Adding the Java kernel to your installation

In this section, we will add the Java kernel to your installation. The steps are very similar, regardless of whether you're installing in a Windows or a macOS environment.

The Java kernel, IJava, was developed and maintained by Spence Park at https://github.com/SpencerPark/IJava. There are a couple of requirements for using the Java kernel, which will be covered in the following sections.

Installing Java 9 or later

You can check the version of Java you have installed by using the following command at a command-line prompt:

java --version 

We need version 9 or later.

Also, the installed version must be a JDK. The JRE will not suffice. You can download the latest Java version...