Codetown ::: a software developer's community
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13 members Latest Activity: Mar 16, 2015 Object relational mapping, Hibernate, container managed persistence. Do you eat, breath and sleep databases? We do! This is the place to share what…
8 members Latest Activity: Nov 3, 2011 Half the work of starting a project is setting it up. A large proportion is keeping it set up. We'll talk about tips and tricks, Maven, and more…
9 members Latest Activity: May 8, 2010 An app that's tested is a reliable app. An app that's unit-tested is even more reliable. This is the meat and potatoes of software development. Ya…
47 members Latest Activity: Sep 21, 2019 Dependency injection. It's a smart approach. Believe that? We do! Come on in and share what you know. Ask all your Spring questions here, too!
14 members Latest Activity: Jun 26, 2019 This group focuses on the Java SE environment. It's the core Java group. Questions? Answers? Musings? This is the place for you!
6 members
Latest Activity: Nov 18, 2019
Interested in Kotlin? Are you a practitioner? Kotlin is a statically typed…
1 member
Latest Activity: Jun 22, 2017
JavaScript and the world of technologies that work along with it.
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…
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.…
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.
3 members
Latest Activity: May 26, 2011
Coders4Africa provides African programmers gateway to free training and certification in the main technologies…
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.
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…
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…
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.
7 members Latest Activity: Jun 5, 2014 The SeneJUG is the West African Java Users Group. Our vibrant community meets in Dakar, Senegal. SeneJUG Town is our virtual meeting point. Ba…
8 members Latest Activity: Feb 13, 2014 Clojure is a programming language that shares the powerful meta-programming facilities of Lisp, has an agent-based approach to concurrency like…
25 members Latest Activity: Feb 28, 2015 Using Groovy and Grails? Discuss it here.
19 members Latest Activity: Dec 22, 2013 Web2.0 is the dynamic web. It's social networking, tag clouds, metadata, geodata, and more. We love Web2.0. There's more out there than you can…
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.
Check out the Codetown Jobs group.

Google recently published a guide outlining eight essential design patterns for multi-agent systems, ranging from sequential pipelines to human-in-the-loop architecture. The guide provides concrete explanations of each pattern along with sample code for Google's Agent Development Kit.
By Sergio De Simone
This week's relatively quiet Java roundup for December 29th, 2025, features news highlighting: the GA release of Spring Shell 4.0; point releases of JReleaser 1.22.0 and Apache Camel 4.14.3; and TornadoInsight now compatible with the recent release of TornadoVM 2.0.
By Michael Redlich
DuckDB has recently introduced end-to-end interaction with Iceberg REST Catalogs directly within a browser tab, requiring no infrastructure setup. The new feature leverages DuckDB-Wasm, a WebAssembly port of DuckDB that runs in the browser, allowing users to query, read, and write Iceberg tables in a serverless manner.
By Renato Losio
AWS recently announced the new Graviton5 processor and the preview of the first EC2 instances running on it, the general-purpose M9g instances. According to the cloud provider, the latest chip delivers up to 25% higher performance than Graviton4, introduces the Nitro Isolation Engine, and provides a larger L3 cache, improving latency, memory bandwidth, and network throughput.
By Renato Losio
A team of AI researchers at Microsoft introduces two novel approaches for enforcing contextual integrity in large language models: PrivacyChecker, an open-source lightweight module that acts as a privacy shield during inference, and CI-CoT + CI-RL, an advanced training method designed to teach models to reason about privacy.
By Sergio De Simone
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