Building a Personalized Content Delivery System
Recommendation engines have a reputation for requiring specialized ML infrastructure: matrix factorization pipelines, training jobs, and …
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.
BoxLang AI Deep Dive — Part 4 of 7: Middleware — The Missing Layer in Every AI Framework
BoxLang AI 3.0 Series · Part 4 of 7 Here's the question every team eventually asks about their AI agents: how do we test these things? …
Eliminating Flaky Tests to End World Hunger
Tired of rerunning the same broken pipeline? Learn how to find and fix flaky tests with better data, waits, parallel runs and team habits.
Azul Zulu April 2026 Quarterly Update Released
The April 2026 quarterly update for Azul Zulu Builds of OpenJDK is now available. This quarterly release brings security and bug fixes, …
Making illegal state unrepresentable
A couple of years ago, I wrote that The Builder pattern is a finite state machine!. A state machine consists of states and transitions …
Distributed Cache Invalidation Patterns
Caching is one of the most powerful tools developers have at their disposal for optimizing application performance. Caching systems can …
BoxLang AI Deep Dive — Part 3 of 7: Multi-Agent Orchestration — Building AI Teams That Work
BoxLang AI 3.0 Series · Part 3 of 7 A single agent is useful. An orchestra of agents is powerful. The problem with most multi-agent …
MelodyMatrix V1.0.0 Released: Shipping a JavaFX App with jDeploy, GitHub Actions, and Auto-Update
Some side projects take a while to get to a proper release. MelodyMatrix is one of those. The app has been downloadable for quite some time …
Explore Spring AI SDK - Amazon Bedrock AgentCore - Part 1
Learn how to use Spring AI SDK with the Amazon Bedrock AgentCore to build scalable AI-powered applications.
Spring Boot 3.5 EOL — The CVE Blind Spot Nobody Talks About
Spring Boot 3.5 goes EOL June 30, 2026. But the real risk isn't the migration. It's what happens to CVE reporting once a project reaches end …