Foojay.io, the Friends Of OpenJDK!

• JCON Report, Part 4 - Tips and Tricks for Java Devs (#75)

  This is the final part of the JCON 2025 interviews with a lot of tips and tricks!In the three previous podcasts, we featured interviews from the JCON conference on "Being a better Java developer," "Evolutions in Java," and "How to use AI with Java." However, we talked to many more people during the conference, so this podcast focuses on tips and tricks. Let's learn from the many other experienced visitors of JCON.00:00 Introduction00:34 Merlin Bögershausen - OpenRewrite and Azul Intelligence Cloud   https://www.linkedin.com/in/merlin-boegershausen 07:08 Eberhard Wolff - Measure developer productivity   https://www.linkedin.com/in/eberhardwolff 12:28 Annelore Egger - Dealing with bad code, it's not your fault   https://www.linkedin.com/in/anneloredev 15:21 Michael Vitz - Unexpected things you can do with Java   https://www.linkedin.com/in/michaelvitz 18:40 Michael Simons - Neo4J database models   https://www.linkedin.com/in/michael-simons-196712139    https://motherduck.com/duckdb-book-brief 23:13 Stefan Böhringer - Building a project for education from scratch with Quarkus   https://www.linkedin.com/in/datenschauer 28:14 Johannes Rabauer - Learned from earlier projects   https://www.linkedin.com/in/johannes-rabauer 30:33 Roland Weisleder - ArchUnit, testing architecture with unit tests   https://www.linkedin.com/in/roland-weisleder 34:26 Simon Martinelli - htmx, full stack, Vaadin, JOOQ   https://www.linkedin.com/in/simonmartinelli 37:02 Loïc Magnette - Web development, Angular, React, Java community versus others   https://www.linkedin.com/in/lomagnette 40:41 Tanja Obradovic - Eclipse Foundation, JakartaEE   https://www.linkedin.com/in/tanja-obradovic-095604 49:19 Syed Usman Ahmad - Grafana, Prometheus, monitoring tools, OpenTelemetry   https://www.linkedin.com/in/usmanlinux 55:38  François Martin - Tools, chaos testing, Toxyproxy   https://www.linkedin.com/in/fran%C3%A7oismartin  01:01:31 Conclusion

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• JCON Report, Part 3 - AI, ChatGPT, LLM, ML, RAG, MCP, GenAI, and more! (#74)

  Let's have an AI Bingo and talk about ChatGPT, LLM, ML, RAG, MCP, GenAI, and more!This is part 3 of the interviews recorded at the JCON conference in May. In the previous parts, you learned more about how to be a better Java developer and how Java has evolved and continues to evolve. Of course, Artificial Intelligence and large language models were hot topics at the conference.This episode collects all the interviews on the AI topic. You will learn more about the different technologies we can use in our Java projects. We also checked with our guests to see how they compare Java to Python for AI-related development.00:00 Introduction00:46 Pasha Finkelshteyn - RAG, MCP   https://www.linkedin.com/in/asm0dey 06:17 Simone de Gijt - LLM   https://www.linkedin.com/in/simonedegijt 12:30 Steve Poole - AI challenges and dangers   https://www.linkedin.com/in/noregressions 18:01 Sandra Ahlgrimm - LangChain4J and Microsoft tools   https://www.linkedin.com/in/sandraahlgrimm 21:06 Mary Grygleski - Spring AI, Langchain4J, Quarkus   https://www.linkedin.com/in/mary-grygleski 30:25 Jonathan Vila - Sonar, Infrastructure As Code, AI dangers   https://www.linkedin.com/in/jonathanvila 35:56 Simon Martinelli - Influence of chat interfaces on UI development + MCP explanation   https://www.linkedin.com/in/simonmartinelli 42:13 Emily Jiang - LLM   https://www.linkedin.com/in/emilyfhjiang  49:59 Conclusion

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• JCON Report, Part 2 – Evolutions in the Java Language and Runtime (#73)

