How to install / upgrade to JAVA 8 (JDK 8u45) on Ubuntu & LinuxMint using PPA

Oracle JAVA 8 Stable release has been released on Mar,18 2014 and can be downloaded and installed from Oracle Java downloads . Oracle Java PPA for Ubuntu and LinuxMint is being maintained by WebUpd8 .
 
Read about the new features about Java 8 here .

This article will help you to Install Oracle JAVA 8 (JDK/JRE 8u25) on Ubuntu 14.04 LTS, 12.04 LTS and 10.04 and LinuxMint systems using PPA File.

Installing Java 8 on Ubuntu

Add the webupd8team Java PPA repository in your system and install Oracle Java 8 using following set of commands.

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

Verify Installed Java Version

After successfully installing oracle Java using above step verify installed version using following command.

anmol@anmol-Studio-1555:~$ java -version
java version "1.8.0_45"
Java(TM) SE Runtime Environment (build 1.8.0_45-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.45-b02, mixed mode)  

Configuring Java Environment 

In Webupd8 ppa repository also providing a package to set environment variables, Install this package using following command.

$ sudo apt-get install oracle-java8-set-default 

References :

https://launchpad.net/~webupd8team/+archive/ubuntu/java
http://www.webupd8.org/2012/09/install-oracle-java-8-in-ubuntu-via-ppa.html