Where Does The Experience Come From?
Proton’s CTO wrote a memo that nearly eulogized writing code by hand. Lars Faye points out that expertise comes from experience, and the …
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.
Testcontainers Integration Testing: Running Your Real WAR in Docker
Learn how Testcontainers integration testing works for Jakarta EE: run your real WAR in Docker and test the deployed application from the …
Letting a Java AI Agent Request Cancellations with MySQL REST Service
Build a Java AI agent that requests order cancellations through MySQL REST Service, with scoped tools, ownership checks, and explicit human …
How I got a thread dump from a timed-out GitHub Actions test
When a JVM test hangs and GitHub Actions cancels the job, the test JVM is often still alive. Three ways to dump it, and an action that does …
Setting Up a DuckDB Quack Server: A Hello World
A step-by-step hello world for the Quack remote protocol in DuckDB 2.0: start a server in one terminal, connect from another, and read your …
RuleBox 2.0: Business Rules Without the Business Logic Mess
RuleBox 2.0 brings readable business rules, rules as data, dry runs, audit trails, metrics, and a visualizer to BoxLang and ColdBox …
Flutter Better in Java
Codename One now builds Flutter apps from their Dart source, and the result starts faster and uses less memory than Flutter's own release …
Checking Module Boundaries in a Java Monolith
Use an ArchUnit test to check a Java module boundary, examine a violation and move the dependency behind the module's API.
Cloud-Agnostic Java Microservices with Halyx: One Jar on AWS, Azure and Google Cloud
Build a Java microservice once and deploy it to AWS, Azure or Google Cloud by configuration, with no cloud SDK in your code.
Beyond mvn install: Maven Practices That Pay Off
Fail fast, pin every version, let profiles switch themselves and get an SBOM for free: practical Maven techniques from POMs in daily use.