Java / NLJUG

J-Fall 2023: Unleashing Micro Frontends: A Blueprint for Enterprise Growth – Jeroen Berndsen

  Explore the world of micro frontends with Jeroen, a seasoned software architect at Planon. Learn what the books don’t say about adopting micro frontends for large-scale enterprise applications. Discover the five key implementation steps, how his team modernizes a Java-based frontend and understand the gradual shift from stateful to stateless. Join him on his […]

msmelt

May 15, 2024

21

J-Fall 2023: Wargames – Java vulnerabilities and why you should care – Gerrit Grunwald

Java is great and we all spend time on making it more performant, more scalable and maintainable. But we better should also spend some time on making it more secure. With all that new Java releases and features also come new vulnerabilities and exploits. Because Java is everywhere, it has a huge attack surface which […]

msmelt

April 10, 2024

43

J-Fall 2023: What if AI generated your test data? – Wim Blommaert

Synthetic (fake) images made by generative AI have been used in the medical world to train tumor detection software for several years now. Recently it became possible to generate synthetic tabular data, which makes up the bulk of the data in a bank like ING. In software Engineering, testing is a very important activity but […]

msmelt

April 10, 2024

60

J-Fall 2023: Write your own Java Profiler in 240 lines of pure Java – Johannes Bechberger

Profilers help to analyze performance bottlenecks of your application if you know how to use them. To get to grips with profilers, it helps to understand how they work: Profilers aren’t rocket science. A usable Java profiler can be written in 240 lines of pure Java code, helping you to fix performance issues and add […]

msmelt

May 15, 2024

47

J-Fall 2023: Your Data, Your Rules: Tailoring application metrics with Micrometer – Susanne Pieterse

Are you tired of relying on generic metrics? Do your stakeholders ask for hard figures of application usage? Would you like to discover usage trends to predict the need for scaling? Imagine having the freedom to measure exactly what matters most to your business, making data-driven decisions with confidence. Welcome to the world of custom […]

msmelt

May 15, 2024

28

J-Fall 2023:Leaving a legacy: a guide to being kind to those who come after- Tom Cools&Elien Callens

There comes a time in any project when you feel you are completely ‘done’ with it. Either you’ve learned all you can, the software is in production or you are completely fed up with the project or team and ask for a transfer. Whatever the reason for leaving, every line of code you wrote and […]

msmelt

April 11, 2024

16

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J-Fall Virtual 2020 – Gunnar Morling & Andres Almiray – Plug-in Architectures With Layrry and the Java Module System

The Java Module System lays the foundation for building modularized applications on the JVM. It doesn’t concern itself though with resolving module versions and obtaining modules from repositories. This is where Layrry comes in: an API and launcher for modularized Java applications which takes a descriptor of the module layer(s) to assemble, fetches the modules […]

msmelt

December 8, 2020

113

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J-Fall Virtual 2020: Ádám Sándor – Modernize and Automate your Java Application for Kubernetes

Java applications can be a pain to operate on Kubernetes as many of them have been developed without containers and Kubernetes in mind. Operations folks are forced to understand how each of them gets configured (was that a system property or env var?) how it was crammed into a Docker image (Spring Boot self contained […]

msmelt

December 8, 2020

99

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J-Fall Virtual 2020: Alex Soto – Serverless-Native Java with Quarkus

Serverless architecture is exactly the opposite of a monolith architecture, small services (or functions) running in a constrained running environment (limited access to CPU and memory). Furthermore, as we move to a model where we pay per usage, the services might need to go from 0 to infinite instances in a matter of milliseconds to […]

msmelt

December 8, 2020

71

0

J-Fall Virtual 2020: Brian Vermeer – Securing Containers by Breaking in

There’s no better way to understand container security than seeing some live hacking! This session introduces the state of docker security by reviewing vulnerabilities in Docker images and their impact on applications and demonstrates via hands-on live hacking. This session further provides the audience with security best practices when building docker container images, and each […]

msmelt

December 8, 2020

137