Java Vienna

Dominik Dorn

Angie 

Ande Hofer

Damjan Gjurovski

Ingo Wieser

George Patrascu

Marius Zienius

Manoel Aranda Neto

Martin Smiech

MilanG

Geo Angelopoulos

Daniel Mroczka

Artem

Thomas Scheibelhofer

Matthias Schmid-Kietreiber

Marian Dan

Thomas Mertes

Aizhan

Jeet Gupta 

Petar Petkovic

Going to DevFest Vienna

Agenda:

18:00 Doors open at dynatrace office
18:20 Welcome, orga-stuff
18:30 Faster JVM Applications Without Changing Any Code - Simon Ritter, Azul
19:30 Break
19:55 Raffle
20:00 Pairng With LLM Agents To Write Great Java Code Fast - Adam Bien
21:15 Networking @ Posedio

**Faster JVM Applications Without Changing Any Code**
Java is one of the most popular platforms due to its incredible scalability, ease of use, and "write once, run anywhere" capabilities.
However, a managed runtime environment both helps and hinders when looking for the best possible performance. Aspects like garbage collection pauses can make it hard to meet defined SLAs. JIT compilation can deliver better overall performance, but applications take time to warm up.
In this session, we'll explore at a technical level how Azul has been addressing these limitations and building a high-performance JVM.
Specifically, we'll look at:
· How can GC operate fully concurrently with application threads whilst still moving live data within the heap to eliminate fragmentation?
· What can be done to improve the level of optimisation of code generated by the JIT compiler to get higher throughput

· Solving the warmup problem. There are several approaches to this, and we'll provide a quick comparison of the advantages of each and where they can be used effectively
Please note that although this discussion will focus on Azul Platform Prime, it will not be a sales or marketing pitch. This will cover low-level technical details, which will also help in understanding how the JVM works and other options when deciding how to optimise application deployment.

**Pairng With LLM Agents To Write Great Java Code Fast**
First, I will explain why LLMs love to write Java code. For the rest of the time, I will demonstrate live coding of 'quality first' Java applications, including system tests and documentation.

Java, AI and common sense. That's it!
You are welcome to ask questions before, during and after the session.
Challenge the code!

**About Adam Bien**
Entwickler, Consultant, manchmal Konferenzsprecher, Autor und Java / Jakarta (SE/EE) / MicroProfile Enthusiast.
Adam Bien ([adambien.blog](http://adambien.blog)) arbeitet mit Java seit JDK 1.0, JavaScript seit LiveScript und hat immer noch sehr viel Spass am Programmieren. Adam veranstaltet regelmässig Java EE / WebStandards / JavaScript Workshops am Flughafen München ([http://airhacks.com](http://airhacks.com)).

Gyula Molnar

Gergö Barany

Simon Kocurek

Hannes Bösch

Haris

Aron Palffy

Marco Portillo

Adrian Mitev

László Király

Istvan Bardos

alex jordan

"Faster JVM Applications" & "Pairng With LLM Agents" / Simon Ritter + Adam Bien!

Daniel Gomez-Sanchez

Péter Biró

Mira Haselberger

Stefan Schlögl

Dajena 

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