Howto Install Oracle Java JDK 7 on OS4 OpenDesktop 13 64-bit Easy Visual-Guide

Install Oracle JDK 7 on OS4 Linux

The Guide shows you Step-by-Step How to Install Oracle-Sun Java JDK 7 x64 on Linux OS4 OpenDesktop 13 x64 Desktop.

After Installing you can Use the update-alternatives Tool to Update your System Java to 1.7.

Finally, to the article Bottom there is a Link 4 Getting Installed also the JBoss Java Server for Linux OS4 OpenDesktop 13.

To Make the Entire Easy to Understand and Visualize the How to Download and Install Oracle JDK 8+ on OS4 Includes the Basic Screenshots of All GUI Steps involved.

The Content give Focus Only to the Essentials Instructions and Commands to make it Easier to Follow.

1. Download Oracle-Sun Java SE JDK:

   Sun Java JDK 7 x64 tar.gz
   On the Java SE JDK Section Select the x64 tar.gz Linux Release

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

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

   

4. Relocate JDK 7

   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. Getting-Started and Running with JDK 7:

   Quick Start Tutorial for JDK 7 Development

   Java Dev Quick Start