Installing Oracle JDK 8 on Ubuntu Linux

Recently I installed Ubuntu Linux 15 64-bit on my laptop.

I then realized that the Oracle JDK 8 does not come as part of the standard distribution. A quick google search led me to the instructions below which I managed to follow without any problems.

http://tecadmin.net/install-oracle-java-8-jdk-8-ubuntu-via-ppa/
or
http://www.webupd8.org/2012/09/install-oracle-java-8-in-ubuntu-via-ppa.html


Here are all the commands (that you can cut and paste)

sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer
sudo apt-get install oracle-java8-set-default