To get the most out of this book

To execute the instructions in this book, you’ll need the following:

Software/hardware covered in the book	Operating system requirements
Java Development Kit 17+	Windows, macOS, or Linux
Recommended IDE VSCode 1.73.1+	Windows, macOS, or Linux
A text editor or IDE	Windows, macOS, or Linux

For this book, installation of Java Development Kit 17+ is required. To verify if it is available on your system, execute the following commands:

• Windows Command Prompt: java –version
• Linux or macOS system command line: java –version

Expected output:

openjdk version "17" 2021-09-14
OpenJDK Runtime Environment (build 17+35-2724)
OpenJDK 64-Bit Server VM (build 17+35-2724, mixed mode,
sharing)

In case you don’t have the JDK installed on your local machine, search for the appropriate instructions for your platform at https://dev.java/learn/getting-started-with-java/ and find the matching JDK version at https://jdk.java.net/archive/.

To download and install Visual Studio Code, visit https://code.visualstudio.com/download.

The following page describes and guides the use of the VSCode terminal: https://code.visualstudio.com/docs/terminal/basics.