Installing Java steps for WebSphere and Jboss

Installing Java on Ubuntu.

Having Java installed is a prerequisite for WebSphere and Jboss Application Server.  Installing Java with apt-get is easy. 

First, update the package index:

sudo apt-get update

Then, check if Java is not already installed:

java -version

( The above screen shot shows that Java is not installed ).

Installing the Oracle JDK

First, add Oracle's PPA, then update your package repository

Step 1 :  sudo add-apt-repository ppa:webupd8team/java


Step 2 : sudo apt-get update

Then, depending on the version you want to install, execute one of the following commands:

This is the latest stable version of Java at time of writing, and the recommended version to install. You can do so using the following command:

Step 3 : sudo apt-get install oracle-java8-installer

JDK is installed now. Lets check :