Extend Relationship Between Use Cases

This page includes material from Steve Adolph's and Paul Bramble's book: "Patterns for Effective Use Cases". © 2003. Addison-Wesley.

It is being used to support Lecture 7-8, Slide 15 of Dr. Kenneth M. Anderson's Spring 2005, CSCI 6448: Object-Oriented Analysis and Design class.

As such, the images on this page, are Addison-Wesley, © 2003.

Example Use Case before use of Extend Relationship

Use Case before use of Extend Relationship Use Case before use of Extend Relationship

Example Use Case after Upgrade Seat is Extracted

Use Case after use of Extend Relationship

Upgrade Seat Use Case

Upgrade Seat Use Case

Use Case Diagram showing the Extend Relationship

Use Case Diagram of Extend Relationship