As Java evolves, simplifying code and improving developer productivity remain priorities. JEP 476 introduces a new feature in JDK 23: Module Import Declarations. This feature aims to streamline the process of importing multiple packages from a module, enhancing code readability and reducing boilerplate. What is JEP 476? JEP 476 proposes the ability to import all packages exported by a module …

The Immutable Nature of Containers The Limitations of kubectl exec Avoiding Direct Modifications Enter Ephemeral Containers Using kubectl debug Practical Application of Ephemeral Containers Security Considerations Interlude: The Role of Observability Command Line Debugging Connecting a Standard IDE for Remote Debugging Conclusion Debugging application issues in a Kubernetes cluster can often feel like navigating a labyrinth. Containers are ephemeral by …

I continue to work on my Opentelemetry demo. Its main idea is to showcase traces across various technology stacks, including asynchronous communication via an MQTT queue. Recently, I added a couple of components and changed the architecture. Here are some noteworthy learnings; note that some of them might not be entirely connected to OpenTelemetry. Here’s an updated diagram. New components …

Hi everyone, welcome to the May update for Visual Studio Code for Java! In this articlem we are going to share an exciting new AI related feature for Java developers on Visual Studio Code. In addition, there will be several important Spring updates, so let’s get started. Rewriting your Java code with Copilot-based suggestions As our code undergoes updates and …

NLJUG Academy Masterclass: Modern Development with Quarkus By Susanne Pieterse – Java developer Introduction I recently had the pleasure of attending the NLJUG academy Masterclass meetup focused on modern development with Quarkus. I’m excited to share my insights with you. First and foremost, a heartfelt shout-out to the NLJUG team and the speakers of the evening, Joran Bergfeld and Dirk …

JDK 23 in Rampdown Phase One; the formation of the JDK 24 Expert Group; the release of Apache NetBeans 22; and five Jakarta EE specifications, namely: Jakarta Concurrency 3.1, Jakarta Data 1.0, Jakarta Faces 4.1, Jakarta Pages 4.0 and Jakarta Servlet 6.1, having passed their respective reviews. See here for the whole article at info!

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, …

Calling all Java enthusiasts, innovators, and experts! Ready to share your insights at J-Fall 2024 – the premier Java conference of the year? 🗣️ We’re seeking dynamic speakers for J-Fall 2024 on November 7th. If you have an intriguing story related to Java that you’d like to share with the NLJUG Community, submit your paper for J-Fall 2024 on November …

J-Spring 2024 is a wrap! We want to sincerely thank the attendees and the NLJUG community for another fantastic edition of J-Spring. With amazing speakers and enthusiastic attendees, it was truly a celebration. We want to thank everyone involved and who has joined J-Spring for the lovely day. And for now we will make sure the aftermovie and pictures go …

For a personal pet project, I started experimenting with JavaFX and Kotlin to create a user interface with a lot of Java / Kotlin background processing. As I knew there is a book available on this specific topic, Apress was so kind to send me a review copy of Frontend Development with JavaFX and Kotlin: Build State-of-the-Art Kotlin GUI Applications …