CSCI 6448

Object Oriented Analysis and Design

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 9, Slide 15 of Dr. Kenneth M. Anderson's Spring 2003, 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

Example Use Case after Upgrade Seat is Extracted

Upgrade Seat Use Case

Use Case Diagram showing the Extend Relationship