Friends of OpenJDK

Friends of OpenJDK Today

foojay is a place for friends of OpenJDK, providing free, reference materials and blogs for daily Java usage.

You are invited to IntelliJ IDEA Conf 2026, a free virtual event on March 26-27, 2026. Learn about topics relevant to modern Java and …

Jun 29, 2026 Steve Poole

Seven jackson-databind vulnerabilities, one researcher, one day. Two critical RCEs. This is AI-assisted security research in practice.

Jun 29, 2026 Matteo Rossi

This is the third and final article in the series. Part 1 covered the RAG foundation — loading runbooks into a vector store and grounding …

A few weeks ago, we wrote about a new generation of Java libraries powered by WebAssembly. SQLite, QuickJS, Protocol Buffers, the Ruby Prism …

Why Your Codebase Is Forcing AI to Underperform, and What to Do About It Your AI coding assistant is only as good as the codebase it works …

Jun 26, 2026 Shai Almog

This week adds a native Linux desktop port, an Apple Watch and Wear OS port, a visual Game Builder with a high-level gaming API, and …

Jun 26, 2026 Aicha Laafia

65 million years ago, dinosaurs didn't adapt. They're gone. Your JDK 7 app is giving the same energy. 🫠 I spent a year and a half migrating …

And why MongoDB might be a better relational database than you ever realized. Design reviews are one-on-one meetings where MongoDB experts …

When developing Java applications for Raspberry Pi, Pi4J is one of the most popular libraries for accessing GPIO, I2C, SPI, PWM, and other …

The June 2026 Azul Payara release ships a critical security fix across every supported branch, Jakarta EE 11 GA libraries, and key updates …