The two pillars of requirements

It’s Friday afternoon, 4:00 p.m. You’ve just merged the feature, the pipeline is green, and you feel invincible. Then the Slack message comes from the product owner: “Hey, looks good, but why does X happen when I do Y? That was discussed completely …

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: