Codetown
Codetown ::: a software developer's community
Michael Levin's Groups (42)
Kotlin Town
6 members Latest Activity: Nov 18, 2019
Interested in Kotlin? Are you a practitioner?
Kotlin is a statically typed…
JavaScript Village
1 member Latest Activity: Jun 22, 2017
JavaScript and the world of technologies that work along with it.
AFRICA ANDROID CHALLENGE
3 members Latest Activity: Mar 19, 2012
The Africa Android Challenge is on! The object is to learn and share your software development expertise...and to compete with your best Android…
Cloud Computing Village
16 members Latest Activity: Aug 21, 2015 Cloud Computing is "the next big thing". The recent JavaOne featured Cloud Computing more than any other technology. Come join us and explore /…
Computational Linguistics Village
15 members Latest Activity: May 6, 2018 Ever wonder how Google Translate works? It's computational linguistics! Join us here and learn all about it and more. Jim White will be our guide.…
Democratic Republic of Congo (RDC) JUG Town
8 members Latest Activity: Jun 5, 2014
Come join us here at the RDC JUG Town! Stanislas Matayo and the group in Kinshasa welcome you.
Coders4frica
3 members Latest Activity: May 26, 2011
Coders4Africa provides African programmers gateway to free training and certification in the main technologies…
Startup City
24 members Latest Activity: Jun 10, 2016 Have you got a great idea you'd like to put into action? This is the place for you! We'll talk about ideas and how to turn them into businesses here.
Coding Dojo
6 members Latest Activity: Jun 26, 2019 A Coding Dojo is a meeting where a bunch of coders get together to work on a programming challenge. They are there to have fun and to engage in…
JUG-AFRICA
12 members Latest Activity: May 7, 2018 JUG-AFRICA is an umbrella Group for Java User Groups located on the continent of Africa.The idea behind JUG-AFRICA is to allow JUGs located within…
Idea Town
4 members Latest Activity: Apr 3, 2011 Have a great idea? If you have a great idea, tell the world!
Contest Town
9 members Latest Activity: Apr 13, 2010 Everyone likes a challenge. How about a contest? If you like to flex your muscle, why not join us here at Contest Town. You'll find some challenging…
.Net Town
18 members Latest Activity: Apr 13, 2020 What's up with .Net in your neck of the woods? We'll discuss all the basics here. Eventually, we'l break out separate groups for C#, etc...
Wikipedia Place
9 members Latest Activity: Oct 27, 2011 We've had a unique opportunity to speak with Brion Vibber recently at the October Orlandojug meeting. Let's discuss what we learned for those who…
Community Corral
23 members Latest Activity: Aug 23, 2012 Are you interested in social networks? We're talking about virtual communities here. Community builders use tools and techniques. We'll discuss them…
Scala
5 members Latest Activity: Jul 27, 2011 Scala is a general programming language and it runs on JVM. It's a static typed language with many features that make code concise and flexible.
Freelance Village
11 members Latest Activity: Jul 6, 2018 Freelancing? Whether you're new or an old timer, this is the place for you! Share your tips and explore the possibilities here.
SOA Governance
7 members Latest Activity: Mar 28, 2013 Discussion area for both design-time and run-time governance of SOA applications.
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
Java News Roundup: OpenJDK, Oracle Critical Patches, Open Liberty, Testcontainers, IntelliJ IDEA
This week's Java roundup for April 20th, 2026, features news highlighting: updates on OpenJDK JEPs; JDK 27 release schedule finalized; the Oracle Critical Patch Updates for April 2026 and corresponding patch updates from BellSoft and Azul; the April 2026 edition of Open Liberty; and maintenance releases of Testcontainers, Multik and IntelliJ IDEA.
By Michael RedlichQCon San Francisco 2026: 12 Tracks Announced
The 12 tracks for QCon San Francisco 2026 (November 16-20) are now live. Four tracks cover AI in production. The other eight cover the rest of what senior engineering still demands: distributed systems, architecture teardowns, resilience, platform internals, API design, and Staff+ leadership. Early bird pricing runs until May 12th.
By Artenisa ChatziouUber 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 Rossi
© 2026 Created by Michael Levin.
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