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Foojay.io | Friends of OpenJDK and Java Programming

Foojay.io | Friends of OpenJDK and Java Programming

Written by: Foojay.io | Java and Programming Community
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 Foojay.io is your go-to programming community podcast, connecting developers with the latest in Java, OpenJDK, JVM, and open source tools. We bring together Java professionals worldwide to share insights, tools, and news in the vibrant Java programming ecosystem.Foojay.io | Java and Programming Community Education Politics & Government
Episodes
  • More Than a Blog: How Foojay Connects, Sustains, and Evolves the Java Community (#94)

    More Than a Blog: How Foojay Connects, Sustains, and Evolves the Java Community (#94)
    May 2 2026
    Foojay.io, the website for the Friends of OpenJDK, is turning six years old. To celebrate, Frank Delporte headed to JCON in Cologne, Germany, and sat down with twelve members of the Java community to talk about what Foojay means to them, what they learn from each other, and how the community is evolving.Foojay is more than a blog. It is a Mastodon server, a Slack community, the Disco API, a book on sustainability, a podcast, and now an education catalog. Six years in, it is still growing, still community-driven, and still very much a place where anyone who works with Java is welcome.00:00 Introduction02:16 Sharat Chandarhttps://www.linkedin.com/in/sharatchander/Java community and historyWhat you can learn from conferences and articles05:37 Markus Westergrenhttps://www.linkedin.com/in/markuswestergren/https://foojay.io/sustainability-for-java-developers/https://foojay.io/today/join-slack-com-t-foojay-signup/Book "Sustainability for Java Developers"How to "sustain yourself" in this strange-AI-changing-world09:46 Iryna Dohndorfhttps://www.linkedin.com/in/iryna-dohndorf/https://foojay.io/today/author/iryna-dohndorf/Mentoring about sustainability as a developer + groundness + robustness skillsHigh performance without crushing your soul13:59 René Schwietzkehttps://www.linkedin.com/in/reneschwietzke/https://foojay.io/today/the-curious-case-of-different-runtimes-with-different-training-data-jit/Diving deep into the runtime, JITWatchAbout the broad mix of topics handled on Foojay18:28 Gerrit Grunwaldhttps://www.linkedin.com/in/gerritgrunwald/ https://foojay.io/today/author/gerrit-grunwald/https://foojay.io/today/disco-api-helping-you-to-find-any-openjdk-distribution/https://sdkman.io/The Disco API, the source with all the available OpenJDK distributions, is used by SDKMAN, Gradle, and many other toolsAbout the many distributions that are available, even ones that are mainly (and only) used in Asia27:45 Catherine Edelveishttps://foojay.io/today/author/catherine-edelveis/https://www.youtube.com/watch?v=Ytdo8OGEYFIhttps://foojay.io/today/which-java-runtime-should-you-use-in-production-comparing-openjdk-distributions/Reducing Docker sizes improves security and performanceMany distributors provide builds of OpenJDK31:16 Jago de Vreedehttps://foojay.io/today/author/jago-de-vreede/About the Java community and the place of Foojay in it. What is good, what are we missing?SDKMAN, creating an UI for it, and using the many OpenJDK distributions35:05 Annelore Eggerhttps://www.linkedin.com/in/anneloredev/https://foojay.io/?s=eggerJava community, conference volunteering, mentoringHow to become a conference speakerLearn by teaching38:03 Buhake Sindihttps://www.linkedin.com/in/buhake-sindi/https://foojay.io/today/author/buhake-sindi/https://github.com/langchain4j/langchain4j-cdiJakarta EE, LangChain4J CDI, Agent to AgentImpact of AI on developer life and sustainability44:03 François Martinhttps://www.linkedin.com/in/fran%C3%A7oismartin/https://foojay.io/today/author/francois-martin/https://foojay.io/today/eliminating-flaky-tests-to-end-world-hunger/https://foojay.io/today/five-ways-to-use-gradle-enterprise-to-identify-and-manage-flaky-tests/Learn from mentoring, for example, how to earn from opensourceFoojay author, just published an article about Flaky tests48:18 Dominika Tasarz-Sochackahttps://www.linkedin.com/in/dominikatasarz/https://foojay.io/today/author/dominika-tasarz/https://foojay.io/today/join-slack-com-t-foojay-signup/https://foojay.io/today/how-to-submit-your-next-article-on-foojay-io/The future of Foojay, how can we get the community even more involvedWhat you can learn from the community51:18 Geertjan Wielengahttps://www.linkedin.com/in/geertjanwielenga/https://education.foojay.social/Java communities are everywhereHow Foojay started and grewHow can contributing to the community influence your career58:15 Conclusion
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    1 hr
  • Update Your JDK, Read More Code, and Talk to Your Users: Interviews From VoxxedDays Amsterdam (#93)

