A code kata is a smaller exercise in programming which helps programmers to improve their skills through practice and repetition.
You can find the task description inside the project folder of each project. The filename is called "Task.txt". Alternatively you have a list at the end of this file of all exercises. By clicking them you will be forwarded to the corresponding task description.
In my solutions every single project is a Maven project. The reason for this is that certain dependencies are needed to make testing with JUnit 5 possible. This means that each of my solutions was covered as far as possible with JUnit 5 tests.