Use Case Modelling

Illustrate to the end user how business process will work through Use Cases.

Course Overview

Business Analysts must be able to illustrate how end users, stakeholders and related systems, will be affected once the new systems are implemented. Known as ‘Use Case Modelling’, this process allows you to model the entire business process from providing the necessary documentation, to identifying the systems interaction with the business goals, rules and decisions. Learn how to find the actors, the scope and the relationship between them and how to focus on users’ needs whilst providing traceability. Through interactive exercises, you will practice writing the alternate/exception flows, read class diagrams and gain the ability to integrate Use Cases within the software development life-cycle.

Course Topics

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1. Introduction to Use Case Modelling
   1. Organising requirements with Use Cases
   2. Use Case diagrams as a UML notation
   3. Organising the model with packages
2. Identifying and Describing Actors
   1. Use Case actors
   2. Business versus system actors
   3. Identifying actors
   4. Mapping stakeholders to actors
   5. Users versus actors
3. Identifying and Describing Use Cases
   1. Identifying Use Cases
   2. Writing a Use Case description
   3. Including preconditions, postconditions, assumptions, and scenarios
4. Writing Use Case Scenarios
   1. Identifying the main success scenario
   2. Identifying alternates and exceptions
   3. Indicating iteration
5. Advanced Use Case Modelling Techniques
   1. Diagramming an <<include>> relationship
   2. Diagramming an <<extend>> relationship
   3. Diagramming generalisation and specialisation
   4. Considering multiplicity
6. Ensuring Use Case Quality
   1. Employing quality assurance techniques
   2. Ensuring Use Cases are testable
7. Prioritising Use Cases
   1. Estimating project cost with Use Cases
   2. Employing prioritisation techniques
8. Introduction to Object Modelling
   1. Use cases and Object Orientation (OO)
   2. Identifying objects and classes
9. Identifying and Describing Business Domain Objects
   1. Assigning objects to classes
   2. Guidelines for describing business objects
   3. Describing operations, attributes, and associations