Table of Contents Streaming Data - The Air Traffic Control Example.Reactive Java - a brief historyReactive Java with MongoDB and KafkaBlocking Code VersionReactive Code VersionBlocking Versus Reactive Application Performance.Final Thoughts Reactive Java is well suited to modern s … | Continue reading
Table of Contents Installing the PluginKey Features 🎨 BoxLang Syntax Highlighting 🧰 BoxLang Project Creation 🧠 Language Server (LSP) Support 🐞 Debugging Support 🧪 TestBox Integration 🔵 CFML Syntax Highlighting Designed for the JVM E … | Continue reading
Table of Contents What is Lottie?The Complexity of LottieLottie4J ProjectProject StructureMaking Sense of the JSONExample AnimationsHow to Use Lottie4JContinuous EvolutionGet Started I'm proud to present a new JavaFX library: Lottie4J, that brings Lottie animations to JavaFX appl … | Continue reading
Table of Contents What is DPoP?The Problem: Bearer Tokens and the "Finders Keepers" RiskHow Does DPoP Work?Configuring DPoP in KeycloakDPoP in Action with QuarkusProject SetupProtected EndpointsReplay Protection with a jti FilterTesting with k6Conclusion DPoP is one of the most e … | Continue reading
Table of Contents Authorization Is a Business ConcernModeling Permissions FirstUsing MongoDB for User MetadataFrom Infrastructure Model to Application PrincipalCentralizing Authorization LogicContextual Rules: Where RBAC StopsRBAC vs ABAC: When Roles Are Not EnoughThe Architectur … | Continue reading
I built a Spring Boot 4 REST API that defines terms using Wikidata, orchestrated by an Embabel agent—no API keys, no local models, fully reproducible. The post No Keys, No LLM: Building a Wikidata Definition API with Embabel appeared first on foojay. | Continue reading
Table of Contents Benchmark ToolBenchmarkRunner.java - The User ToolSummarizeReports.java - The Automation ToolAbout The Renaissance Benchmark SuiteThe ResultsThe DashboardAnalyzing the ResultsSelecting a WinnerConclusionTry It Yourself!What's Next? In my "Java on Single Board Co … | Continue reading
Table of Contents Concurrency in data enrichmentMachine concurrency Human concurrencySchema design patternsBest practicesPlan for concurrencyUse a separate collection for pessimistic lockingAdd an auto-save to your application when humans and locks are involvedRelease the lock ap … | Continue reading
Two weeks have passed and a lot have been happening on the field of artificial-intelligence. Two weeks have passed and a lot has been silently yet visibly happening in the field of artificial intelligence. This newsletter brings interesting developments, including ... The post JC … | Continue reading
Table of Contents Getting StartedOption 1: BVM — BoxLang Version ManagerOption 2: Quick Installer — Zero Friction SetupAlways Up to DateReady to Try It? We're excited to announce the official BoxLang Homebrew tap — the easiest way to get BoxLang ... The post BoxLang Homebrew Inst … | Continue reading
Table of Contents JEP 500: Prepare to Make Final Mean FinalJEP 504: Remove the Applet APIJEP 516: Ahead-of-Time Object Caching with Any GCJEP 517: HTTP/3 for the HTTP Client APIJEP 522: G1 GC: Improve Throughput by Reducing SynchronizationUUIDv7 supportFeatures coming ... The pos … | Continue reading
Table of Contents What is Jakarta Agentic AI?What we discussed in the sessionWhy this matters for the Jakarta ecosystemWatch the recording and get involved Last week, Eclipse Foundation and Payara hosted Jakarta Agentic AI, An Open Conversation, an open house ... The post Shaping … | Continue reading
Table of Contents YouTubePodcast AppsGuestsLinksContent In this Foojay Podcast, we're celebrating a major milestone in Java development history: 25 years of IntelliJ IDEA. Think about it: IntelliJ IDEA launched in 2000, and since then, it has become the go-to IDE ... The post Foo … | Continue reading
Table of Contents ApplicationsComponents, Libraries, ToolsPodcasts, Videos, BooksTutorialsMiscellaneousJFX Central Here are the JavaFX LinksOfTheMonth of February 2026. You can find the weekly lists on jfx-central.com. Did we miss anything? Is there anything you want to have incl … | Continue reading
Table of Contents PrerequisitesSearch service designSearch service interfaceReturned resultsSearch service implementationGETting the search resultsAggregation pipeline behind the scenes$search in codeField projectionAggregating and respondingTaking it to productionFuture roadmapC … | Continue reading
