Cleanup of git branches

In our work projects we use a lot of git branches. Over time, the number of branches in my local repository grows and it gets more complicated to find specific branches. For this reason I like to cleanup untracked branches every now and then, and because this is only an issue every few months, I keep …

Automatic switching of Java SDK versions

I’ve been using SdkMan! for a long time, it makes it quite easy to manage multiple versions of different frameworks. I’ve been almost exclusivly using it to manage Java SDK versions over the past years, and although I’m mostly writing code in Kotlin recently every now and then I’m also looking at Java based projects. …

Parameterized Tests with JUnit 5 Jupiter

This post has originally been published on the codecentric blog. It was translated to english and slightly edited for this blog. A month back the JUnit team published the offical version of JUnit 5. There’s plenty of resources for high level overviews and if you want to catch up I can recommend this (german) article …

Kotlin and Spring: Working with JPA and data classes

This post has originally been published on the codecentric blog. I’ve been looking at Kotlin for a while now and since Spring will support Kotlin as a first class language from version 5 onward I wanted to see how they currently work together. Being a Java programmer you’re probably familiar with the Java Persistence API: …