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The podcast of foojay.io, a central resource for the Java community’s daily ​information needs, a place for friends of OpenJDK, ​and a community platform for the Java ecosystem​ — bringing together and helping Java professionals everywhere.

  1. Welcome to OpenJDK 25! (#78)

    9월 13일

    Welcome to OpenJDK 25! (#78)

    Episode 78 of the Foojay Podcast. All info, show notes, and links are available at https://foojay.io/today/category/podcast/.We're excited to present the first episode of the Foojay Podcast's fifth season, marking the release of OpenJDK 25!For the first time, an OpenJDK release is aligned with the year, and we can welcome release 25 in 2025. As usual in the release podcast, I have my regular guest, Simon Ritter. And in this episode, we are joined by Balkrishna Rawool to talk about all the new features in this new OpenJDK version.Guests   Simon Ritter      https://www.linkedin.com/in/siritter/    Balkrishna Rawool      https://www.linkedin.com/in/balkrishnarawool/Content00:00 Introduction of topic and guests01:21 How important is release 25 and upgrading your runtimes?   https://jdk.java.net/25/06:00 Process of releasing a new OpenJDK version and looking forward to version 2608:16 What are JEPs and OpenJDK projects09:20 Project Leyden   https://openjdk.org/projects/leyden/   JEP 514: Ahead-of-Time Command-Line Ergonomics      https://openjdk.org/jeps/514   JEP 515: Ahead-of-Time Method Profiling      https://openjdk.org/jeps/51511:28 Leyden compared to other solutions16:21 Project Valhalla   https://openjdk.org/projects/valhalla/17:06 JEP 519: Compact Object Headers   https://openjdk.org/jeps/51917:40 JEP 508: Vector API (Tenth Incubator)   https://openjdk.org/jeps/50818:58 Why Vector API is taking a long time to get finalized21:04 JEP 502: Stable (Immutable) Values   https://openjdk.org/jeps/50223:17 Project Loom   https://openjdk.org/projects/loom/23:30 JEP 506: Scoped Values   https://openjdk.org/jeps/50624:13 JEP 505: Structured Concurrency (Fifth Preview)   https://openjdk.org/jeps/50529:22 How Java evolved over 30 years33:34 Project Amber   https://openjdk.org/projects/amber/34:28 JEP 507: Primitive Types in Patterns, instanceof, and switch (Third Preview)   https://openjdk.org/jeps/50735:59 JEP 512: Compact Source Files and Instance Main Methods   https://openjdk.org/jeps/51237:36 JEP 511: Module Import Declarations   https://openjdk.org/jeps/51138:36 JEP 513: Flexible Constructor Bodies   https://openjdk.org/jeps/51339:12 What's next in Project Amber43:25 What you can learn from JEPs, OpenJDK projects, and mailing lists44:21 JEP 521: Generational Shenandoah   https://openjdk.org/jeps/521   Trash Talk by Gerrit Grunwald      https://www.youtube.com/watch?v=xlwDe-hlSdI48:16 JEP 510: Key Derivation Function API   https://openjdk.org/jeps/51049:30  JEP 470: PEM Encodings of Cryptographic Objects (Preview)   https://openjdk.org/jeps/47051:28 About Java Flight Recorder52:27 JEP 509: JFR CPU-Time Profiling (Experimental)   https://openjdk.org/jeps/50952:44 JEP 518: JFR Cooperative Sampling   https://openjdk.org/jeps/51853:15 JEP 520: JFR Method Timing & Tracing   https://openjdk.org/jeps/52053:38 More about JFR and comparing with GC logs57:04 JEP 503: Remove the 32-bit x86 Port   https://openjdk.org/jeps/50358:54 Looking forward to the following versions01:00:58 Conclusion

    1시간 1분
  2. DevBcn Report, Part 2 – Spanish Knowledge Sharing (#77)

    7월 26일

    DevBcn Report, Part 2 – Spanish Knowledge Sharing (#77)

    This is the first Foojay podcast in Spanish. It's also the shortest one and the final of season 4 ;-) Jonathan Vila "highjacked" the microphone from Geertjan Wielenga (See episode 76, https://foojay.io/today/foojay-podcast-76-devbcn-report-part-1-learn-from-the-community/) during the DevBcn conference in Barcelona and interviewed a few of the participants for this first Spanish-only edition of the podcast.Stay tuned and subscribe to the podcast in your favorite app or on YouTube. We're taking a short break and will be back in September with the launch of Java 25!00:00 Introduction00:39 Marlene Maldonado, DevBcn Organization   https://www.linkedin.com/in/marlene-maldonado-de-s%C3%A1 02:10 Barbara Teruggi, Speaker, Threat Modelling   https://www.linkedin.com/in/barbara-teruggi/ 05:04 Santiago Rincon, CFP Member and Attendee   https://www.linkedin.com/in/santiago-rincon-martinez 07:56 Marlene Maldonado, Vicente Soriano,  Volunteers   https://www.linkedin.com/in/visomar    https://www.linkedin.com/in/marlene-maldonado-de-s%C3%A1 10:25 Alvaro Navarro, Speaker, API Design   https://www.linkedin.com/in/anavarro 12:37 Vicente Cabanes, Sponsor, Grupo Castilla   https://www.linkedin.com/in/vicente-cabanes/

