How to Install Oracle Java JDK 7 X64 on Linux Fedora 17 64-bit KDE Easy Visual-Guide

Select the Open with Package Installer Option Or Double-Click After

When the Download is Achieved you will be Automatically Prompted for Installing

After all the Dependencies are Fulfilled Java is Ready to Be Installed

Follow to Confirm and Authorize Also if you Are Warned About Installation of Unsigned Content…

Updating System Java to Oracle JDK

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

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

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

update-alternatives --install /usr/bin/javaws javaws /usr/java/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. :)

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

How to Install Oracle Java Browser Plug-In: