Install Java 8 on Ubuntu 14.04

You can install open JDK 8 on Ubuntu 14.04 using the following commands.

sudo add-apt-repository ppa:openjdk-r/ppa
wajig update
wajig install openjdk-8-jdk

For more please refer to https://askubuntu.com/questions/464755/how-to-install-openjdk-8-on-14-04-lts.