Talks

A whole day filled with one keynote and 12 inspiring talks on Java, JavaScript / web development, and DevOps in 3 parallel tracks — it's all about getting to know new outstanding ideas, chatting with nice people, and having as much fun as you can.

(And check out the two panels as well!)

Venkat Subramaniam

The Art of Simplicity

keynotetalk07:15 to 08:15 UTC (09:15 to 10:15 CEST)

We've been told to keep things simple but that's more easily said than done. More...

Holly Cummins

Tradeoffs, Bad Science, and Polar Bears - The World of Java Optimisation

java / jvmtalk08:30 to 09:30 UTC (10:30 to 11:30 CEST)

Exploration of the pitfalls of optimisation, why the same technology that makes Quarkus fast used to be an awful idea, why fast benchmarks make slow programs, and why optimisation really matters. Along the way we'll talk measuring things, bad advice, garbage collection, and climate change. More...

Rachel Andrew

How to understand CSS

js / webtalk13:00 to 14:00 UTC (15:00 to 16:00 CEST)

Leave your piecemeal approach to CSS behind by learning the key elements that underpin this system. Whether you are a beginner or have been wrangling front-ends for years, you will find something here that will make your life much easier. More...

Falk Sippach

Java 17 - Was erwartet uns in der neuesten LTS-Version? [GER]

java / jvmtalk09:30 to 10:30 UTC (11:30 to 12:30 CEST)

Von Switch Expressions und Text Block zu Pattern Matching und Records - ein kompakter Überblick, wie sich Java aktuell anfühlt More...

Peter Kröner

Advanced JavaScript Scheduling and Interleaving with Generator Functions

js / webtalk09:30 to 10:30 UTC (11:30 to 12:30 CEST)

A new, zero-dependency technique for scheduling large blocking operations in JavaScript using Generator Functions. Break up long-running tasks into smaller chunks that fit into your frame budget without compromising readability or testability of your code! More...

Emily Jiang

Cloud-Native Application Development with MicroProfile

java / jvmtalk14:00 to 15:00 UTC (16:00 to 17:00 CEST)

The term "cloud-native application" is not a well-defined and often causes misunderstanding. This talk explains and defines the term and demonstrates how to develop such an app using MicroProfile. More...

Christian Schwörer

Supersonic Subatomic Mocking: How to test your Quarkus app with Kotlin, JUnit and MockK

java / jvmtalk11:30 to 12:30 UTC (13:30 to 14:30 CEST)

Are you interested in how to create a Quarkus app and - more importantly - test parts of it in isolation? Then let me share our experiences how to do this using Kotlin, JUnit and MockK. Practical insights guaranteed! More...

Gunnar Morling

To the Moon and Beyond With Java 17 APIs!

java / jvmtalk11:30 to 12:30 UTC (13:30 to 14:30 CEST)

Get to know Vector API, Foreign Linker API, JFR Event Streaming, and CDS archives More...

Nicolas Frankel

A Change-Data-Capture Use Case: Designing an Evergreen Cache

operationstalk08:30 to 09:30 UTC (10:30 to 11:30 CEST)

Change-Data-Capture is a brand new approach that "turns the database inside out": It allows to get events out of the database state. Here's how to leveraged it to get a cache that is never stale. More...

Halil-Cem Gürsoy

Die JVM in Kubernetes - Von Mythen und Killern [GER]

java / jvmtalk13:00 to 14:00 UTC (15:00 to 16:00 CEST)

Damit eine JVM ohne Probleme in einem Container laufen kann muss vieles beachtet werden. Welche Rolle die CPU Requests und Limits spielen und was der "CFS" ist werden wir in dieser Session vertiefen. Daneben werden wir die Speicherverwaltung von Java betrachten und warum diese Probleme machen kann. More...