July 2001
Intermediate to advanced
656 pages
15h 51m
English
book
Applying UML and Patterns: An Introduction to Object-Oriented Analysis and Design and the Unified Process, Second Edition
by Craig Larman
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23.2. “Analysis” Discoveries During Design: Domain Model
Observe that in the Adapter design in Figure 23.1, the getTaxes operation returns a list of TaxLineItems. That is, on deeper reflection and investigation of how taxes are handled and tax calculators work, the designer (me) realized that a list of tax line items are associated with a sale, such as state tax, federal tax, and so forth (there is always the chance governments will invent new taxes!).
In addition to being a newly created software class in the Design Model, this is a domain concept. It is normal and common to discover noteworthy domain concepts and refined understanding of the requirements during design or programming—iterative development supports this kind of incremental discovery. ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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