    Update Your JDK, Read More Code, and Talk to Your Users: Interviews From VoxxedDays Amsterdam (#93)
    Apr 11 2026
    In this episode of the Foojay Podcast, we're bringing you something special: a full batch of hallway-track conversations recorded live at VoxxedDays Amsterdam.Fifteen guests, one conference, and one theme that kept coming back, whether we planned it or not: Java has grown up quietly, steadily, and in ways that still surprise people who haven't looked lately. We talked about migrating between versions, new features in the latest Java releases, authorization done right, AI-assisted coding, cryptography, containers, open-source contributions, GDPR data experiments, and, yes, the things people hate about Java but secretly love.I spoke with Ko Turk, who organized this very conference, Johannes Bechberger, Lutske de Leeuw, Aicha Laafia, Marit van Dijk, Adele Carpenter, Patrick Baumgartner, Sohan Maheshwar, Jeroen Egelmeers, Erwin Manders, Alexander Shopov, Maarten Verburg, Arjan Tijms, Joost Kaan, and Stephan Janssen.That's a lot of people. That's a lot of opinions. And somehow, they mostly agree: update your JDK, read your code, and please talk to your actual users.Content00:00 Introduction00:30 Ko Turkhttps://www.linkedin.com/in/ko-turk-b271b929/Organizer of VoxxedDays AmsterdamMigrating between Java versions02:25 Johannes Bechbergerhttps://www.linkedin.com/in/johannes-bechberger/Java is boring, and that's why it's brilliantJava 26 test it, but not in productionJFR improvements in the latest versions06:28 Lutske de Leeuwhttps://www.linkedin.com/in/lutske/Volunteer at the conferenceJava is boring, and that's why it's brilliantJava 5 till 26 evolutions10:35 Aicha Laafiahttps://www.linkedin.com/in/aicha-laafia-0266a6126/Lambda stream gatherers in Java 25Simpler and more fun codeUpdate your JDK!16:16 Marit van Dijkhttps://www.linkedin.com/in/maritvandijk/Fun in coding, write Java the playful wayJava evolutions and how writing code has evolvedImportance of code reading with AI-assisted coding22:04 Adele Carpenterhttps://www.linkedin.com/in/adele-carpenter-a988623a/The things I hate about Java, but actually love it27:37 Patrick Baumgartnerhttps://www.linkedin.com/in/patbaumgartner/Organizing VoxxedDays ZurichSpring Boot optimizationUsing Buildpacks to create better containers35:02 Sohan Maheshwarhttps://www.linkedin.com/in/sohanmaheshwar/Authorization, the good wayJWT is a bad idea38:34 Jeroen Egelmeershttps://www.linkedin.com/in/jegelmeers/https://craftingaiprompts.org/documentation/se-framework/craft-frameworkAI, prompt engineering, agentic programmingThe CRAFT Framework: Orchestrating Agentic FlowThe importance of interacting with your end-users43:32 Erwin Mandershttps://www.linkedin.com/in/erwinman/Cryptography, digital signatures, and securing data and messagesComparing Kotlin and Java45:12 Alexander Shopovhttps://www.linkedin.com/in/alshopov/Developer at UberComparing different languages: Java, Python, GoHow Java is modernizing by learning from other languages49:18 Maarten Verburghttps://www.linkedin.com/in/maartenverburg/Using your own GDPR data for fun experimentsComparing early Java with the current statusJava Streams the most important change52:35 Arjan Tijmshttps://www.linkedin.com/in/arjantijms/https://omnifish.ee/Jakarta Faces, Security, Authentication and Authorization, EE,...Jakarta specs are used in SpringHow Java evolved and is still evolvingHow can you contribute to opensource59:55 Joost Kaanhttps://www.linkedin.com/in/joost-kaan/What you can learn at a conference, besides the expected language-related talksAI influences on the developer workContributing to the Java community, AI user group01:03:52 Stephan Janssenhttps://www.linkedin.com/in/stephanjanssen/https://geniebuilder.ai/The importance of the "Hallway Track" where you can chat with like-minded peopleUsing AI-assisted spec-driven codingTalking to your end-user becomes more important than ever01:09:00 Conclusion
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    1 hr and 9 mins
  • Java 26 Is Here: What's New, What's Gone, and Why It Matters in 2026 (#92)

