Episódios

  • AI4Devs Interviews - Part 2 (#80)

    AI4Devs Interviews - Part 2 (#80)
    Oct 18 2025
    This is part 2 of the interviews recorded on September 19th, 2025, at the first AI4Devs Conference (https://amsterdam.ai4devs.io/) in Amsterdam. In Part 1, we explored many AI-related topics as libraries, security, infrastructure, use cases, and more. In this second part, we'll dive into data science, tools for better AI development, Java in the cloud, and get a behind-the-scenes look at how the conference came together. I also asked these guests the same opening question: 'What's your name, and what brings you to this conference?'00:00 Introduction00:43 Eileen Kapel Data Scientist, building an evaluating a model, taking the enduser into account https://www.linkedin.com/in/eileenkapel/ 06:13 Jonathan Ellis and Ryan Svihla Coding with AI with Brokk, AI-native code platform, Java language improvements while keeping stability https://www.linkedin.com/in/jbellis/ https://www.linkedin.com/in/ryan-svihla-096752182/ https://brokk.ai/ https://foojay.io/today/indexing-all-of-wikipedia-on-a-laptop/ 16:24 David Parry Qodo, AI developer tools, empowering engineering teams to standardize code quality and move fast with AI https://www.linkedin.com/in/daviddryparry/ https://www.qodo.ai/ 28:46 Alessandro Stefouli-Vozza Java in the cloud, Impact of our job on the environment and our future, Green Software Foundation, Dutch Cloud Native meetup and conference https://www.linkedin.com/in/alessandrovozza/ https://cloudnative.amsterdam/ https://greensoftware.foundation/ Article by Miro about energy usage: https://foojay.io/today/research-measuring-energy-consumption-in-programming-languages-for-ai-applications/ 35:02 Sushant Shekhar Using Java and AI, Moved from Java to other languages and back, Building your own models versus tweaking https://www.linkedin.com/in/sushant-shekhar-2b43ba17/ 39:09 Arno Koehler Organisator, Ai code experiments versus production use, Schiphol POC, Kotlin versus Java versus Scala, The power of the JVM https://www.linkedin.com/in/arnokoehler/ 45:37 Joost Kaan About organizing the conference, Python and Java driving AI forward https://www.linkedin.com/in/joost-kaan/ 50:45 Coen de Waal, Samantha Burattini, and Luis San Martin Conference sponsor, Use of AI in a banking environment https://www.linkedin.com/in/coen-de-waal/ https://www.linkedin.com/in/samantha-burattini/ 54:51 Nahir Vila Student, How the youth is using AI 57:33 Jonathan Vila AI4Devs Organizer, How the conference started and a lookback at the end of the day, How AI can be used when writing articles https://www.linkedin.com/in/jonathanvila/ 01:05:58 Outro
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    1 hora e 6 minutos
  • AI4Devs Interviews - Part 1 (#79)

    AI4Devs Interviews - Part 1 (#79)
    Oct 4 2025

    On September 19th, 2025, the first AI4Devs conference (https://amsterdam.ai4devs.io/) took place in Amsterdam. I grabbed my camera and microphone to talk with speakers and attendees about the revolution in AI-powered coding and application development. In this first part, we'll explore Spring libraries, security, infrastructure and scaling, real-world use cases, event streaming, JetBrains tools, and more...

    I asked all my guests the same opening question: 'What's your name, and what brings you to this conference?' Let's get started!

    00:00 Introduction

    00:44 Christian Tzolov and Josh Long
    Spring AI, Spring MCP, Spring Security
    https://www.linkedin.com/in/joshlong/
    https://www.linkedin.com/in/tzolov/

    17:07 Brian Vermeer
    AI and security and the responsibility of the developer
    https://www.linkedin.com/in/brianvermeer/

    27:57 Camille Nigon and Maarten Vandeperre
    Quarkus, Scaling AI applications, the cost of using LLMs
    https://www.linkedin.com/in/camille-nigon/
    https://www.linkedin.com/in/maarten-vandeperre/

    36:15 Luca Berton
    Infrastructure for AI applications
    https://www.linkedin.com/in/lucaberton/
    https://www.youtube.com/@BertonLuca

    41:15 Soham Dasgupta
    Real life AI use cases
    https://www.linkedin.com/in/dasguptasoham/
    https://github.com/marketplace?type=models

    48:03 Mary Grygleski
    Event driven agents to handle complex flows
    https://www.linkedin.com/in/mary-grygleski/

    55:04 Anton Arhipov
    Java and Kotlin at JetBrains, Junie AI
    https://www.linkedin.com/in/antonarhipov/

    01:06:07 Outro
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    1 hora e 7 minutos
  • Welcome to OpenJDK 25! (#78)

    Welcome to OpenJDK 25! (#78)
    Sep 13 2025

    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/

    Content

    00:00 Introduction of topic and guests
    01:21 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 26
    08:16 What are JEPs and OpenJDK projects
    09:20 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/515
    11:28 Leyden compared to other solutions
    16:21 Project Valhalla
    https://openjdk.org/projects/valhalla/
    17:06 JEP 519: Compact Object Headers
    https://openjdk.org/jeps/519
    17:40 JEP 508: Vector API (Tenth Incubator)
    https://openjdk.org/jeps/508
    18:58 Why Vector API is taking a long time to get finalized
    21:04 JEP 502: Stable (Immutable) Values
    https://openjdk.org/jeps/502
    23:17 Project Loom
    https://openjdk.org/projects/loom/
    23:30 JEP 506: Scoped Values
    https://openjdk.org/jeps/506
    24:13 JEP 505: Structured Concurrency (Fifth Preview)
    https://openjdk.org/jeps/505
    29:22 How Java evolved over 30 years
    33:34 Project Amber
    https://openjdk.org/projects/amber/
    34:28 JEP 507: Primitive Types in Patterns, instanceof, and switch (Third Preview)
    https://openjdk.org/jeps/507
    35:59 JEP 512: Compact Source Files and Instance Main Methods
    https://openjdk.org/jeps/512
    37:36 JEP 511: Module Import Declarations
    https://openjdk.org/jeps/511
    38:36 JEP 513: Flexible Constructor Bodies
    https://openjdk.org/jeps/513
    39:12 What's next in Project Amber
    43:25 What you can learn from JEPs, OpenJDK projects, and mailing lists
    44:21 JEP 521: Generational Shenandoah
    https://openjdk.org/jeps/521
    Trash Talk by Gerrit Grunwald
    https://www.youtube.com/watch?v=xlwDe-hlSdI
    48:16 JEP 510: Key Derivation Function API
    https://openjdk.org/jeps/510
    49:30 JEP 470: PEM Encodings of Cryptographic Objects (Preview)
    https://openjdk.org/jeps/470
    51:28 About Java Flight Recorder
    52:27 JEP 509: JFR CPU-Time Profiling (Experimental)
    https://openjdk.org/jeps/509
    52:44 JEP 518: JFR Cooperative Sampling
    https://openjdk.org/jeps/518
    53:15 JEP 520: JFR Method Timing & Tracing
    https://openjdk.org/jeps/520
    53:38 More about JFR and comparing with GC logs
    57:04 JEP 503: Remove the 32-bit x86 Port
    https://openjdk.org/jeps/503
    58:54 Looking forward to the following versions
    01:00:58 Conclusion
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    1 hora e 1 minuto
  • DevBcn Report, Part 2 – Spanish Knowledge Sharing (#77)

    DevBcn Report, Part 2 – Spanish Knowledge Sharing (#77)
    Jul 26 2025

    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 Introduction
    00:39 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/

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

    DevBcn Report, Part 1 – Learn from the Community (#76)
    Jul 19 2025
    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
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    1 hora e 12 minutos
  • JCON Report, Part 4 - Tips and Tricks for Java Devs (#75)

    JCON Report, Part 4 - Tips and Tricks for Java Devs (#75)
    Jul 12 2025

    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 Introduction
    00:34 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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    1 hora e 2 minutos
  • JCON Report, Part 3 - AI, ChatGPT, LLM, ML, RAG, MCP, GenAI, and more! (#74)

    JCON Report, Part 3 - AI, ChatGPT, LLM, ML, RAG, MCP, GenAI, and more! (#74)
    Jun 28 2025

    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 Introduction
    00:46 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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    50 minutos
  • JCON Report, Part 2 – Evolutions in the Java Language and Runtime (#73)

    JCON Report, Part 2 – Evolutions in the Java Language and Runtime (#73)
    Jun 14 2025

    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 Introduction

    00:19 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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    47 minutos