    15분
  3. DevBcn Report, Part 1 – Learn from the Community (#76)

    7월 19일

    DevBcn Report, Part 1 – Learn from the Community (#76)

    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 Cougil and Jonathan Vila, two of the organizers, he spoke with many visitors about what they like most in Java, how AI influences their work, and what is important to them in the work they do.We have more than 20 people who are passionate about the Java community and are eager to share their knowledge with you. 00:00 Introduction00:45 Nacho Cougil and Jakub Marchwicki talk about the history of the DevBcn conference. https://www.linkedin.com/in/icougil  https://www.linkedin.com/in/kubamarchwicki 02:45 Bert Jan Schrijver is excited about the people in the Java community. https://www.linkedin.com/in/bjschrijver/ 03:06 Ricardo Romero Benítez has a Spanish YouTube challenge about Java and is surprised by the experience of junior developers. https://www.linkedin.com/in/ricardo-romero-ben%C3%ADtez-b4a4048a/  https://www.youtube.com/@programando_en_java 05:43 Christoph Neumann discusses closure and a database created using it. https://www.linkedin.com/in/christoph-neumann-6089438/ 08:03 Victor Rentea gives Java workshops about architecture, performance, maintainable code, etc. https://www.linkedin.com/in/victor-rentea-trainer/ 09:46 Justin Reock measures developer productivity and talks about improving the development experience. https://www.linkedin.com/in/justinreock 17:44 Will Fleury accelerates coding by integrating AI in IDEs and compares different solutions. https://www.linkedin.com/in/willfleury 23:38 Kamesh Sampath handles big amounts of data for AI and other processing. https://www.linkedin.com/in/kameshsampath 26:19 Cedric Clyburn shares his experience with Linux and Kubernetes and is fascinated by open-source AI. https://www.linkedin.com/in/cedricclyburn 28:33 Brian Vermeer helps to make Java applications and AI tools secure. https://www.linkedin.com/in/brianvermeer 31:53 Andrey Sitnik promotes local-first privacy versus the user-data-selling approach. https://www.linkedin.com/in/sinik 35:59 Isabel Garrido Cardenas about cognitive load when working with a lot of microservices and the right way of testing with AI. https://www.linkedin.com/in/isabelgarridocardenas 38:59 Isabella Sohlman is a student, joining the conference to learn how she can grow her career and to meet people from the Java community. https://www.linkedin.com/in/isabellasohlman 40:13 Ruben Cordeiro shares his experience with volunteering at the conference and what he learned from the talks. https://www.linkedin.com/in/rubencordeiro 42:36 Horacio Gonzalez about simple to use cloud services by developers for developers. https://www.linkedin.com/in/horaciogonzalez 44:46 Jonatan Sempere about communication and network APIs to prevent fraud for banking. https://www.linkedin.com/in/jsempere95 47:36 Luis Majano and Cris Escobar talk about BoxLang, a new dynamic JVM language. https://www.linkedin.com/in/lmajano  https://www.linkedin.com/in/cristobalescobarh   https://www.boxlang.io 59:42 Miguel Xoel García Balsa about observability and the difference with monitoring. https://www.linkedin.com/in/miguelxoel 01:03:32 Silvia Bellmunt shares her experience with the Java community, the DevBcn conference, and data science. https://www.linkedin.com/in/silvia-bellmunt-36220aa3 01:06:15 Rijo Sam talks about framework- agnostic development, using plain Java as much as possible. https://www.linkedin.com/in/rijosam19 01:09:37 Nacho Cougil and Jonathan Vila invite you to the DevBcn conference next year. https://www.linkedin.com/in/icougil  https://www.linkedin.com/in/jonathanvila 01:11:33 Outro

    1시간 12분
  4. JCON Report, Part 4 - Tips and Tricks for Java Devs (#75)

    7월 12일

    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

    1시간 2분
  5. JCON Report, Part 3 - AI, ChatGPT, LLM, ML, RAG, MCP, GenAI, and more! (#74)

    6월 28일

    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

    50분
  6. JCON Report, Part 2 – Evolutions in the Java Language and Runtime (#73)

    6월 14일

    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

    47분
  7. JCON Report, Part 1 - Grow your career, public speaking, 30 years of Java, greener coding,... (#72)

    5월 31일

    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

    54분
  8. Celebrating 30 Years of Java with James Gosling (#71)

    5월 3일

    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

    1시간 14분
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The podcast of foojay.io, a central resource for the Java community’s daily ​information needs, a place for friends of OpenJDK, ​and a community platform for the Java ecosystem​ — bringing together and helping Java professionals everywhere.

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