实现模式(英文版)

实现模式(英文版)
作 者: Kent Beck
出版社: 人民邮电出版社
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版权说明: 本书为公共版权或经版权方授权,请支持正版图书
标 签: 程序设计
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作者简介

暂缺《实现模式(英文版)》作者简介

内容简介

《实现模式》(英文版)中,Kent Beck将自己多年形成的编程习惯以及阅读既有代码的体验凝练成了编程中的价值观、原则和77种实现模式。沟通、简单和灵活的价值观应当被所有开发人员所铭记,无时或忘。局部影响、最小化重复、将逻辑与数据捆绑等原则同样是通用性的指导思想,比价值观更贴近编程场景,在价值观和模式之间搭建了桥梁。在77个实现模式中,每一个模式都覆盖了编写简洁、清晰、易扩展、易维护的代码这一原则的某个方面。它们为日常的编程提供了丰富翔实的参考依据,并告诉大家这些代码如何为降低沟通成本和提高有效产出提供保障。..《实现模式》(英文版)适用于各个阶段的开发者群体,刚刚涉足软件开发领域的新人能够透过大师的眼睛来看待编程,了解编程的价值观与原则;而具有丰富经验的资深工程师则可以通过这些模式进行反思,探究成功实践背后的意义。把价值观、原则和开发实践结合之后,日常开发工作便会以崭新迷人的形式呈现在我们面前。

图书目录

Chapter 1: Introduction 1

 Tour Guide 3

 And Now 4

Chapter 2: Patterns 5

Chapter 3: A Theory of Programming 9

 Values 10

  Communication 10

  Simplicity 11

  Flexibility 12

 Principles 13

  Local Consequences 13

  Minimize Repetition 14

  Logic and Data Together 14

  Symmetry 15

  Declarative Expression 16

  Rate of Change 17

 Conclusion 18

Chapter 4: Motivation 19

Chapter 5: Class 21

 Class 22

 Simple Superclass Name 23

 Qualified Subclass Name 24

 Abstract Interface 24

 Interface 26

 Abstract Class 26

 Versioned Interface 27

 Value Object 28

 Specialization 31

 Subclass 32

 Implementor 34

 Inner Class 34

 Instance-Specific Behavior 36

 Conditional 36

 Delegation 38

 Pluggable Selector 40

 Anonymous Inner Class 41

 Library Class 41

 Conclusion 42

Chapter 6: State 43

 State 44

 Access 45

 Direct Access 46

 Indirect Access 47

 Common State 47

 Variable State 48

 Extrinsic State 50

 Variable 50

 Local Variable 51

 Field 52

 Parameter 53

 Collecting Parameter 55

 Optional Parameter 56

 Var Args 56

 Parameter Object 57

 Constant 58

 Role-Suggesting Name 58

 Declared Type 60

 Initialization 61

 Eager Initialization 61

 Lazy Initialization 62

 Conclusion 62

Chapter 7: Behavior 63

 Control Flow 64

 Main Flow 64

 Message 65

 Choosing Message 65

 Double Dispatch 66

 Decomposing (Sequencing) Message 67

 Reversing Message 67

 Inviting Message 68

 Explaining Message 69

 Exceptional Flow 70

 Guard Clause 70

 Exception 72

 Checked Exceptions 72

 Exception Propagation 73

 Conclusion 73

Chapter 8: Methods 75

 Composed Method 77

 Intention-Revealing Name 79

 Method Visibility 80

 Method Object 82

 Overridden Method 83

 Overloaded Method 83

 Method Return Type 84

 Method Comment 85

 Helper Method 85

 Debug Print Method 86

 Conversion 87

 Conversion Method 87

 Conversion Constructor 88

 Creation 88

 Complete Constructor 89

 Factory Method 90

 Internal Factory 91

 Collection Accessor Method 91

 Boolean Setting Method 93

 Query Method 93

 Equality Method 94

 Getting Method 95

 Setting Method 96

 Safe Copy 97

 Conclusion 98

Chapter 9: Collections 99

 Metaphors 100

 Issues 101

 Interfaces 103

  Array 103

  Iterable 104

  Collection 104

  List 104

  Set 105

  SortedSet 105

  Map 106

 Implementations 107

  Collection 108

  List 108

  Set 108

  Map 109

 Collections 110

  Searching 111

  Sorting 112

  Unmodifiable Collections 113

  Single-Element Collections 114

  Empty Collections 114

 Extending Collections 114

 Conclusion 115

Chapter 10: Evolving Frameworks 117

 Changing Frameworks without Changing Applications117

 Incompatible Upgrades 118

 Encouraging Compatible Change 120

  Library Class 121

  Objects 121

 Conclusion 129

Appendix A: Performance Measurement 131

 Example 131

 API 132

 Implementation 133

 MethodTimer 134

 Canceling Overhead 136

 Tests 136

  Comparing Collections 137

  Comparing ArrayList and LinkedList 139

  Comparing Sets 140

  Comparing Maps 141

 Conclusion 142

Bibliography 145

 General Programming 145

 Philosophy 147

 Java 148

Index 149