Install Java on Ubuntu server 12.04

How to install Java on your Ubuntu server 12.04?
Follow this easy 3-step guide:

sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java7-installer

Now you can enjoy Java on your Ubuntu ;)

References:
http://askubuntu.com/questions/197248/java-on-ubuntu-server-12-04