NOTE: CentOS6 is ending support by end of 2020. https://tecadmin.net/install-java-8-on-centos-rhel-and-fedora/

1sudo add-apt-repository ppa:webupd8team/java 2sudo apt-get update 3sudo apt-get install oracle-java8-installer More details in https://www.digitalocean.com/community/tutorials/how-to-install-java-with-apt-get-on-ubuntu-16-04