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.

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How to Create a Spring Boot Fraud Scoring Service - foojay

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, but it buys you, - by Geertjan Wielenga

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HTTP QUERY Method Explained: RFC 10008, Ecosystem Adoption, and a Quarkus Implementation - foojay

When you build a search API, you usually start with HTTP GET, the natural choice for a read operation: it is safe, idempotent, and cacheable. Then the - by Hüseyin Akdoğan

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Introducing Sheetmusic4J, a Java(FX) Library to Render and Interact with Sheet Music - foojay

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 - by Frank Delporte

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Foojay Java in Education Catalog

A community-driven catalog of Java learning resources with websites, tutorials, videos, books, and tools for students, educators, coding clubs, and developers.

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Featured Authors July and August 2026 - foojay

Foojay wouldn't exist without the many contributions from its community, whether it's a single post or an ongoing stream of knowledge sharing. That's why - by Frank Delporte

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New Between-Quarters Security Updates for Java: What CSPUs Mean for Your Release Pipeline - foojay

In an announcement on the OpenJDK Updates Mailinglist on July 20, 2026, Rob McKenna explained a change in the Oracle security release cycle for JDK - by Frank Delporte

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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 do.

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Azul Zulu July 2026 Quarterly Update Released - foojay

Every three months your production JDKs fall further behind on security patches. Azul closes that gap today with the July 2026 quarterly update for Azul - by Frank Delporte

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What's New In The July 2026 Azul Payara Release? - foojay

Azul Payara's July 2026 release: Server and Micro 7.2.0, Jakarta EE 11, and a brute force security fix across every supported line.

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BoxLang AWS, Azure, and Google Secrets Manager Module Released - foojay

Every production application carries secrets: database passwords, API tokens, encryption keys. The question is never whether to manage them - it's how - by Cristobal Escobar

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First Test of Java on Banana Pi (ARM and RISC-V), Plus a Blinking LED with Pi4J - foojay

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 - by Frank Delporte

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Toward a Durable Spring PetClinic

What makes a process a good candidate for durability? To answer this, we'll take the canonical Spring PetClinic and interrogate its sources.

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How We Beat HotSpot Performance (By Cheating, But Not Like That)

ParparVM went from 4.21x slower than warmed Java 25 to geomean parity, with six of ten benchmarks at or below HotSpot and peak memory below the JVM's. The

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Warm Up Fast, Run Lean: Vertical Scaling for Java on Kubernetes with Azul Prime and Kedify - foojay

Autoscaling on Kubernetes has evolved significantly, but many production systems still rely on reactive scaling based on CPU and memory utilization. - by Jiří Holuša

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Your Loom App Quietly Became a Thread Pool Again: A Field Guide to Virtual Thread Pinning - foojay

The incident that taught me to respect pinning looked like nothing. A service freshly migrated to virtual threads, a load test that plateaued at about 420 - by Felipe Maschio Virtual thread pinning qu...

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BoxLang 1.15.0 Released: Blazing Fast Strings, Runtime Portability, and much more - foojay

BoxLang 1.15.0 is a high-impact release with two big headlines and a long tail of hardening. The first headline is a massive performance upgrade to string - by Cristobal Escobar

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I Asked GitHub Copilot to Profile a Java App. It Found a Bug in My Heap Sizing, and Offered to Fix It - foojay

I built an extension to collapse the entire loop of running and measuring the performance of Java workloads, so it can be used within a place some - by Bruno Borges

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Foojay Podcast #100: When a Podcaster Interviews Podcasters, and What They All Have in Common - foojay

Foojay Podcast hits episode 100. No plan, no roadmap. It just happened. To mark the occasion, Frank turned the microphone around and invited other - by Frank Delporte

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Temporal Is to Your Code What a Database Is to Your Data - foojay

Your database made your data durable. Temporal does the same for your code.

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🛑⚡ When NOT TO USE Event-Driven Architecture (EDA) - foojay

Learn when not to use Event-Driven Architecture (EDA), from simple CRUD apps to strong consistency, immediate responses, and operational complexity.

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More Surfaces, Same Deal: Cars, Sensors, Commerce, Video And Builds

This week's release adds car dashboards, motion sensors, desktop-class input, foldables, Commerce, Secrets, versioned builds, and real video generation whi

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When a Podcaster Interviews Podcasters, and What They All Have in Common (#100)

YouTube video by Frank Delporte

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Durable Execution Solutions

Build invincible apps with Temporal's open source durable execution platform. Eliminate complexity and ship features faster. Talk to an expert today!

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BoxLang 1.14.0 : Sets, Ranges, Inner Classes, and a Runtime That Talks Back - foojay

BoxLang has never stood still, but 1.14.0 is something different. This is the release where the language stops filling gaps and starts defining what a - by Cristobal Escobar

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Nulling Out References Won't Help Your Garbage Collector

Learn how intricate and amazing the JVM is and how much cognitive load that it takes on so you rarely have to think about things that steal your focus away from application logic.

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The Java Story: A Film About All of Us - foojay

The official Java documentary premieres July 17 on YouTube. Watch the trailer, meet the guests, and join the live chat with James Gosling.

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What's New in actions/setup-java 5.4 and 5.5: Signature Verification, Kona JDK, and a Better Maven Experience - foojay

If you build Java on GitHub Actions, actions/setup-java is almost certainly the first step in your workflow. It installs a JDK, wires up JAVA_HOME and the - by Bruno Borges

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Why We Moved Our Timefold Java Worker Pods from AMD to ARM64 - foojay

AMD hyperthreading caused solver performance variance in our Java based cloud pods. Switching to ARM instances doubled throughput per dollar.

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