You will need Eclipse development environment and Java 8 installed on your system where you can run/tweak these examples. If you prefer to use maven, then you will need maven installed to compile the code. To run the example, you also need Apache Hadoop 3.1 setup on Linux system. Finally, to use the Git repository of this book, you need to install Git.
The code files of this chapter can be found on GitHub:
https://github.com/PacktPublishing/Apache-Hadoop-3-Quick-Start-Guide/tree/master/Chapter4
Check out the following video to see the code in action: