Manage HTTP Sessions with Spring Session MongoDB
Spring Session MongoDB is a library that enables Spring applications to store and manage HTTP session data in MongoDB rather than relying on …
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.
Experimenting with AI subagents
I like to analyze codebases I start working on, or that I left for months. I ask my coding assistant, case in point, Copilot CLI: "analyze …
Thread Safe Native Memory in Java
Thread-safe native memory access covering Plain, Opaque, Acquire/Release, and Volatile with JCStress tests to prove each guarantee
BoxLang AI v3 Has Landed - Multi-Agent Orchestration, Tooling, Skills and so much more
It's been a while since we've shipped something this big. BoxLang AI 3.0 is a ground-up rethink of how AI agents, models, and tools work in …
From Zero to Full Observability with Dash0
This guide walks through the complete process of deploying a minimal Spring Boot service to Kubernetes and adding full observability using …
Introducing Floci: A High-Performance, GraalVM-Powered AWS Emulator
The Motivation: Why Another AWS Emulator? As Java developers, we are used to local-first development. Tools that emulate the cloud …
Does Java Really Use Too Much Memory? Let’s Look at the Facts (JEPs)
Breaking news: Java has been confirmed to consume all available RAM. Developers worldwide shocked. … okay, not really. Happy April 1st. It’s …
Java Faceted Full-Text Search API Using MongoDB Atlas Search
This is going to be a fun, practical tutorial demonstrating how to build a Java faceted full-text search API (like the ones powering sites …
Oracle's Java Verified Portfolio and JavaFX: What It Actually Means
Oracle's JavaOne 2026 brought an announcement that caught some attention in the Java community: the Java Verified Portfolio (JVP), a new …
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 …