This will help you install jEdit, a programmer’s text editor.
Find out more here:
http://jedit.org/
To install it, fallow these steps:
– Edit sources.list file:
sudo joe /etc/apt/sources.list
– Add the fallowing lines:

deb http://dl.sourceforge.net/sourceforge/jedit ./
deb-src http://dl.sourceforge.net/sourceforge/jedit ./

– Run:
sudo apt-get update
– Install jEdit:
sudo apt-get install jedit
You’re done!