1Ubuntu 13.04 does not equipped with JAVA by default. We need to install and configure Java manually on Ubuntu 13.04. This tutorial below will guide you how to install OpenJDK and OpenJRE application on Ubuntu 13.04. Java is an essential application on Ubuntu. It’s needed by web browser and many other applications. Please read the following tutorial on how to install OpenJDK and OpenJRE on Ubuntu 13.04.
Open Terminal and paste this command:
sudo apt-get install openjdk-7-jre openjdk-7-jdk icedtea-7-plugin
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