JC-AI Newsletter #13
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 …
Friends Of OpenJDK Today
Every article on foojay.io, newest first: OpenJDK, the JVM, Java tooling and the ecosystem around them, written by the Java community.
MongoDB 8.0 Migration Guide: What You Need to Know Before Upgrading
Have you ever wondered why updates and upgrades are so essential for any system? Well, it’s no secret: They ensure that systems remain …
From a JAR to a full-fledged MacOS app
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 …
BoxLang 1.10.0: Functional Arrays, Elegant Loops & Distributed Locking
We're excited to announce BoxLang 1.10.0, a feature-packed release that brings powerful functional programming capabilities, elegant loop …
First Test of Java on the VisionFive 2 Lite (RISC-V
As part of my 2026 learning goals around Java on RISC-V (see this post about x86 versus ARM versus RISC-V), I've asking various suppliers to …
GraphQL for Java Developers: Building a Flexible Data Layer
For many years, REST has been the standard architectural style for creating APIs in the Java ecosystem. Frameworks such as Spring MVC and, …
FOSDEM 2026: Open Source Supply Chains, CRA Compliance, and the Future of Software
Is open source hitting a watershed moment? After 8,000 developers converged for FOSDEM 2026, it’s clear that legal obligations and supply …
Feedback on checked exceptions and lambdas
I got a lot of interesting feedback on Checked exceptions and lambdas. Let's start with my own: after writing the post, I realized I had …
Bringing Java Closer to Education: A Community-Driven Initiative
Over the past decades, Java has proven itself to be one of the most reliable, versatile, and widely used programming languages in the world. …
Claude Code SonarQube MCP: A Java Developer’s Workflow
Stay in the flow with the Claude Code SonarQube MCP integration. Verify Java code, fix security issues, and check quality gates directly …