June 2012
Intermediate to advanced
528 pages
15h 40m
English
Content preview from Computers as Components, 3rd Edition
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7.5 System Analysis and Architecture Design
In this section we consider how to turn a specification into an architecture design. We already have a number of techniques for making specific decisions; in this section we look at how to get a handle on the overall system architecture. The CRC card methodology for system analysis is one very useful method for understanding the overall structure of a complex system.
7.5.1 CRC Cards
The CRC card methodology is a well-known and useful way to help analyze a system’s structure. It is particularly well suited to object-oriented design because it encourages the encapsulation of data and functions.
The acronym CRC stands for the following three major items that the methodology tries to identify:
• Classes ...