Lecture 15: A Case Study of "Gang of Four" Patterns

This screencast is from a course I taught on March 12th at Vanderbilt University in my course CS 251: Intermediate Software Design.  It begins covering the case study of Gang-of-Four patterns, focusing on the features of the expression tree processing app & the limitations of algorithmic decomposition.  Please see http://www.dre.vanderbilt.edu/~schmid... for more information about CS 251.

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