Can You Explain the Diff Your AI Agent Just Wrote?
Table of Contents The one-month timelineWhat green tests don't proveThe day development stopsExplain it in your own wordsThe Java lesson: where the invariant livesWhat a debugger adds that the chat can'tA checklist for any agent, before you accept a diffDisclosure ...
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How I Built an AI Assistant for My Career with Java, Spring AI, and MongoDB
Table of Contents Storing the Knowledge Base with Spring AI VectorStoreThe ProblemThe SolutionExposing Capabilities as ToolsStructured MongoDB QuerySemantic SearchExternal Service with CalendlyThe best way to learn a technology is by putting it into practice in a real system. A few …
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Hello Java 27! Have You Been Working Out?
Java 27 is like that friend that you haven’t seen all summer, and when you finally see them again it’s clear that they spent a lot of time in the gym. Bringing numerous improvements to performance and security, this version of Java seems to be in top shape. This post has all the info!
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Foojay Podcast #101: Java 27 in Practice: Smaller Heaps, Smarter Defaults, and Valhalla on the Horizon
Table of Contents YouTubePodcast AppsGuestsLinksContentJDK 27 arrives on 15 September 2026, and it is a feature release rather than a Long-Term Support one. That distinction matters less than it sounds: as Simon Ritter points out, all OpenJDK releases are delivered …
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Come for Java. Get a Whole Lot More.
Table of Contents From Orlando to AtlantaThree ways to experience JCON USASession highlightsA complete technical conference around JCONA home for the Java communityEvent informationJCON USA returns inside IBM TechXchange 2026 with two rooms of deep Java content, a dedicated community …
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Reflection-Free Serialization on the JVM: Four Formats In, Avro Out
Table of Contents Where the reflection cost comes fromAvro, the part we built by handThe heartbreakWhat changed, measuredWhen I would not botherTakeawayI run a model layer that accepts the same business data in JSON, XML, YAML, and TOML and converts …
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One Base URL, Many Coding Agents: What an OpenAI-Compatible Gateway Looks Like From java.net.http
Table of Contents What a gateway is, mechanicallyProbing it from JavaThe boundary a Java developer should care aboutLesson one: code does not tokenize like proseLesson two: refresh the token before it dies, one per serverA checklist before you paste a …
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Masking a JVM thread dump without breaking the analysis
Table of Contents What a thread dump actually leaksWhy “mask everything” doesn’t workHow a name becomes a tokenThe flow, from the point of view of someone who has never run itDoes the analysis survive?What a security team can actually checkWhere …
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Debugging Is Invariant Discovery: What One Kafka Session Taught Us About AI Agents
Table of Contents The shape of the sessionWhat the agent got rightWhat it got wrong, and why it matters for Java teamsThe agent’s only sensor was the developerThe Java lesson: write the invariant down where a test can see itWhat …
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Community Spotlight: BoxLang Express Brings Node-Style HTTP to the JVM
Table of Contents The itch that started itWhat’s insideMiddleware, the way you already know itTwo view engines, your choiceBuilt with a defensive postureExpress Test AppWhy this matters If you’ve spent years in Spring Boot, Micronaut, or Jakarta EE, “web framework” …
