How to install Oracle Java 7 or Java 8 on Ubuntu-14.04

How to install Oracle Java8 on Ubuntu-14.04

Go to Terminal and use foolowing commands. 
 
Add Repo:
sudo add-apt-repository ppa:webupd8team/java
 
Update Repo:
sudo apt-get update


Install JAVA:
sudo apt-get install oracle-java8-installer


How to install Oracle Java 7 on Ubuntu-14.04


Go to Terminal and use foolowing commands. 
 
Add Repo:
sudo add-apt-repository ppa:webupd8team/java
 
Update Repo:
sudo apt-get update
 
Install JAVA:
sudo apt-get install oracle-java7-installer