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Happy 10th year, JCertif!
Notes
Welcome to Codetown!
Codetown is a social network. It's got blogs, forums, groups, personal pages and more! You might think of Codetown as a funky camper van with lots of compartments for your stuff and a great multimedia system, too! Best of all, Codetown has room for all of your friends.
Created by Michael Levin Dec 18, 2008 at 6:56pm. Last updated by Michael Levin May 4, 2018.
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InfoQ Reading List
Uber Migrates 75,000+ Test Classes from Junit 4 to Junit 5 Using Automated Code Transformation
Uber engineers migrated over 75,000 test classes from JUnit 4 to JUnit 5 using automated code transformation with OpenRewrite and internal orchestration. By enabling the JUnit Platform for dual execution with Bazel and validating changes through CI, the team modernized testing infrastructure while maintaining correctness at monorepo scale.
By Leela KumiliPresentation: Building a Future-Proof Observability Platform to Empower Engineers
Wayne Bell and Dan Gomez Blanco discuss the architectural and cultural shift required to scale observability at Skyscanner. They share how moving to OpenTelemetry decoupled instrumentation from vendors, and explain why treating a platform as a product - with engineers as customers - is the key to reducing incident rates and eliminating technical debt across 800+ microservices.
By Dan Gomez Blanco, Wayne BellArticle: MCP in the Java World: Bringing Architectural Strategy to LLM Integrations
Discover how the Model Context Protocol (MCP) Java SDK is establishing a new architectural discipline for enterprise LLM integrations. By defining explicit contracts and leveraging MCP servers as anti-corruption layers, it ensures governance, loose coupling, and security alignment with the JVM ecosystem and existing operational practices, moving integrations beyond fragility to resilience.
By Matteo RossiPodcast: A Java Performance Quest: Taming Unsafe Code, Embracing Idiomatic Style & Debugging the Linux Kernel
In this podcast, Jaromir Hamala, a seasoned Java engineer specialising in high-throughput data systems, shares his thoughts on how developers can tackle high-performance software development. He touches on the benefits of modern Java that allow writing idiomatic Java code while remaining "mechanically sympathetic", and also on his experience debugging a Linux kernel bug.
By Jaromir HamalaMicrosoft's Russinovich and Hanselman Warn AI Is Hollowing Out the Junior Developer Pipeline
Microsoft's Russinovich and Hanselman argue in a CACM paper that agentic AI creates an "AI drag" on junior developers while boosting seniors, incentivizing companies to stop hiring entry-level engineers. Entry-level hiring is down 67% since 2022. They propose a preceptor model borrowed from medical education to preserve the talent pipeline.
By Steef-Jan Wiggers
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Happy birthday, Chad!
Hi Chad and welcome to Codetown!