Oracle Java JDK7 X64 Installation and Getting Started for PCLinuxOS 2012.08 64-bit KDE4 Desktop Easy Visual-Guide

The Guide shows you Step-by-Step How to Install Oracle-Sun Java JDK 7 x8664 for PCLinuxOS 2012.08 KDE4 64-bit Desktop.

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

To the Article Bottom there is a Link for Quick Start with Java JDK 7 Development and Installing the Java Tomcat7 Server on PCLinuxOS 2012.

And this Visual Guide 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 Java SE JDK 7:

   JDK 7 x64 tar.gz
   On the JDK Section Select the x64.tar.gz Release

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

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

6. Getting-Started and Running with JDK 7:

   Quick Start Tutorial for JDK 7 Development

   Java Dev Quick Start