1. Download the latest JDK.
2. run 'sudo sh jdkFOO' to extract it.
3. Now do the following while in /usr/bin/:
	sudo ln -s ~/jdkFOO/bin/java java
	sudo ln -s ~/jdkFOO/bin/javac javac

It should be up and running. 

Here's a website to help, if problems happen:
	http://www.wikihow.com/Install-Java-on-Linux

To get firefox to play nice with it, go to the /jre's directory and 
go to plugins and copy the libjavaplugin_oji.so over to Firefox's
plugin directory

To find the folder with the plugin in it, do `locate libjavaplugin_oji`