# Foojay Podcast #53: JCON Report, Part 5 – CQRS, JOOQ, GraphQL, API, Vaadin, OpenRewrite, ErrorProne, Gateways, Proxies,...

> In this episode you'll hear Simon Martinelli, Nicolas Fränkel, Marcus Hellberg, Rick Ossendrijver, and Abdel Sghiouar.

- URL: https://foojay.io/today/foojay-podcast-53/
- Published: 2024-06-17
- Authors: Frank Delporte, Marcus Hellberg, Nicolas Frankel, Simon Martinelli
- Categories: Cloud, DevOps, Events, Java, Java Core, jOOQ, Kotlin, Machine Learning, OpenRewrite, Podcast, Vaadin


This is the final part of the JCON interviews. Did I save the best for last? It's up to you to decide...

In this episode you'll hear Simon Martinelli, Nicolas Fränkel, Marcus Hellberg, Rick Ossendrijver, and Abdel Sghiouar.

We talked about a bunch of topics like evolving your APIs, GraphQL, Java versus Kotlin versus Rust, Vaadin, AI and ChatGPT, OpenRewrite, ErrorProne, Infrastructure, and a lot more.

## Video

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## Podcast Apps

You can listen and subscribe to the Foojay Podcast on:

* [Spotify](https://open.spotify.com/show/6CpTfgn9LirzJGAtc4ICdQ)
* [Apple Podcasts](https://podcasts.apple.com/be/podcast/foojay-io-the-friends-of-openjdk/id1652281304)
* And most others...

## Content

00:45 Simon Martinelli – Talks about CQRS, REST, APIs, JOOQ, Vaadin

<https://www.linkedin.com/in/simonmartinelli>

09:08 Nicolas Fränkel - Talks about evolving your APIs, versioning an API, GraphQL, CQRS, REST, ProtoBuffers, Java versus Kotlin versus Rust versus …

<https://www.linkedin.com/in/nicolasfrankel>

19:11 Marcus Hellberg – Talks about Vaadin, Web development with 100% Java, AI and ChatGPT

<https://www.linkedin.com/in/marcushellberg>

31:27 Rick Ossendrijver – Workshop and Talk about OpenRewrite and ErrorProne, Code analysis

<https://www.linkedin.com/in/rick-ossendrijver>

35:48 Abdel Sghiouar – Talks about Infrastructure, Gateways, and Proxies, Java Community in Morocco, Devoxx Morocco

42:15 Conclusion