Friends of OpenJDK Today

Table of Contents Why Cache Invalidation Becomes Hard in Distributed SystemsTime-Based Expiration (TTL)The Cache-Aside PatternEvent-Based Cache InvalidationVersioned Cache KeysMulti-Layer CachingEvent-Driven Cache RebuildsChoosing the Right StrategyFinal Thoughts Caching is one of the most powerful tools developers have at their disposal for …

Table of Contents 🌲 The Agent TreeCycle Detection Built-In🤖 Sub-Agents as Tools🏢 AiAgent is Now Fully Stateless🧠 Per-Call Identity Routing on Memory🏗️ The Agent Run Lifecycle🌊 Streaming with Multi-Agent Teams🔄 Suspend and Resume🔍 Introspection🚀 A Complete Multi-Agent ExampleWhat’s Next BoxLang …

Table of Contents What Is MelodyMatrix?What Is jDeploy?The Video: Preparing and Triggering the First Release TogetherWhy jDeploy, and Why It Is FreeA Side Note on Lottie4JTimelineLinks Some side projects take a while to get to a proper release. MelodyMatrix is …

Table of Contents IntroductionRole of Agentic AI FrameworksWhat is Spring AI and Spring AI SDK?What is Amazon Bedrock AgentCore and Why?Amazon Bedrock AgentCore Capabilties1. AgentCore Runtime2. AgentCore Memory3. AgentCore Gateway4. AgentCore Identity5. AgentCore Policy6. Build-inTool: Code Interpreter7. Build-inTool: Browser8. Gen …

Table of Contents The CVE Blind SpotThe River StyxThe Rules Changed. The Habits Didn’t.What This Looks Like in PracticeWhen Dependencies Become ZombiesSpring Boot 3.5: The Next CrossingWe’ve Seen This Film BeforeThe Window Is Open. For Now.The Map, Not Just the …

Table of Contents TLDRIntroOpenJDKEclipse TemurinLiberica JDKAzul ZuluAmazon CorrettoIBM Semeru RuntimesRed Hat OpenJDKSapMachineMicrosoft Build of OpenJDKMaking the Call TLDR Intro Picking a Java runtime is like picking any commodity infrastructure, isn’t it? You simply find the version you need and grab …

Table of Contents Agents everywhereRod Johnson on the roadThe sessions that didn’t get the main stageA few things from the HeroDevs cornerThe documentaryWhat I’m taking home Spring I/O 2026 wrapped in Barcelona on Wednesday. Three days at the Palau de …

Table of Contents What you’ll learnThe Spring standard repositoryCreating separate repositories for the read and writeThe read RepositoryThe write repositoryWhen requirements changeThe double-edged sword of Spring updates in MongoDBIncreased network trafficOplog bloat and replacing documentsConclusionFurther reading What you’ll learn The …

Table of Contents 🏗️ The Tool Hierarchy🧱 BaseTool — The Abstract FoundationFluent Schema Description⚡ ClosureTool — Zero-Boilerplate Tool CreationTools Get the Full Chat Request🗄️ The Global AI Tool RegistryModule Namespacing@AITool Annotation ScanningTwo-Step Resolution🔧 Built-In Core Tools — now@bxai🔌 MCPTool — …

Table of Contents The ProblemThe ArchitectureComponent 1: The Queue & Tweet GeneratorHandling New PatternsComponent 2: The Post ScriptOAuth 1.0a in JavaComponent 3: The GitHub Actions WorkflowThe EconomicsBuilt in a Single Copilot CLI SessionWhat I’d Do DifferentlyTry It Yourself Every Monday …

Table of Contents 🧠 What Is a Skill?📄 The SKILL.md File Format🔧 Creating Skills⚡ Two Injection ModesAlways-On SkillsLazy / Available SkillsThe loadSkill Tool — Auto-Registered, Not MagicPromoting Lazy Skills Mid-Session🌍 Global Skills Pool🎨 How Skills Render🔍 Introspection📋 Full Skills API …

Table of Contents YouTubePodcast AppsContent In this episode of the Foojay Podcast, we’re bringing you something special: a full batch of hallway-track conversations recorded live at VoxxedDays Amsterdam. Fifteen guests, one conference, and one theme that kept coming back, whether …