Installing Java

The easiest way to install Java using a GUI is using the Oracle Java installer(works on all platforms).

You can also use Homebrew on macOS:

brew cask install java8

or apt on Linux:

sudo apt-get install openjdk-8-jdk openjfx

or yum on Linux:

Follow this guide on installing Oracle Java 8 with yum. (the tutorial is for Java version 8u161, but use 8u202 instead)