Testing Kafka Consumer Recovery Contracts With Testcontainers and JUnit
Use Testcontainers and JUnit to test Kafka consumer recovery contracts for duplicate delivery, malformed records, and offset-boundary …
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.
How much will post-quantum migration cost your Java codebase?
A static auditor that estimates what a post-quantum migration will cost a Java codebase, run across 27 popular Java projects to show where …
AI-assisted genealogy, a follow-up
A follow-up on AI-assisted genealogy: source quality with GEDCOM QUAY, per-site browsing skills, Playwright sessions, transcriptions, and …
One Database, Two Models: Building AI-Friendly Java Applications with MySQL JSON Duality Views
Explore MySQL JSON Duality Views in Java: simpler reads, safe document writes, ORM comparisons, and read-only tools for a local AI …
VoIP, VPN, and the Build System Behind Them
Codename One adds native call management and VPN APIs, while its builders generate the platform services, frameworks, permissions, and …
BoxLang AI 3.4.0: Gateways, Human-in-the-Loop, and a Full Security Stack
BoxLang AI 3.4.0 introduces gateways, durable human approvals, layered AI security, normalized reasoning, run control, and improvements …
Diagrams as Code: Mermaid Support on the new Foojay
Foojay articles now render Mermaid diagrams from a fenced code block. Write the diagram in Markdown, get a real diagram, and keep it …
AsciiDoc Support on the new Foojay
Foojay articles can now be written in AsciiDoc as well as Markdown. Named blocks, real tables, source callouts and admonitions — the things …
Announcing The New Foojay
Foojay has a new home: a static, open-source site where publishing an article is a pull request. Same URLs, same archive, much faster, and …
World geography gotchas
Years ago, a colleague of mine told me about two pockets of foreign land surrounded by Switzerland: Campione d'Italia and Büsingen am …