Java 8 Installation

Java 8 Environment Installation: (Be sure to don't paste the whole thing and paste it in order)

1) sudo apt update
2) sudo apt install software-properties-common
3) apt-get install screen unzip wget
4) wget -qO - https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public | sudo apt-key add -
5) sudo add-apt-repository --yes https://adoptopenjdk.jfrog.io/adoptopenjdk/deb/
6) sudo apt-get update && sudo apt-get install adoptopenjdk-8-hotspot