NLJUG – Nederlandse Java User Group NLJUG – de Nederlandse Java User Group – is opgericht in 2003. De NLJUG verenigt software ontwikkelaars, architecten, ICT managers, studenten, new media developers en haar businesspartners met algemene interesse in alle aspecten van Java Technology.
Quickly learn how easy it is to create data-centric web applications with the combination of Vaadin and jOOQ!
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Hilla 1.0: A new Frontend Framework for SpringBoot
Hilla is a new framework for building reactive web apps on Java backends. It seamlessly integrates a reactive Lit TypeScript frontend with a Spring Boot backend.
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Read More »Java Bytecode Simplified: Journey to the Wonderland (Part 1)
Today I will make an attempt to appreciate how unique the JVM is. So, let’s begin the journey to how Java works!
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Read More »Alternatives to DTO
I believe that DTOs should be a thing of the past. Yet, it seems their usage is still widespread.
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Read More »Playing practically with Stream API
Let’s learn java stream API with a few practical examples
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Read More »Cassandra Database Migration to Kubernetes with Zero Downtime
K8ssandra is a cloud-native distribution of the Apache Cassandra® database that runs on Kubernetes, with a suite of tools to ease and automate operational tasks. In this post, we’ll walk you through a database migration from a Cassandra cluster running …
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Read More »Building Reactive Java Applications with Spring Framework
Pretty much all Java developers are familiar with Spring Pet Clinic. In this article, we have given a walkthrough of the reactive implementation of it using Apache Cassandra.
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Read More »Introducing 140 Second Ducklings: What is Debugging?
I’m launching a new Twitter video series that will focus on teaching the concepts of debugging (and other concepts) in small video bites
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Read More »Backpressure in Reactive Systems
Considering a fast data producer and a slow data consumer, backpressure is the mechanism that “pushes back” on the producer not to be overwhelmed by data.
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Read More »Debugging RAM: Detect/Fix Memory Leaks in Managed Languages – Heap Deep Dive (Part 2)
Java and JavaScript are garbage collected languages. But memory leaks can still plague them. How to avoid, detect, and fix heap problems?
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