Beyond Java 8 - What’s next?

After I’ve been working with Java 8 for some time now due to customer projects. It’s time to see what features I’m missing. Here is a summary of the most important features since Java 8.

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: