Sheetmusic4J 0.0.3: ABC Notation, Guitar Pro, Engraving Improvements
Last week I introduced Sheetmusic4J, a Java(FX) library to render and interact with sheet music. That first 0.0.1 release was really a …
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.
Jakarta Agentic AI Hits Its First Milestone
Jakarta Agentic AI hits its first milestone - 1.0.0-M1 is live on Maven Central, with a draft spec defining annotation-driven AI agents for …
Idempotent Spring Boot: Safe REST with One Annotation
An idempotent Spring Boot starter that replays duplicate requests instead of re-executing them. One annotation, Redis or JDBC, atomic …
The Codename One JavaScript Port Is Now Free and Open Source
Codename One's JavaScript port is now open source, available on every plan, and buildable locally without an account. ParparVM is the …
GitHub agentic workflows and Renovate
I've been a big fan of Renovate for a couple of years already. Renovate scans your repositories, detects outdated package versions, and …
JavaFX Links of July 2026
Here are the JavaFX LinksOfTheMonth of July 2026. You can find the weekly lists on jfx-central.com. Did we miss anything? Is there anything …
Keeping Java Hot This Summer
Simon Ritter tours US & Canada JUGs in August 2026 with a deep technical talk on JVM startup and warmup. Find your city and register.
1,082 viewsHow to Create a Spring Boot Fraud Scoring Service
Most Java teams who want a machine learning model in production end up standing up a Python service and calling it over HTTP. That works, …
HTTP QUERY Method Explained: RFC 10008, Ecosystem Adoption, and a Quarkus Implementation
When you build a search API, you usually start with HTTP GET, the natural choice for a read operation: it is safe, idempotent, and …
Introducing Sheetmusic4J, a Java(FX) Library to Render and Interact with Sheet Music
I'm building MelodyMatrix with my son, an application to look at and play along with music. The app already shows a song in different views: …