Oracle Java JDK7 How to Install on Xubuntu 13.04 Raring Amd64 Easy Visual-Guide

Install Oracle JDK 7 on Xubuntu 13.04 Raring Amd64

Hi! The Tutorial shows you Step-by-Step How to Install Oracle-Sun Java JDK 7 x64 for Linux Xubuntu 13.04 Raring 64-bit Xfce Desktop.

After Installing you will need to Use the update-alternatives Command Tool to Update your System Java to Oracle Java 1.7 JDK.

To the How to Download and Install Oracle JDK 8+ on Xubuntu 13.04 Raring Bottom there is a Link for Quick Start with Java JDK 7 Development and also How to Install the Java Web-Servers Tomcat7 for Linux Xubuntu.

And this Visual Guide includes the Basic Screenshots of All GUI Steps involved.

The content and details are expressly reduced to give Focus only to the Essentials Instructions and Commands and Make the Tut Easier to Understand ;)

1. Download Latest Oracle Java SE JDK 7:

   Oracle JDK x64 tar.gz
   Oracle Jdk 7 Linux

2. Double-Click on the tar.gz Archive and Extract into /tmp
   

3. Open a Terminal Window
   (Press “Enter” to Execute Commands)

4. Relocate JDK 7

   sudo su

   If Got “User is Not in Sudoers file” then see: How to Enable sudo

   if [ ! -d "/usr/lib/jvm" ]; then mkdir /usr/lib/jvm; fi

   The above command is used to create a jvm directory if not already there.

   sudo chown -R root:root /tmp/jdk1.7*

   Reiterate the Execution Permission over the Java binaries

   chmod -R +x /tmp/jdk1.7*/bin

   Finally, Shift the Java contents with

   mv /tmp/jdk1.7* /usr/lib/jvm/

5. Installing Oracle Java JDK 7

   update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.7*/bin/java 1065

   update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.7*/bin/javac 1065

   update-alternatives --install /usr/bin/jar jar /usr/lib/jvm/jdk1.7*/bin/jar 1065

   update-alternatives --install /usr/bin/javaws javaws /usr/lib/jvm/jdk1.7*/bin/javaws 1065

   Checking or Setting the System Java Version in Use with.

   update-alternatives --config java

   And for the Java Compiler instead:

   sudo update-alternatives --config javac

   To Switch of Java Version Just Enter the Reference Number on First, Column. :)

6. Optionally Set Java Environment Variable.

   su <myUser>

   nano $HOME/.bashrc

   Append:

   export JAVA_HOME=/usr/lib/jvm/jdk1.<X.Y_uZ>

   Ctrl+x to Save & Exit from nano :)

   source $HOME/.bashrc

7. How to Install Oracle Java Browser Plug-In:

   Install Oracle Java Firefox PlugIn

   Installing Oracle Java Plugin.

Guides to Install the Tomcat 7 Java Server on Linux Xubuntu:

Install Tomcat7 for Xubuntu
The Tutorial Contains a List of Guides with Detailed Instructions on Installing Latest Tomcat7 Java Server for Linux Xubuntu Distro