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FIFTH EDITION
Programming C# 3.0
Jesse Liberty and Donald Xie
Beijing
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Programming C# 3.0, Fifth Edition
by Jesse Liberty and Donald Xie
Copyright © 2008 O’Reilly Media, Inc. All rights reserved.
Printed in the United States of America.
Published by O’Reilly Media, Inc., 1005 Gravenstein Highway North, Sebastopol, CA 95472.
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Illustrator:
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Printing History:
July 2001: First Edition.
February 2002: Second Edition.
May 2003: Third Edition.
February 2005: Fourth Edition.
December 2007: Fifth Edition.
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Programming C# 3.0
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ISBN-10: 0-596-52743-8
ISBN-13: 978-0-596-52743-3
[M]
Table of Contents
Preface
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ix
Part I.
The C# Language
1. C# 3.0 and .NET 3.5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
The Evolution of C#
3
The C# Language
4
The .NET Platform
6
2. Getting Started: “Hello World”
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7
Classes, Objects, and Types
7
Developing “Hello World”
14
Using the Visual Studio 2008 Debugger
18
3. C# Language Fundamentals
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21
Types
21
Variables and Constants
25
Whitespace
33
Statements
33
Operators
49
Preprocessor Directives
59
4. Classes and Objects
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
61
Defining Classes
62
Creating Objects
67
Using Static Members
75
Destroying Objects
79
Passing Parameters
83
iii
Overloading Methods and Constructors
89
Encapsulating Data with Properties
92
readonly Fields
96
5. Inheritance and Polymorphism
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
98
Specialization and Generalization
98
Inheritance
101
Polymorphism
102
Abstract Classes
109
The Root of All Types: Object
113
Nesting Classes
115
6. Operator Overloading
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
118
Using the operator Keyword
118
Supporting Other .NET Languages
119
Creating Useful Operators
120
Logical Pairs
120
The Equality Operator
120
Conversion Operators
121
Putting Operators to Work
121
7. Structs
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
127
Defining Structs
128
Creating Structs
129
8. Interfaces
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
132
Defining and Implementing an Interface
132
Overriding Interface Implementations
147
Explicit Interface Implementation
151
9. Arrays, Indexers, and Collections
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
156
Arrays
156
The foreach Statement
162
Indexers
177
Collection Interfaces
186
Constraints
190
List<T>
195
Queues
206
Stacks
208
Dictionaries
211
iv
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Table of Contents
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