Hi all,
Trying to help a friend out with the implementation of the above title. Not one of the things I've done before, anybody has any ideas?

do you want to do it manually or do you want it generated from a set of classes in your project?

Hey Babe!
Whats poppin?
Well it's gonna work this way, the UML diagrams are built in tools such as MagicDrawUML or Visio and then an MDL or XML file is generated.
It is this file that the Java code would now use to generate test cases!
U grab?

Use BlueJ and thank me later, but i hate it cuz its too beginner-ish but it will handle it for you.

Try yUML, its open source and you can integrate it with netbeans

Thanks guys!
I've gone through your suggestions and have found some cool things, but none of them start from where I want.
I'm not looking for a program/plugin that'll help draw UML diagrams or convert them to classes.
The starting point of the project is to first get a suitable UML modelling tool (that would give me the diagrams in MDL/XML formats) with a very good Java parser API and then we can move forward with an algorithm to test the compliance of the models.
Expecting you bright ideas as always!