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.

As a beginner in the Java library “Faker”, there are many interesting ways you can generate custom fake data. I will explain to you step by step how you can create your own fakes and use Faker’s flexibility.