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Design Patterns Explained: A New Perspective on Object-Oriented Design, Second Edition by Alan Shalloway, James R. Trott

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Chapter 3. A Problem That Cries Out for Flexible Code

Overview

This chapter provides an overview of a problem we want to solve: Extract information from a large CAD/CAM1 database to feed a complex and expensive analysis program. Because the CAD/CAM system continues to evolve, the problem cries out for flexible code.

This chapter examines the CAD/CAM problem, the vocabulary of the domain, and important features of the problem.

Extracting Information from a CAD/CAM System

I am now going to review a past design of mine that got me on the road to the insights contained in this book.

I was supporting a design center in which engineers used a CAD/CAM system to make ...

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