What I Learned Building an AI Code Reviewer with Java and Spring Boot
What I learned building an AI code-review workflow around GitHub Pull Requests, Spring Boot, and multiple AI providers.
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.
One Embedding per Job, or Two? Measuring Semantic Search in a Spring Boot Job Portal
I stored two embeddings for every job in my Spring Boot job portal and measured which one finds the right jobs. One of them barely mattered, …
Introduction to Error Prone: How to Catch Bugs at Compile Time
Error Prone plugs into javac to catch code that compiles but is most likely wrong. A tour of its built-in checks, Refaster rules and custom …
Your agents don't need an LLM to negotiate
A manager hands a job to one of three workers, and nothing in the program calls a model. It explains the protocol, and what doesn't survive …
Testing Jakarta EE: Three Layers, Three Tools
A guide to Simon Laden's three-part series on testing Jakarta EE with WeldInitiator, Arquillian and Testcontainers, and the question each …
Media Partner for OCX27 and jChampions Conference 2027
Foojay is a media partner of OCX 2027 in Brussels and the jChampions Conference 2027 — dates, details, and how to submit a talk for each.
Keep WordPress If You're Looking for Trouble... Or Read This!
~13K WordPress sites get hacked every day. Here's why static site generators are the answer, and how to migrate.
We Didn't Want to Build Another Java Server
Why we brought Codename One's mobile runtime to the server: small native Java executables, Go comparisons, and shared code from the app to …
Introducing cbGenesis: The AI-Native ColdBox Starter for BoxLang
cbGenesis 1.0 is a production-ready ColdBox starter for BoxLang with auth, RBAC, security, tests, admin tools, and AI-native guidance.
How to Create Agent Skills: Tools, Testing, and Installation
A practical guide to creating, validating, testing, and installing Agent Skills in Claude Code, from SKILL.md to plugin eval.