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:

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.

1. What is Faker?

Faker is a Java library that helps you generate realistic-looking test data. This is particularly useful in application development and testing when you need realistic but random data.