be warned, i did this and X was upgraded with the jdk, and x broke which took a while to fix.
> > echo "deb ftp://ftp.tux.org/pub/java/debian potato > non-free" >> /etc/apt/sources.list (all one line) > > apt-get update > > apt-get install j2sdk1.3 > > > Have a look the packages "jikes" and > > "ibm-fdk1.1-installer" for example. > >