UML Demystified

There's no easier, faster, or more practical way to learn the really tough subjects UML Demystifiedexplains how to read, model, and use UML to create well-structured, stable software products. This self-teaching guide comes complete with key points, background information, quizzes at the end of each chapter, and even a final exam. Simple enough for beginners but challenging enough for advanced students, this is a lively and entertaining brush-up, introductory text, or classroom supplement.

Paul Kimmel (Okemos, MI) is the Chief Architect and a founder for Software Conceptions, Inc. He has been designing and implementing object-oriented software since 1990 and has a dozen or more years of experience with modeling languages and was an early adopter of the Unified Modeling Language. Paul has helped design and implement solutions using the UML for some of the larges coporations in the world from International Banks, Multinational Telecommunications companies, Logistics and Shipping companies, Department of Defense agencies and national and international governmental groups.

Acknowledgments

xv

Introduction

xvii

A Picture Is Worth a Thousand Lines of Code

1

(16)

Understanding Models

2

(1)

Understanding the UML

3

(1)

The Evolution of Software Design

3

(2)

If No One Is Modeling, Why Should You?

5

(1)

Modeling and the Future of Software Development

5

(1)

Modeling Tools

5

(1)

Using Models

6

(1)

Creating Diagrams

7

(5)

Reviewing Kinds of Diagrams

7

(5)

Finding the Finish Line

12

(2)

How Many Diagrams Do I Create?

12

(1)

How Big Should a Diagram Be?

13

(1)

How Much Text Should Supplement My Models?

13

(1)

Get a Second Opinion

13

(1)

Contrasting Modeling Languages with Process

14

(1)

Quiz

14

(2)

Answers

16

(1)

Start at the Beginning with Use Cases

17

(30)

Making the Case for Use Cases

18

(3)

Prioritizing Capabilities

19

(1)

Communicating with Nontechnophiles

20

(1)

Using Use Case Symbols

21

(11)

Actor Symbols

21

(1)

Use Cases

21

(1)

Connectors

22

(3)

Including and Extending Use Cases

25

(2)

Annotating Use Case Diagrams

27

(5)

Creating Use Case Diagrams

32

(11)

How Many Diagrams Is Enough?

34

(1)

Example Use Case Diagrams

34

(9)

Driving Design with Use Cases

43

(1)

Quiz

44

(2)

Answers

46

(1)

Diagramming Features as Processes

47

(34)

Elaborating on Features as Processes

48

(3)

A Journey toward Code

48

(1)

Understanding Activity Diagram Uses

49

(2)

Using Activity Diagram Symbols

51

(21)

Initial Node

52

(1)

Control Flow

52

(4)

Actions

56

(6)

Decision and Merge Nodes

62

(1)

Transition Forks and Joins

63

(1)

Partitioning Responsibility with Swimlanes

63

(4)

Indicating Timed Signals

67

(3)

Capturing Input Parameters

70

(1)

Showing Exceptions in Activity Diagrams

70

(1)

Terminating Activity Diagrams

71

(1)

Creating Activity Diagrams

72

(1)

Reengineering Process

73

(4)

Reengineering a Subactivity

74

(3)

Knowing When to Quit

77

(1)

Quiz

77

(2)

Answers

79

(2)

Discovering Behaviors with Interaction Diagrams

81

(20)

Elements of Sequence Diagrams

82

(9)

Using Object Lifelines

83

(1)

Activating a Lifeline

84

(1)

Sending Messages

85

(2)

Adding Constraints and Notes

87

(1)

Using Interaction Frames

87

(4)

Understanding What Sequences Tell Us

91

(1)

Discovering Objects and Messages

92

(2)

Elements of Collaboration (or Communication) Diagrams

94

(2)

Equating Design to Code

96

(1)

Quiz

97

(2)

Answers

99

(2)

What Are the Things That Describe My Problem?

101

(30)

Elements of Basic Class Diagrams

102

(18)

Understanding Classes and Objects

103

(8)

Modeling Relationships in Class Diagrams

111

(6)

Stereotyping Classes

117

(1)

Using Packages

118

(1)

Using Notes and Comments

118

(1)

Constraints

118

(2)

Modeling Primitives

120

(1)

Modeling Enumerations

121

(1)

Indicating Namespaces

122

(1)

Figuring Out the Classes You Need

123

(5)

Using the Naive Approach

124

(1)

Discovering More than Domain Analysis Yields

124

(4)

Quiz

128

(2)

Answers

130

(1)

Showing How Classes Are Related

131

(26)

Modeling Inheritance

132

(7)

Using Single Inheritance

132

(3)

Using Multiple Inheritance

135

(4)

Modeling Interface Inheritance

139

(4)

Whiteboarding

139

(1)

Using Realization

140

(3)

Describing Aggregation and Composition

143

(2)

Showing Associations and Association Classes

145

(5)

Exploring Dependency Relationships

150

(3)

Adding Details to Classes

153

(1)

Quiz

153

(2)

Answers

155

(2)

Using State Chart Diagrams

157

(18)

Elements of a State Diagram

158

(8)

Exploring State Symbols

159

(5)

Exploring Transitions

164

(2)

Creating Behavioral State Machines

166

(1)

Creating Protocol State Machines

167

(1)

Implementing State Diagrams

168

(4)

Quiz

172

(1)

Answers

173

(2)

Modeling Components

175

(10)

Introducing Component-Based Design

177

(1)

Using a Top-Down Approach to Design

177

(1)

Using a Bottom-Up Approach to Design

178

(1)

Modeling a Component

178

(1)

Specifying Provided and Required Interfaces

179

(1)

Exploring Component Modeling Styles

180

(3)

Diagramming Components for Consumers

180

(2)

Diagramming Components for Producers

182

(1)

Quiz

183

(1)

Answers

184

(1)

Fit and Finish

185

(12)

Modeling Dos and Don'ts

186

(3)

Don't Keep Programmers Waiting

187

(1)

Work from a Macro View to a Micro View

187

(1)

Document Sparingly

187

(1)

Find an Editor

188

(1)

Be Selective about Diagrams You Choose to Create

188

(1)

Don't Count on Code Generation

188

(1)

Model and Build from Most Risky to Least Risky

188

(1)

If It's Obvious Don't Model It

189

(1)

Emphasize Specialization

189

(1)

Using Known State Patterns

189

(3)

Refactoring Your Model

192

(1)

Adding Supporting Documentation

192

(1)

Validating Your Model

193

(1)

Quiz

193

(2)

Answers

195

(2)

Visualizing Your Deployment Topology

197

(12)

Modeling Nodes

198

(3)

Showing Artifacts in Nodes

201

(3)

Adding Communication Paths

204

(2)

Quiz

206

(1)

Answers

207

(2)

APPENDIX A: Final Exam

209

(16)

Answers

223

(2)

Selected Bibliography

225

(2)

Index

227

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Summary

Author Biography

Table of Contents

Supplemental Materials

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UML Demystified

Summary

Author Biography

Table of Contents

Supplemental Materials

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