Emacs 21 and JDE (JDEE) Installation in Debian Etch

To install JDE or JDEE or Java IDE for Emacs, it is easier to do it through Synaptic package manager than to manually install the package by following instructions on the JDEE web site (http://jdee.sunsite.dk/). However, we need to add an additional source URL to the sources.list file in the /etc/apt directory. So, follow the [...]