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Java tutorials, experiments, real-world projects,… newest first.
JavaFX Links of September 2026
Here are the JavaFX LinksOfTheMonth of September 2026. This was a big month with the release of JavaFX 27!
The New Foojay.io: Generated by Hugo, Maintained by Java
Publishing an article on Foojay used to mean creating an account, learning a web editor, and hoping your code blocks survived the formatting. Since this week it means opening a …
A Raspberry Pi Zero Broke the Tally Light of my Blackmagic Camera
Boys don’t grow up to men, their toys just get more expensive… More than 25 years ago I worked in professional television, in a time when a switcher with tally and …
JavaFX Links of August 2026
Here are the JavaFX LinksOfTheMonth of August 2026. We took a summer break, so there was only one “Links Of The Week” this month, and it covers all of August. We hope …
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 you want to have included in one of the …
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 question more than a product: is there any …
MelodyMatrix 1.2.0 and 1.2.1: Learn Section Groundwork, Playback Improvements, and a Startup Fix
Two MelodyMatrix releases went out last week, one right after the other. 1.2.0 brings the first steps toward a Learn section, some playback improvements, and initial MusicXML …
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: falling blocks, chords, guitar …
First Test of Java on Banana Pi (ARM and RISC-V), Plus a Blinking LED with Pi4J
As part of my 2026 learning goals around Java on RISC-V (see this post about x86 versus ARM versus RISC-V ), I’ve asked various suppliers to send me evaluation boards. I …
A New Website for MelodyMatrix, and What's New in Release 1.1.0
Last week was busy for MelodyMatrix . The website got rebuilt from the ground up, and the app itself got a solid release with a handful of new features.
My Book 'Java Programming for Raspberry Pi' is Now Available as Softcover and Hardcover on Amazon
“Java Programming for Raspberry Pi: A Hands-On Guide to Electronics and IoT Projects” is now available as a softcover and hardcover paper book through Amazon, on top of …
Closing the Visual Gap Between the Official Lottie Webplayer and Lottie4J
A Lottie library is only as good as its output looks. If an animation renders differently in Lottie4J than it does in the official web player, that’s a bug, even when no …
JavaFX Links of June 2026
Here are the JavaFX LinksOfTheMonth of June 2026. You can find the weekly lists on jfx-central.com . Did we miss anything? Is there anything you want to have included in one of the …
From breadboard chaos to a real PCB: designing the Pi4J smoke test board
Testing a Java I/O library properly means testing it on real hardware. No mocks, no stubs, just actual pins doing actual things. For Pi4J, that means running the smoke test: a …
JavaFX In Action #27 with David Gutierrez about JMathAnim to Create Mathematical Animations
The JFX Central Links Of The Week is a great source to discover what is happening in the JavaFX world. One of the projects that caught my eye is JMathAnim, a tool to create …
A Fresh Design for webtechie.be
This website grew over many years into more than 260 posts, 220 videos, 100 podcasts, and 60 presentations. The old design buried most of that under a layout that no longer matched …
Lottie4J Meets LottieFiles: A Conversation with Naail Abdul Rahman
Lottie animations run on Android, iOS, and the web. Getting them working on the JVM is a different story. Lottie4J started as a question: can JavaFX render them without a WebView? …
JavaFX Links of May 2026
Here are the JavaFX LinksOfTheMonth of May 2026. You can find the weekly lists on jfx-central.com . Did we miss anything? Is there anything you want to have included in one of the …
JavaFX Links of April 2026
Here are the JavaFX LinksOfTheMonth of April 2026. You can find the weekly lists on jfx-central.com . Did we miss anything? Is there anything you want to have included in one of …
Links from the JCON talk 'Foreign Function & Memory (FFM) API on Raspberry Pi'
These are the links from the JCON talk in Cologne, Germany, on April 22, 2026: “The Wait is Over: Foreign Function & Memory (FFM) API brings modern Java to the Raspberry …