Applying UML and Patterns: An Introduction to Object-Oriented Analysis and Design and Iterative Development, Third Edition

Chapter 18. Object Design Examples with GRASP

	To invent, you need a good imagination and a pile of junk.
	--Thomas Edison

Objectives

• Design use case realizations.

• Apply GRASP to assign responsibilities to classes.

• Apply UML to illustrate and think through the design of objects.

Introduction

This chapter applies OO design principles and the UML to the case studies, to show larger examples of reasonably designed objects with responsibilities and collaborations. Please note that the GRASP patterns by name are not important; they're just a learning aid that helps us think methodically about basic OO design.

Key Point

The assignment of responsibilities and ...