Java installing

[Roberto Mura <mura.roberto@electa-spa.it>]

Hi,
I'm a linux debian newbie, and i havo no idea about get working j2se 5.0

I have downloaded binaies, converted in deb, installed with dpkg,
but still get error:

java NoClassDefFound java/lang/Object

when trying to execute

./java -version

Could somene help me?

Thanks a lot.
Roberto Mura