Table of Contents Java 25 – Compact Source Files and Instance Main Methods (JEP 512)Java 25 – Flexible Constructor Bodies (JEP 513)30 Years of Pokémon. Decades of Java Evolution.LinksLinks Happy 30th Anniversary to Pokémon! 🎉 February 27, 2026 marks exactly ... The post G … | Continue reading
Table of Contents What's the risk?Who is AffectedThe FixHow to VerifyRecommendation A recent update to Apache Tomcat introduced a subtle but significant change to how TLS cipher suites are configured. If your Spring Boot application explicitly configures TLS ciphers, particularly … | Continue reading
Table of Contents How I used Claude Sonnet 4.6 and fleets of GitHub Copilot Coding Agents to internationalize java.evolved — from spec to deploymentThe Architecture Decision: Let the AI Draft the SpecPhase 1: Building the InfrastructurePhase 2: The First Translations ... The post … | Continue reading
The software development industry is more competitive than ever. Being a strong technical expert is essential, but on its own it is often not enough to grow your career or open new opportunities. In this short, practical talk DIY Technical ... The post Watch the Recording: DIY Te … | Continue reading
Table of Contents The ChallengeThe Solution: BeagleBoard Imaging UtilitySerial Connection SetupFailed With macOSSucceeded With LinuxInstalling Java 25What's Next: Performance TestingConclusion After my initial struggles with the BeagleV-Fire in a previous video, I succeeded in ge … | Continue reading
Table of Contents Raft Roles and MongoDB’s Replica SetLog Replication: Ensuring ConsistencyCommitment and Durability in MongoDBFailure Handling and RecoveryMongoDB-Specific Optimizations in RaftConsistency Levels with RaftRaft vs. Paxos: Why Chose RaftConclusion MongoDB’s replica … | Continue reading
Table of Contents The shift that matters for agent commerce - From “Crypto AI” to general AIWhat changed in x402 and ERC-8004 in the last month or so?This is the moment that unlocked agent commerceWhat is still missing?What does the ... The post From “Crypto AI” to general AI: Do … | Continue reading
Table of Contents Cloud-Native BoxLang Has Never Been Easier💰 Production-Ready for $5/Month🎯 Who Is This For?⚡ What You Get Out of the Box🚀 Deploy in 3 Clicks🔧 Grow Beyond the Basics🥊 Why BoxLang + DigitalOcean?📖 Get Started Today&# … | Continue reading
Table of Contents The Triforce of Performance Improvements in Java 25From 8-Bit to Open World – A Parallel Journey Java Has Leveled Up (Evolved) Happy 40th Anniversary to The Legend of Zelda! 🎉🗡️ Today, February 21, 2026, marks exactly 40 ... The post The Triforce … | Continue reading
Table of Contents What are GitHub Agentic Workflows?Security first: why this isn't just "giving AI the keys"Live stream demos: what we builtThe quick start experienceTaking it further: porting upstream changes agentically back to a downstream projectWatch the replay! If you ... T … | Continue reading
Table of Contents Less Boilerplate, More IntentSafer Type Handling and Control FlowWhy It MattersConclusion A community project called java.evolved was recently launched to document how common Java coding patterns have changed across releases. Instead of explaining features in is … | Continue reading
Table of Contents IntroductionWhy “Clean Core” Still Matters in 2026Hexagonal Architecture Recap Ports: Defining What the Core NeedsThe Domain Model Must Stay IgnorantMongoDB as an Adapter — Not a RepositoryMapping Between Domain and Persistence ModelsTesting: Where the Architect … | Continue reading
Table of Contents OmniFish - Modern Jakarta EE Runtimes The final version of Eclipse GlassFish 8 is here, released on 5 February 2026. As a GlassFish committer, I'd like to share what it brings for the Java community and some behind-the-scenes ... The post GlassFish 8 is here wit … | Continue reading
Table of Contents Why a Dedicated BoxLang Plugin?Why a Dedicated BoxLang Plugin?Dual-Syntax Architecture 1. BoxLang Script (.bx, .bxs) 2. BoxLang Templates (.bxm)Feature Highlights Comprehensive Language Support HTML Integration in Templates Expression Interpolation Code Folding … | Continue reading
Table of Contents ARM versus RISC-V?BeagleBoardsTest BoardsFirst TestsBeagleY-AI (ARM Processor)BeagleV-Fire (RISC-V Processor)BeagleV-Ahead (RISC-V Processor)PocketBeagle 2 2 (ARM Processor)Conclusion As part of my 2026 learning goals around Java on RISC-V (see this post about x … | Continue reading
Table of Contents Getting the metrics rightHow we measured performance2. Java Virtual Machine (JVM) intrinsics3. Check and check again4. BSON null terminator detection with SWAR5. Avoiding redundant copies and allocations6. String Encoding, removing method indirection and redunda … | Continue reading
