Java / NLJUG

J-Spring 2023: Bigger Unit Tests Are Better – Peter Schuler

Unit tests are the most important contribution a developer makes to the product quality. However, the general approach to unit testing harms your flexibility. This talk shows you how the use of many small tests will slow you down. But …. with a few simple changes in your approach, you will make your life better, […]

msmelt

July 3, 2023

27

J-Spring 2023: Coding your documentation – Hubert Klein Ikkink

To write (technical) documentation usually means we leave our coding environment and for example need to start a word processor or open a wiki where we type our documentation. Especially when we (must) use word processor software a lot of things will distract us from writing content: we need to worry about formatting, styles and […]

msmelt

July 3, 2023

22

J-Spring 2023: Controlling Electronics with Java and Pi4J through a web interface – Frank Delporte

Java is not only the server language running on heavy machines! You can do amazing stuff with it on a small single-board computer and gain new knowledge simultaneously, like controlling electronic components and different communication protocols. A Raspberry Pi is a full Linux PC with a small form factor and a low price of between […]

msmelt

July 3, 2023

26

J-Spring 2023: Decoding the secrets of the JVM internals – Lennart ten Wolde

One of the biggest areas being worked on in the JVM as of late is memory management. From new garbage collectors to virtual threads to value objects. What does all of this mean to us java developers? Should we anticipate the future and refresh our memory? In this presentation we are going to take a […]

msmelt

July 3, 2023

28

J-Spring 2023: Effective observability for cloud native applications – Grace Jansen

Our cloud-native environments are more complex than ever before! So how can we ensure that the applications we’re deploying to them are behaving as we intended them to? This is where effective observability is crucial. It enables us to monitor our applications in real-time and analyse and diagnose their behaviour in the cloud. However, until […]

msmelt

July 3, 2023

31

J-Spring 2023: Five Tricks for Java – Holly Cummins

The code we write has a climate impact. But how big is that impact? How do we measure it? How do we reduce it? Is the cloud helping? What’s going on with Virginia? Are we still allowed to do CI/CD? Will native compilation save us? Is Java even a good choice anymore? This talk discusses […]

msmelt

July 3, 2023

19

J-Spring 2023: Getting Started with Java Development on Microsoft Azure – Rafael de Oliveira Maia

This presentation offers tips, tricks, and tools to help you get up to speed with Java development on Microsoft Azure. After a brief explanation of Java and Microsoft Azure, This presentation introduces Azure App Services and Spring Apps, Azure Functions and Java Serverless, Azure Kubernetes Service (AKS), and Azure Virtual Machines (VMs). It also includes […]

msmelt

July 3, 2023

27

J-Spring 2023: Improving your skills with the debugger – Bouke Nijhuis

This presentation is about levelling up your debugging game. Most developers only use the proverbial tip of the iceberg when working with the debugger. There is so much more to learn so let’s have a look at interesting mechanisms like: – remote debugging (why stay on your local machine?) – hot code swapping (faster than […]

msmelt

July 3, 2023

16

J-Spring 2023: Internal Life of Your Debugger – Nataliia Dziubenko

Every developer is familiar with debugging: we all debug applications quite often. In this talk I invite you to take a look deeper and see how it works inside. To understand that better, we will first discuss the JVM architecture and the bytecode execution process. Then, let’s talk about Java Platform Debugger Architecture. We will […]

msmelt

July 3, 2023

19

J-Spring 2023: Introducing Kotlin In Your Organization, From The Ground Up – Julien Lengrand-Lambert

For you it’s obvious, Kotlin is the next big thing and it’ll bring your team to the next level. You see clear advantages, but others are not quite there yet. In this talk, I’ll describe the ways we found to get Kotlin inside ING, one of the largest European bank. We’ll look into simple ways […]

msmelt

July 3, 2023

25