    Java 26 Is Here: What's New, What's Gone, and Why It Matters in 2026 (#92)
    Mar 14 2026
    Welcome to another episode of the Foojay Podcast! In this episode, we're talking about Java 26, released on March 17 in the year 26. Again, right on schedule with Java's six-month release cadence.Now, Java 26 is not a Long Term Support (LTS) release; that was Java 25. But don't let that fool you into thinking there's nothing interesting here. This release brings ten JDK Enhancement Proposals (JEPs). They cover everything from performance improvements to long-overdue cleanups. Of those ten JEPS, five are new features, and we also get five preview/incubator features.GuestsSimon Ritterhttps://www.linkedin.com/in/siritter/Loïc Mathieuhttps://www.linkedin.com/in/lo%C3%AFc-mathieu-475b144/Content00:00 Introduction of topic and guests01:35 Differences between Long and Short Term Support05:10 Which Java versions are used by companieshttps://foojay.io/today/foojay-podcast-90-highlights-of-the-java-features-between-lts-21-and-25/07:54 Internal changes and improvements in release 26, highlighting UUIDv7 supporthttps://foojay.io/today/java-26-whats-new/12:02 JEP 500: Prepare to Make Final Mean Final13:24 JEP 526: Lazy Constants (Second Preview)16:12 JEP 517: HTTP/3 for the HTTP Client APIhttps://en.wikipedia.org/wiki/HTTP/3https://en.wikipedia.org/wiki/QUIC18:48 JEP 504: Remove the Applet API20:52 JEP 524: PEM Encodings of Cryptographic Objects (Second Preview)21:59 JEP 516: Ahead-of-Time Object Caching with Any GChttps://openjdk.org/projects/leyden/https://docs.azul.com/prime/analyzing-tuning-warmuphttps://foojay.io/today/faster-java-warmup-crac-versus-readynow/25:30 JEP 522: G1 GC: Improve Throughput by Reducing SynchronizationTrash Talk - Exploring the JVM memory management by Gerrit Grunwald28:04 JEP 525: Structured Concurrency (Sixth Preview)https://openjdk.org/projects/loom/31:09 JEP 529: Vector API (Eleventh Incubator)https://openjdk.org/projects/panama/https://openjdk.org/projects/valhalla/34:59 When do JEPs get selected to be included in a releasehttps://openjdk.org/projects/jdk/26/https://openjdk.org/projects/jdk/27/38:03 JEP 530: Primitive Types in Patterns, instanceof, and switch (Fourth Preview)https://openjdk.org/projects/amber/Java Puzzlers talk by Simon42:14 Do we need "Carrier Classes"?Amber mailing list: Data Oriented Programming, Beyond RecordsJVM Weekly newsletter by Artur Skowroński44:38 What changes does Java need for the AI world?JEP DRAFT 8361105: Code reflection (Incubator)https://openjdk.org/projects/babylon/https://www.tornadovm.org/47:53 Remarkable numeric facts about releases48:30 Conclusion
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    50 mins
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