Table of Contents What Makes This DifferentThe Gap in Java ToolingThe Original ProblemWhy Existing Tools Don't FitHow I Ended Up Building ThisA Real-World BugHow the Bug AppearedWhy It Was Hard to SpotThe Key Insight: Frequency ≠ Resource ConsumptionHow It WorksInstrumentationThe … | Continue reading
Hola developers !!!!! The 11th edition of DevBcn, the developer's conference in Barcelona is coming next June. The perfect place to have great technology talks 🤖, perfect weather 🏖️, amazing food 🥘, and an unforgettable experience 💖. It will be ... … | Continue reading
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 Wh … | Continue reading
Table of Contents The JDK ships a perfectly good debugger. Nobody uses it.Agent Skills: Teaching new tricks through MarkdownBuilding the skill: a conversation with CopilotWhat the skill containsThe real test: debugging a buggy Swing app, liveThe debugging sessionA small but ... T … | Continue reading
Table of Contents What is Windsurf AI?Main characteristics that make Windsurf differentThe Usual Flow and the "Verification" ProblemWhat are Agent Skills?Example: A Skill with Command ExecutionThe Problem: Local Skills vs. The Cloud ☁️What is MCP technology?Let me introduce you t … | Continue reading
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 ... The post Foojay Podcast #90: … | Continue reading
Table of Contents The ProblemThe Strategy: CSS OverlayStep 1: Create Your Custom report.cssStep 2: Overlay CSS During Maven BuildStep 3: Handle CI Deployment (Optional)Watch Out: Output Directory PathsThe ResultQuick Start ChecklistFull Example JaCoCo is the go-to code coverage t … | Continue reading
Table of Contents Sharding as a horizontal scaling strategyUnderstanding a sharded cluster architectureShardsConfig serversMongosDistributing data in a sharded clusterWhen should you shard a collection?Vertical limits or costLarge datasetsFaster backup and restore timesHigh write … | Continue reading
Table of Contents first, a word about ecosystemsSpeed first.Still optimised for speed.Open Source Security Doesn’t Work the Way You Think It DoesThis matters more than people realise.The Inevitable AI in the MixEnter Shai-HuludThen it pivoted.The defining shift.This Is Also What … | Continue reading
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 ass … | Continue reading
Table of Contents Day 1: March 26Day 2: March 27RegisterJoin live sessions and ask questionsRecordingsHashtags We are excited to invite you to IntelliJ IDEA Conf 2026, a free virtual event on March 26-27, 2026. IntelliJ IDEA Conf is a celebration ... The post You’re invited to In … | Continue reading
Table of Contents Reactive Streams: The Contract Behind ReactorProject Reactor Core ConceptsBackpressure: The Hard Part Reactive Does Not Mean FasterMongoDB Reactive Driver: Architecture OverviewIntegrating MongoDB Reactive Driver with Project ReactorPerformance Considerations wi … | Continue reading
Table of Contents What You’ll LearnWho Should AttendRegister NowJoin the Ortus Community Unlock Enterprise AI on the JVM with BoxLang AI Build Agents, RAG Pipelines & Multi-Model Workflows — One API, Zero Lock-In Modern enterprises want to move fast with ... The post Join Our Web … | Continue reading
Table of Contents Which model to use?The ControllerThe Spam Detection ServiceRunning the service via DockerConclusion Believe it or not, it is possible to do Machine Learning in Java. In this article I go over how to implement a Spring Boot ... The post Machine Learning Based SPA … | Continue reading
Two weeks have passed, and it is time to present a new collection of readings that may shape developments, utilization or ideas in the field of artificial intelligence in 2026. While significant activity characterizes the AI field, many unresolved research, ... The post JC-AI New … | Continue reading
Table of Contents What's new in version 8.0? General changesQueryable EncryptionExpress query stagesQuery shape and query settingsCompatibility and deprecationsQuery behaviorIndex filtersMigration planning and strategyPre-migration assessment Staging cluster: your testing hubUpgr … | Continue reading
Table of Contents The problemThe solutionImproving the buildFinishing touchesConclusion A couple of years ago, I developed a small Kotlin GUI to help me rename my files in batch. I actually created it with different JVM frameworks to compare their relative ... The post From a JAR … | Continue reading