPi4J Examples Using the …

Memory management remains the primary factor for application performance in enterprise Java environments. Between 2017 and 2025, the ecosystem shifted from manual tuning to architectural selection. Industry data suggests that 60 percent of Java performance issues and 45 percent of production incidents in distributed systems stem from suboptimal Garbage Collection (GC) behavior. This guide provides a strategic framework for selecting collectors based on workload characteristics. It covers the transition from legacy collectors to Generational ZGC, analyzing trade-offs regarding throughput, latency, and hardware constraints with mathematical precision.

Table of Contents Unboxing the LattePanda IOTAAssemblySetting Up The BoardFirst Boot: Windows Pre-installedInstalling UbuntuSetting Up Java DevelopmentTesting Java, JavaFX, and Pi4JHelloWorld with JBangJavaFX TestPi4J TestPerformance CheckConclusion After years of experimenting with Raspberry Pi boards, Java, JavaFX, and Pi4J to control …

Let’s see now the less known old classes related to I/O.

Table of Contents Reproducing The ProblemFixed with Latest OpenJDK 21 and 25Conclusion As described before on Java 21+ Not Working on Raspberry Pi Zero 2, a problem appeared to execute Java code on the Raspberry Pi Zero 2 with OpenJDK …