javajack

Import the official AdoptOpenJDK GPG key
Import the AdoptOpenJDK DEB repo using add-apt-repository


wget -qO - https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public | sudo apt-key add -

sudo add-apt-repository --yes https://adoptopenjdk.jfrog.io/adoptopenjdk/deb/

sudo apt update