Essentials of Software Engineering, 3rd Edition

ix

Contents

Preface iii

Chapter 1 Writing a Program 1

1.1 A Simple Problem 2

1.2 Decisions, Decisions 2

1.2.1 Functional Requirements 3

1.2.2 Nonfunctional Requirements 4

1.2.3 Design Constraints 5

1.2.4 Design Decisions 6

1.3 Testing 6

1.4 Estimating Effort 7

1.5 Implementations 8

1.5.1 A Few Pointers on Implementation 8

1.5.2 Basic Design 10

1.5.3 Unit Testing with

JUnit 10

1.5.4 Implementation of

StringSorter 10

1.5.5 User Interfaces 16

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1.6 Summary 19