  In the second part of our JCON interviews, recorded at the conference in May, we focuses on general evolutions within the Java world and how they influence how we write code and develop applications. We take a look back at the history of Java, discuss new features in the latest release, how Java evolves with OpenJDK projects and JEPS, how Java is used in education, and much more...00:00 Introduction00:19 Steve Poole – Java APIs in a modern way, History of Java   https://www.linkedin.com/in/noregressions 06:42 Hanno Embregts - Java 24, Java in education   https://www.linkedin.com/in/hannotify/ 12:20 Karl Heinz Marbaise - Stream gatherers, Java evolutions, JEPs, Java stability   https://www.linkedin.com/in/khmarbaise/  26:19 Cay Horstmann - Project Valhalla, Project Loom, JEPs, OpenJDK projects   https://www.linkedin.com/in/cay-horstmann-659a4b/ 34:20 Miro Wengner - Java modules, Robo4J   https://www.linkedin.com/in/mwengner/ 37:52 Dmitry Chuyko – Improve startup and performance of Java applications in containers   https://www.linkedin.com/in/dchuyko/ 42:26 Jens Knipper - Receiving emails with Java, Java improvements over time, writing on Foojay   https://www.linkedin.com/in/jens-knipper-87b4a717b/    https://foojay.io/today/receiving-mails-in-java-with-imap-or-pop3/ 46:55 Conclusion

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• JCON Report, Part 1 - Grow your career, public speaking, 30 years of Java, greener coding,... (#72)

  On May 13th and 14th, Foojay attended the JCON conference in Köln, Germany, where we did over 30 live-stream interviews. In this episode, we present to you the first set of these interviews, in which we focus on celebrating 30 years of Java, how you can grow your career, become a public speaker and writer, make your code more green, a bit of AI (of course...), and how the connections between open-source contributors can be visualized.00:00 Introduction00:37 Richard Fichtner: About JCON   https://www.linkedin.com/in/richardfichtner/    https://jcon.one/ 03:27 Bruno Souza: Building your career   https://www.linkedin.com/in/brjavaman/    https://careermasterplan.dev 17:09 Markus Westergren: Mentoring and growing to become a senior engineer    https://www.linkedin.com/in/markuswestergren/ 21:56 Brian Vermeer: Public speaking, NLJUG, the importance of writing   https://www.linkedin.com/in/brianvermeer/ 30:08 Aicha Laafia: Green coding   https://www.linkedin.com/in/aicha-laafia-0266a6126/ 36:33 Baruch Sadogursky: History of Java, job changes because of AI   https://www.linkedin.com/in/jbaruch/ 44:40 Dmitry Yanter: Connections in open-source projects   https://www.linkedin.com/in/dmitry-yanter/ 53:43 Conclusion

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• Celebrating 30 Years of Java with James Gosling (#71)

  We are celebrating Java's 30th anniversary this May!This is a very special anniversary episode of the Foojay Podcast! As we approach May 23rd, marking exactly 30 years since Java's first beta release in 1995, we're honored to present our first-ever single-guest format. But we have a very special guest for you: James Gosling, the creator of Java! Join us for this exclusive conversation as we explore Java's beginnings, its revolutionary impact on the programming world, its continuous evolution over three decades, and James's insights on where the language is heading. From that groundbreaking beta release over "Write Once, Run Anywhere" to powering billions of devices worldwide, this is the story of Java, told by the man who started it all, the father of Java.Content00:00 Introduction01:06 How did it start 35 years ago?06:21 Java evolved from device controllers to server applications10:30 How does it feel that so many people use Java?12:12 Looking back at the Y2K problem and how it triggered more Java adoption14:58 Does James regret any decisions in Java?18:44 Comparing early-day Java development versus now20:55 About the stability of Java24:14 JavaFX is one of James' favorites of all time25:20 Frustrations about Android and iOS versus Java Phones28:16 How "Write Once, Run Anywhere" was needed for Sun29:23 Windows versus macOS versus Linux for laptops31:32 The very first Java web service in 1994 turned into a dark story33:17 Java in Docker and startup challenges36:59 Garbage Collectors are amazing in many ways39:18 Java-haters didn't use recent versions of Java ...41:51 How Java became much more performant but lost embedded43:08 Developers must be aware of which and how many libraries they use47:40 James loves Kotlin, Scala, and Closure49:42 Ethical responsibility for developers in a challenging job market54:16 AI influence on jobs01:00:20 Advice for junior developers01:02:27 A few of the most remarkable moments in Java history01:07:52 Why James is not a benevolent dictator for life01:09:17 How Java will keep evolving01:12:55 How much is James still involved in Java?01:13:54 Conclusion

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