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UML Class Diagram HELP!!!

Hi All

I was asked to create a DFD and class diagram based upon the pay by phone parking system made by www.verrus.co.uk as a project. I have very succefully created the Level 1 DFD Diagram but am stuck on the Class Diagram purley for the fact I hasve new done a class diagram in my life. Below is a link to my DFD.

http://img157.imageshack.us/img157/9604/dfdlevel1hy4.jpg

Now the question is what is the classes and how do I identify them for this system. So how do I draw them up as a class diagram.

Thank you,
Jrheeder

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jrheeder
Asked:
jrheeder
1 Solution
 
bnblazerCommented:
This may sound a bit silly, but you might want to try to extrapolate all of the "nouns." These generally can represent the classes in an application.
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jrheederAuthor Commented:
Thank yuo that actaully helped a lot
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