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 default, while TeaVM
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.
How 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: …
Featured Foojay Authors for July and August 2026
Foojay wouldn't exist without the many contributions from its community, whether it's a single post or an ongoing stream of knowledge …
New Between-Quarters Security Updates for Java: What CSPUs Mean for Your Release Pipeline
In an announcement on the OpenJDK Updates Mailinglist on July 20, 2026, Rob McKenna explained a change in the Oracle security release cycle …
Own Your Pixels: Native Fidelity on Your Schedule
Codename One statically links its lightweight UI into your native app, so an OS update cannot silently redesign it. New native-reference …
AI Found the Bugs. Who's Patching Your EOL Java Code?
AI finds decades-old flaws at machine speed, but the fixes only reach supported versions. What that means for end-of-life Java, and what to …
Podcasts
Catch up on the most recent episodes and stay updated with the latest OpenJDK innovations.
Foojay Podcast #100: Java Podcasters on Why They Started, What Broke, and What They Learned
Foojay Podcast hits episode 100. No plan, no roadmap. It just happened. To mark the occasion, Frank turned the microphone around and invited …
Quarkus Unpacked: Insights from the Foojay Podcast
I recently had the pleasure of joining the Foojay podcast to talk about Quarkus in depth. The conversation covered a lot of ground, from …
Foojay Podcast #99: Testing the Untestable: LLM Security for Java Developers with Tiberius
Your Java AI app is live. But have you tested whether it can be jailbroken? Iryna Dohndorf introduces Tiberius, an open-source security …
Foojay Podcast #98: The End of JNI Pain: How WebAssembly Is Quietly Replacing Native Libraries in Java
WebAssembly is already running inside Java applications, most developers just don't know it yet. In this episode, Andrea Peruffo walks us …
Getting started with Java
Is Java your first language, or are you coming from another one? Let friends of OpenJDK help you get up and running.
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.
Using the Raspberry Pi Sense HAT with Pi4J Drivers
One of the biggest advantages of the Pi4J Drivers project is the ability to interact with complex hardware through simple and intuitive Java …
Pi4J Drivers: Simplifying Sensor and Hardware Integration in Java
When developing Java applications for Raspberry Pi, Pi4J is one of the most popular libraries for accessing GPIO, I2C, SPI, PWM, and other …
Quarkus Unpacked: Insights from the Foojay Podcast
I recently had the pleasure of joining the Foojay podcast to talk about Quarkus in depth. The conversation covered a lot of ground, from …
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