Optimizing nanosecond operations: when the CPU cache matters
A check took 29 s. Removing it saved 24 s - the rest moved to a line we didn't touch. Why?
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.
47 viewsFoojay Podcast #104: 53 CVEs, Two Emergency Releases: Why Java Security Holds Up with Simon Ritter
A record 53 CVEs and two out-of-cycle releases in one week. Simon Ritter explains what happened, why Java security holds up, and how to stay …
Featured Foojay Authors for November 2026: Geertjan Wielenga and Ricardo Mello
Our Featured Authors for November are Geertjan Wielenga and Ricardo Mello. Here is what they write about, and where to start reading.
Building a GlassPaneBase Control in JavaFX
How to implement a reusable glassmorphism surface in JavaFX using the Control–Skin architecture.
Batch Processing with MongoDB and Jakarta EE: From Customer Segmentation to Scalable Workflows
Build a Jakarta Batch job that reclassifies e-commerce customers into tiers on MongoDB, with a Jakarta Faces preview flow before execution.
JavaFX Links of October 2026
Here are the JavaFX LinksOfTheMonth of October 2026. You can find the weekly lists on jfx-central.com.
BoxLang AI 3.6: Your Agent Now Has Eyes, Ears, and a Voice
BoxLang AI 3.6 connects AI agents to browser automation, audio tools, streaming speech, MCP stdio servers, MariaDB vector memory, and …
Rewrite Everything in Java: Not Rust
A Java word processor built with Codename One beats its Rust twin on startup, typing latency, memory, binary size, code size and CI time, …
OpenID Federation with pac4j and CAS
Build an OpenID Federation with pac4j as the Java relying party and Apereo CAS as both OpenID Provider and trust anchor.
An IDE for Coding Agents: NetBeans Refactorings over MCP
Coding agents rename methods with grep and edit loops. A headless Apache NetBeans gives them real refactorings over MCP, with fewer turns …