Offhand, I would have to guess that there's no reason you couldn't use UML 2, since there's no stated version of UML that's required for the diagrams. You might, though, want to drop Prometric/Sun Educational an email to ask to be one hundred precent sure (and let us know what they say!).
Theodore Jonathan Casser
SCJP/SCSNI/SCBCD/SCWCD/SCDJWS/SCMAD/SCEA/MCTS/MCPD... and so many more letters than you can shake a stick at!
With a little knowledge, a cast iron skillet is non-stick and lasts a lifetime.
