How We Built a Java AI Agent by Connecting the Dots the Ecosystem Already Had
We built an AI agent runtime in pure Java using Spring AI, Spring Modulith, JobRunr, and Spring Events and called it ClawRunr (aka …
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.
Grails Is Back: Inside the Apache Software Foundation Migration
Grails graduated to a Top-Level Apache project in 2025. Here's what the 18-month migration, Grails 7 release, and Spring Boot alignment mean …
The Software Architect Elevator
I don't think it's necessary to introduce Gregor Hohpe. I'm a big fan, having read Enterprise Integration Patterns, and I've recommended the …
TestBox 7: Real-Time Feedback, a Browser-Based IDE, and Modern Testing Workflows on the JVM
TestBox 7.x focuses on improving testing workflows for BoxLang and CFML applications. This release introduces improvements to the BoxLang …
Clean Architecture with Spring Boot and MongoDB
In this article, you will build a product catalog with orders. Products have names, prices, and stock quantities. Orders reference products …
Eclipse GlassFish: This Isn’t Your Father’s GlassFish
GlassFish is an application server with a long history and has always had a special role in the Java world as the reference implementation …
Lottie4J 1.2.0: dotLottie Support, Marker Playback, Cropping, and a Big Speed Boost
Version 1.2.0 of Lottie4J is out, and it's again a big release! The headline feature is support for the .lottie container format, but that's …
How to Use Java as a Scripting Language
Discover how Java has evolved into a powerful scripting language, eliminating boilerplate and enabling instant execution for automation …
Azul Zulu OpenJDK Docker Images Now Available on Docker Hub
Azul Zulu OpenJDK is now available as a Docker Official Image, giving developers secure, signed, and automatically updated Java containers …
Native Memory in Java: Arenas, Malloc, and Pools
Managing native memory in Java using the Foreign Function & Memory API, covering Arenas, manual allocation, pooling, and slicing