Use Cases are an industry best practice for defining, documenting, and analyzing functional requirements. A use case approach is a user-centered approach for developing a solution to your business needs. Unfortunately, methods for developing use cases vary substantially across the industry. What information belongs in a use case? How can a use case be utilized to capture all the desired functionality? Are use cases applicable to all projects? Is there a template for writing use cases that is considered best practice? If you've ever been involved in a project involving use cases, you've probably encountered some confusing answers to these questions. Learn practical answers to these questions from one of the pioneers in Object Oriented Analysis. We have been developing and sharing best practices in use cases since the early 1990s.
This 2-day course provides a strong foundation in the mechanics of use case diagramming and writing textual descriptions of use cases. In this highly interactive workshop, you will learn how to enhance and refine your use case skills, how to involve your stakeholders in the use case process, and how to develop use cases that provide valuable information to the designers and testers. Use cases that meet the needs of designers can be too technical and too detailed for other stakeholders. Use cases that satisfy business users are usually not very helpful to designers and testers. How do you satisfy these two disparate interests? And how do you handle the details like business rules, data validations and user interface specifications?
Describe the purpose and value of a use case approach
Use case terminology
Introducing a use case approach
Module 3: Needs Assessment
Purpose of Needs Assessment
Needs Assessment and use cases
Defining and understanding the strategic goals and objectives
Understanding the business process
Identifying business information
Analyzing locations and operations
Drawing the business use case diagram
Building the business architecture
Defining solution options
Module 4: Defining System Scope
Product scope/project scope
System actors versus business actors
Analyzing the business process model
Analyzing business use cases
Identifying candidate use cases
Diagramming use cases
Draw a use case diagram
Create a use case catalog
Module 5: Evaluating, Prioritizing, and Packaging Use Cases
Iterative nature of this work
Evaluating use cases
Use case priority
Use case risk
Use case complexity
Use case dependencies
Evaluate and Prioritize use cases
Dividing work up between releases
A process for how to perform packaging
Module 6: Writing the main success scenario
Use case descriptions
Primary and secondary goals
Main success scenario
Use cases and requirements
Best practices for writing a use case description
Module 7: Writing the other scenarios
Scenarios and flows
Alternate scenarios and flows
Alternate vs. basic flow
Guidelines for alternate flows
Failed post conditions
Write alternate and exception flows
Module 8: Process Modeling to describe use case flows
UML® Activity Diagram Notation
Developing an activity diagram
Draw a UML® Activity Diagram
Module 9 Using Advanced Diagramming Techniques
Identify <<include>> and <<extend>> relationships
Comparing the different relationships
Module 10: Developing a Requirements Specification
Requirements and use cases
Common approaches to specifications
Write non-functional requirements
User interface requirements
UI data descriptions
Decision tables and inference rules
How to document simple calculations
Data accessibility requirements
Module 11: Course Summary
Finding more information
This course has been expressly designed for the Business Analyst, Business System Analyst, System Analyst, and/or Requirements Engineer. The Designer, Developer and Tester who are actively involved in utilizing use cases may also benefit from this workshop.
Knowledge of requirements process and requirements elicitation techniques
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