JUnit 5 is the latest version of the popular testing framework for Java. It offers a variety of features to help you test your applications. To give you as a beginner the most important 20% of insights that will help you understand and apply 80% of JUnit 5 usage, we will focus on the basic and …

1. What is a Predicate?

A Predicate is a functional interface in Java 8 that checks a condition and returns a boolean DayOfWeek returns: true or false. It has a single abstract method:

Apps for the Mac that I can’t live without!

Since I come from the Linux world, I am used to being able to highly customize my OS to suit my needs. Maybe that’s one of the reasons why I can’t get along with Windows at all.