It started with a cross platform app that gave me an error

Create Full Screen Graphic Displayer

So I am confident of the advice given there for the time being and I have downloaded an rpm and a *.tgz file.

Java Code:
root@kayve-laptop:/home/kayve/src# pwd
/home/kayve/src
root@kayve-laptop:/home/kayve/src# ls
Book.bin             jdk-7-linux-x64.tar.gz  stockfish-211-book.zip  thesis
jdk1.7.0             scid                    stockfish-211-ja
jdk-7-linux-x64.rpm  scid-4.3.tar            stockfish-211-ja.zip
root@kayve-laptop:/home/kayve/src#
Ignore the non jdk stuff in that directory.

the README.html in jdk1.7.0 has me all over kingdom come Ubuntu 10.10 etc Java 6

Java Code:
root@kayve-laptop:/home/kayve/src# uname -a
Linux kayve-laptop 2.6.38-11-generic-pae #48-Ubuntu SMP Fri Jul 29 20:51:21 UTC 2011 i686 i686 i386 GNU/Linux
root@kayve-laptop:/home/kayve/src#
I thought I have 64 bit dual core processor maybe I have the wrong tarball. My Ubuntu is Nutty Narwhal 11.04

Can't Install Ubuntu Natty Narwhal Java 7 JDK-ubuntu_version.jpg

As usual, I have scores of browser tabs open, and today most of them are pointing to random Java installation instructions.

HELP! PLEASE

Thanks in advance