Create an Uber Clone in 1 Minute
Own a full-stack Java ride-hailing application: rider, driver and admin apps, payments, live tracking and push.
Pi4J Drivers V1.2.0: ePaper, DAC/ADC, Motors, and LoRa
Pi4J Drivers V1.2.0 adds ePaper displays with partial updates, new DAC and ADC drivers, motor and servo controllers, and a LoRa transceiver driver for Java on the Raspberry Pi.
Sheetmusic4J 0.0.5: LilyPond Import and Export
Sheetmusic4J 0.0.5 can read and write LilyPond files through the ScoreFile facade, and brings engraving improvements like tuplet placement and octave clefs.
Arcana: One Pure-Java Library for (Almost) Every Archive Format
Arcana extracts ZIP, 7z, RAR 5, zstd, MSI, ISO, DMG and 40+ formats in pure Java 8: no native code, no dependencies, one JAR on Maven Central.
How three Java Champions put GitHub Copilot to work
Three Java Champions share practical GitHub Copilot workflows, from feature development to agentic verification and debugging Pi4J.
New Java Features Are Not Just for Interviews. Two Real-World Use Cases from Axelix
See how Axelix uses Java ScopedValue to propagate security context and sealed interfaces to protect domain invariants in real-world production code.
What jstack Misses When Your Java Service Uses Virtual Threads
A service with virtual threads can have thousands of requests waiting while jstack shows idle carriers. How to read Thread.dump_to_file instead, JDK 21 to 25.
Announcing Vitra – A Modern UI Library for JavaFX
Vitra is a carefully crafted UI library that brings modern controls, Fluent-inspired materials and professional surfaces to JavaFX applications.
JVM on Nanos: Five Garbage Collectors, Same Trade-offs, and Working Heap Uncommit
Testing five HotSpot garbage collectors and heap uncommit on Nanos, revisiting the Akamas study with Eclipse Temurin 25 and Renaissance.
How We Share Foojay Posts on Social Media
Every new Foojay article is announced on Mastodon, Bluesky and LinkedIn by one small JBang script. How it works and which problems we had to solve.
The Maven Build Cache in Practice
The Maven Build Cache significantly reduces build times in enterprise projects. Learn how we introduced it in Azure DevOps pipelines, the issues we encountered, and the valuable lessons we learned along the way.
