Java install or extracting what's the difference?

Hi,
About to install a newer version of Java in our 10.1.3 production environment, but when reading this last part of the Installation note made me wonder:
"NOTE - If instead you want to only extract the RPM file but not install it, you can run the .bin file with the -x argument. You do not need to be root to do this."
We're running RedHat and I though the installation running the "./jre-1_5_0_<version>.bin" would be the same as extracting the file as described in "Note" on the end of the Installation Note.
Anyone know what the difference is?
Regards
Morten

" why wouldn't something like Google be even better?"
Because Google doesn't have a hertiage in making design software.
And yes, "Free is Free for a Reason" most definately applies in this instance. If you want it to look professional; then be prepared to pay. if you don't care if the result look amaturish, then a free option is perfectly acceptable. It depends entirely on how you want the end product ( i.e. your website ) to be percieved.

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