January 2012
Intermediate to advanced
587 pages
19h 47m
English
Content preview from System Analysis and Design, Fifth Edition
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CHAPTER 4
USE CASE ANALYSIS
Use cases are used to explain and document the interaction that is required between the user and the system to accomplish the user's task. Use cases are created to help the development team understand more fully the steps that are involved in accomplishing the user's goals. Once created, use cases often can be used to derive more detailed functional requirements for the new system.
OBJECTIVES
- Explain the purpose of use cases in the analysis phase of the SDLC.
- Describe the various parts of a use case and the purpose of each part.
- Explain the process used to create a use case.
- Describe how use cases contribute to the functional requirements.
- Describe how use cases inform the development of test plans.
CHAPTER OUTLINE
Introduction
Use Cases
Elements of a Use Case
Alternative Use Case Formats Use Cases and the Functional Requirements
Use Cases and Testing Building Use Cases
Applying the Concepts at Tune Source
Identifying the Major Use Cases
Elaborating on the Use Cases
Summary
INTRODUCTION
Chapter 3 discussed the overall process of the analysis phase of the SDLC, resulting in the system proposal deliverable. Within the system proposal is the requirements definition, defining exactly what the new system should do. As we previously discussed, a key aspect of determining the requirements for the new system is understanding the user requirements: the things ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.