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Design Patterns

Design pattern give class structure (class diagram) and behaviour (interaction diagrams)
Design patterns are modelled by templates of Collaborations, role parameters appropriate to the context of application being passed to obtain the design for the application
Example design pattern: Model-View-Controller pattern for user interfaces design in a document preparation software:

$\begin{figure} \epsfig {file=l4pattern2.eps}\end{figure}$

Ananda Amatya
11/3/1999