Friends of OpenJDK Today

Table of Contents The collector doesn’t delete anythingMost objects die youngref = null is dead codeWhen ref = null can helpConclusionOne of the misconceptions that I continuously run into is that nulling out references in Java helps garbage collection. This …

Table of Contents Why It’s Important To Foojay CommunityHow the Premiere WorksOur AskEvery so often a story comes along that belongs to an entire community rather than any one company or person. The Java Story documentary by CultRepo is one …

Table of Contents Verify the signature of the JDK you downloadTencent Kona JDKInstall a JDK without making it the defaultSmarter version files: auto-detect the distributionFrom .sdkmanrcA much nicer Maven experienceQuieter logs by defaultNon-interactive settings.xmlToolchains that stop growing out of controlDon’t …

When we investigated unexpected performance variance in our Timefold Solver worker pods on our platform, we traced it to hyperthreading on AMD (x86-64) cloud instances. Switching to ARM (ARM64), where each vCPU maps to a physical core, eliminated the problem …

Table of Contents Improved Comparison WorkflowRendering FixesBuilt with Systematic AI CodingThe ResultThe CostWhat’s NextA Lottie library is only as good as its output looks. If an animation renders differently in Lottie4J than it does in the official web player, that’s …

Table of Contents Navigation ReorganisedThe Authors: Foojay’s Most Important “Asset”Meet The Team: Finally Up to DateJava Almanac Gets a Proper IntroductionJava Quick Start: Updated to Java 25Pedia: The Biggest UndertakingFoojay Brand and Logo PageWhy We’re Telling You ThisRunning a community …

Table of Contents IntroductionWhat is a Domain-Specific Language (DSL)?Key Types of DSLsWhat is Exposed?Why Exposed?Database Access APIs in ExposedWhich API Should You Choose?Step 3: Generate and Open the ProjectStep 4: Verify the ApplicationStep 5: Add Exposed Spring Boot 4 StarterStep …

This week adds a privacy-first analytics API, a pure-vector map engine with pluggable native providers, Apple TV and Android TV support with CSS @media for form factors, rich text and code editors, and device integrity and app review APIs. It is also a good moment to explain how we fund the project without doing the thing open source so often does to you.

Table of Contents The gap CVE scanners cannot seeMarshalHow the scoring actually worksTry it on your own pom.xmlWhat ships todayWhat is in the pipelineLinksI pointed a scanner I have been building at an old Spring project, and it flagged javax.activation. …

Table of Contents A Quick Refresher: What is the DataNavigator?What Is New in 1.14.0The Path Expression SyntaxPath Expression SyntaxReal-World ScenariosScenario 1: Processing an API ResponseScenario 2: Configuration IntrospectionScenario 3: Wildcard and Slice ExtractionChoosing the Right MethodPutting It All TogetherUpgrade and …

Table of Contents PrerequisitesStep 1: Generate the ProjectStep 2: Generate the domain classesStep 3: Defining the AI layer over MongoDB integrationStep 4: Showing the result with UIStep 5: Execute the applicationConclusionArtificial Intelligence has swiftly evolved from a niche research topic …

Table of Contents What is the Sense HAT?Why is the Sense HAT So Popular?Java, Education, and the Journey to SpaceWhy Use Pi4J Drivers?Initializing the Sense HATReading Environmental DataUsing the LED MatrixMotion and Orientation DataLearn More with Pi4J ExamplesAn Open Community …

Table of Contents CoreApplicationsComponents, Libraries, ToolsPodcasts, Videos, BooksConferences, PresentationsJFX CentralHere are the JavaFX LinksOfTheMonth of June 2026. You can find the weekly lists on jfx-central.com. Did we miss anything? Is there anything you want to have included in one of …

Table of Contents Day 1: September 8Day 2: September 9RegisterJoin live sessions and ask questionsRecordingsHashtagsWe are excited to invite you to IntelliJ IDEA Conf 2026, a free virtual event on September 8-9, 2026. IntelliJ IDEA Conf is a celebration of …

Table of Contents Not a sales pitchWhat Just HappenedHow findings like this are now getting madeThis is mainstreamSeven VulnerabilitiesThe Critical RCEsThe Access Control and Deserialization BypassesThe Validator Is the VulnerabilityThe Creaking Disclosure PipelineWho’s EffectedIf you are on an EOL streamWhat …

Table of Contents The Remaining GapWhat We Are BuildingThe Core Idea: Externalizing Workflow StateThe Checkpoint DocumentCheckpoint LifecycleGiving the Model the Ability to Observe The SystemsPropagating Context Into Tool MethodsAudit Trails with ToolExecutionPause, Inspect, ResumeA Demo ScenarioWhat This Architecture Makes PossibleConclusionThis …