On dependencies in objects
In OOP, objects collaborate. The initial idea of collaboration, first found in Smalltalk, was for object A to send a message to object B. …
Kotlin
Preparing for Spring Boot 4 and Spring Framework 7: What’s New?
Spring Boot 4 and Spring 7 bring API changes, native threads, and resilience. Prepare your codebase for the upgrade.
Pattern-matching across different languages
With destructuring, pattern matching is a huge help to developers who want to write readable and maintainable code.
Kotlin adoption inside ING, five years later
TL;DR : 5 years after its introduction Kotlin adoption inside ING keeps growing year after year, with a current adoption rate of just over …
Authoring an OpenRewrite Recipe
I've been eying OpenRewrite for some time, but I haven't had time to play with it... yet.
Pull request testing on Kubernetes: testing locally and on GitHub workflows
In this post, we'll lay the ground for a simple app's unit- and integration-testing, leveraging Testcontainers in the local environment.
Review of Junie, a coding agent by JetBrains – Revie
Checking out Junie, a newly announced coding agent by JetBrains by asking it to add a new feature to my pet project.
Duplicate finder – Tests
Coding a duplicate content finder that quickly detects exact and fuzzy-matching text in large text repositories and numerous files.
How does it feel to test a compiler?
My experience testing compilers, focusing on the Kotlin/Native compiler and how I got into compiler testing, the tasks involved, the tools I …
New video series "JavaFX In Action", Part 1
With this new series of video interviews, I want to take you behind-the-scenes of some applications built using JavaFX.