Setting up the environment with Gradle and JUnit

You are probably familiar with the setup of Java projects. However, you might not have worked with IntelliJ IDEA before or you might have used Maven instead of Gradle. In order to make sure that you can follow the exercise, we'll quickly go through the setup.

Setting up Gradle/Java project in IntelliJ IDEA

The main purpose of this book is to teach TDD, so we will not go into detail about Gradle and IntelliJ IDEA. Both are used as an example. All exercises in this book can be done with different choices for IDE and build tools. You can, for example, use Maven and Eclipse instead. For most, it might be easier to follow the same guidelines as those presented throughout the book, but the choice is yours.

The following steps will create a new Gradle project in IntelliJ IDEA:

1. Open IntelliJ IDEA. Click on Create New Project and select Gradle from the left-hand side menu. Then, click on Next.
2. If you are using IDEA 14 and higher, you will be asked for an...