Friends of OpenJDK Today

Table of Contents The Chaos and the CrowdFOSDEM isn’t a conference so much as a live snapshot of the open source ecosystem in action.Navigating the FirehoseSo why go in person when you could watch from your sofa?Trends and Tensions in …

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 First things first: What is Claude Code? 🤖The Old Way: The Context-Switching Tax 💸The Missing Piece: SonarQube MCP Server 🧩The Workflow: Generate, Verify, Remediate 🔄Step 1: The Setup 🛠️Step 2: The Action (Java Example) ☕Interacting with your …

Java developers from around the world are writing a book about a question that’s becoming impossible to ignore: how do we write software that’s good for both our projects and the planet? Sustainability for Java Developers: Towards an Understanding of …

Table of Contents CoreApplicationsGamesComponents, Libraries, ToolsPodcasts, Videos, BooksTutorialsMiscellaneousJFX Central Here are the JavaFX LinksOfTheMonth of January 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 Foojay.io friends, you’re invited—for free!Relive JCON EUROPE 2025 At JCON EUROPE, developers, speakers, and contributors from across the globe come together to exchange ideas, share experiences, and connect around Java. What makes our Java community special isn’t …

Table of Contents A simple implementationPrerequisitesThe domain classThe DAO APIThe ProductDao classUsing the DAOUsing MongoDB as the persistence layerSetting up MongoDBThe MongoDBProductDao classConnecting to MongoDBThe application classAdvanced considerationsPreventing business logic leakageAdding custom query methodsError handlingConclusion The Data Access Object (DAO) …

Table of Contents Where fragmentation shows upWhy platform architecture mattersJoin our webinar: Insights on Enterprise Java, Trends, Challenges and StrategiesExplore the data Enterprise Java has matured into one of the most stable and widely adopted ecosystems in software development. Yet …

Testing email functionality is often painful. SMTP servers are external, tests become slow or flaky, and local setups differ from CI environments. As a result, many teams either mock the mail sender or skip proper email tests completely.

Table of Contents History of File Systems Within JavaBefore You StartURI DesignFile Tree ManagementBinary StorageThe Bare MinimumNext StepsFinal ThoughtsReferences LinksImage Credits So what does file system mean to you? Most think of file systems as directories and files accessed via …

Table of Contents OrangePi LineupTest BoardsOrangePi 5 UltraOrangePi RV2Getting StartedHardware SetupJava Installation and TestingOrangePi 5 Ultra (ARM)OrangePi RV2 (RISC-V)Conclusion As part of my 2026 learning goals around Java on Single Board Computers and RISC-V (see this post about x86 versus …

Table of Contents PrerequisitesStep 1: Create the project structureStep 2: Create the test infrastructureStep 3: Generate our first scenario testConclusion When we face software development, the biggest mistake is about delivering what the client wants. It sounds like a cliché, …