8.4. Iteration 1 Requirements and Emphasis: Fundamental OOA/D Skills
In this case study, Iteration 1 of the elaboration phase emphasizes a range of fundamental and common OOA/D skills used in building object systems, such as assigning responsibilities to objects. Of course, many other skills and steps—such as database design, usability engineering, and UI design—are needed to build software, but they are out of scope in this introduction to OOA/D and the UP.
Iteration 1 Requirements
The requirements for the first iteration of the NextGen POS application follow:
Implement a basic, key scenario of the Process Sale use case: entering items and receiving a cash payment.
Implement a Start Up use case as necessary to support the initialization needs ...
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