what is xp and pp?

[Ram Ganesh]

hi guys
if u can tell me where can i find information about "what is extreme programming and pair programming?"
if some body can also tell me in brief about these (xp and pp) in this thread it would also be great!!!
is this a concept (xp and pp) ?
is pp a subset of xp?
regards
ram ganesh

[Junilu Lacar]

http://www.extremeprogramming.org is a gentle intro to eXtreme Programming
Read more about pair programming at http://www.pairprogramming.com

[Ilja Preuss]

XP is an agile software developing process (see also http://agilealliance.org/).
PP is one of the techniques used by XP, where code is written by two programmers working together on one computer.