Geertjan Wielenga81 articles
Table of Contents 50% Live Coding The inaugural AI4Devs conference in Amsterdam, held recently Friday 19 September, a collaboration between Java Champion Jonathan Vila, local developer agency IO Digital (in particular Joost Kaan, Arno Koehler, and Michel Blankenstein), and the Friends of OpenJDK …

- Geertjan Wielenga
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Take the State of Java 2025 Survey
Do you want to know which Java JDK distribution is used where for what and when? The time has come again to take the State of Java Survey and share insights while gaining Java ecosystem knowledge. All those participating will …
- Geertjan Wielenga
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CodeRabbit Tutorial for Java Developers
Table of Contents Getting StartedPrerequisitesSetup ProcessCore Features for Java Development1. Code Quality Analysis2. Security Vulnerability Detection3. Performance Optimization Suggestions4. Design Pattern RecognitionWorking with CodeRabbit ReviewsUnderstanding Review CommentsResponding to ReviewsJava-Specific ConfigurationCustom Rules SetupMaven/Gradle IntegrationAdvanced Features1. Custom Prompts2. Architectural Reviews3. Testing SuggestionsBest …
- Aravind Putrevu,
- Geertjan Wielenga
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Foojay Podcast #76: DevBcn Report, Part 1 – Learn from the Community
Table of Contents VideoPodcast (Audio only)Content In early July, the DevBcn conference in Barcelona featured a diverse lineup of speakers, covering topics across multiple technology domains. Geertjan Wielenga took the camera and microphone with him to Spain. Together with Nacho …
- Frank Delporte,
- Geertjan Wielenga,
- Jonathan Vila
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Prime Time: The High Performance Java Event
Java is the engine behind mission-critical applications and end user experiences. From faster response times to consistent performance, Java can have a significant impact on business results and cloud costs. Join Azul and leading voices from the Java community for …
- Geertjan Wielenga
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New AI Conference For And By Developers
AI4DEVS, September 19, 2025 in Amsterdam, is created for and by developers working with AI technologies. Our mission is simple: share practical, usable knowledge with real use cases and code. Whether you’re an experienced AI engineer or just starting to explore …
- Geertjan Wielenga,
- Jonathan Vila
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Azul and JetBrains Collaborate to Enhance Runtime Performance for Kotlin Workloads
SUNNYVALE, Calif., — May 20, 2025 — Azul, the only company 100% focused on Java, and JetBrains, the leading provider of professional software development tools and creator of the Kotlin programming language, today announced a strategic technical collaboration to enhance the runtime performance …
- Geertjan Wielenga
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Book Review: Raising Young Coders
“Raising Young Coders” by Cassandra Chin: A Parent’s Guide to Inspiring the Next Generation of Technologists An Author Who Understands Both Sides “Raising Young Coders: A Parent’s Guide to Teaching Programming at Home” by Cassandra Chin is an invaluable resource …
- Geertjan Wielenga
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Foojay Podcast #70: Celebrating 5 Years of Foojay
Table of Contents VideoPodcast (audio only)Content On April 25, 2020, Geertjan Wielenga published the first Foojay post. Yes, we are celebrating 5 years since the Friends Of OpenJDK website launch! Today, more than 1,600 posts are on the site, written …
- Frank Delporte,
- Geertjan Wielenga,
- Gerrit Grunwald
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Foojay Podcast #69: All Things Java at VoxxedDays Amsterdam
Table of Contents VideoPodcast (audio only)Content On April 3rd, the first VoxxedDays event in Amsterdam took place. VoxxedDays are tech events organized by local community groups, with support from the Devoxx team. Geertjan Wielenga brought along a camera and microphone …
- Frank Delporte,
- Geertjan Wielenga
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Join the Celebration of 30 Years of Java
On Thursday, March 13, Azul is hosting a virtual celebration of 30 years of Java, starting at 09:00 PST / 17:00 GMT / 18:00 CET. In addition to discussion panels, including a Friends of OpenJDK Panel with Marit Van Dijk, …
- Geertjan Wielenga