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Implementation Patterns By Kent Beck

Implementation Patterns by Kent Beck

Condition - Very Good
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Implementation Patterns Summary

Implementation Patterns by Kent Beck

Programmers make hundreds of decisions a day. Occasionally they make large-scale decisions like those covered by Design Patterns. Far more frequently they make small-scale decisions--choosing names, organizing code logically, dividing programs into coherent parts. The cumulative effect of these hour-by-hour, minute-by-minute decisions is as significant as the effect of the design decisions in making code clear, flexible, and robust. This book is a catalog of the frequent decisions programmers make and the approaches to these decisions that result in code that communicates clearly. Programmers applying Implementation Patterns achieve code that is consistent, easy to read, and easy to modify. It sets out the bag of tricks common to excellent programmers in Java and similar languages. Implementation Patterns will appeal to programmers wishing to improve their individual practice, teams finding a common style, and language designers looking for abstractions to add to the next generation of programming languages. The days development teams are bigger, more spread out, and frequently forced to work with legacy applications. Now more than ever clear, communicative code is essential.

About Kent Beck

Kent Beck, one of the software industry's most creative and acclaimed leaders, consistently challenges software engineering dogma and promotes ideas like patterns, test-driven development, and Extreme Programming. Currently affiliated with Three Rivers Institute and Agitar Software, he is the author of many Addison-Wesley titles, including Test-Driven Development (2003) and, with Cynthia Andres, Extreme Programming Explained, Second Edition (2005).

Table of Contents

Preface xv Chapter 1: Introduction 1 Tour Guide 3 And Now... 4 Chapter 2: Patterns 5 Chapter 3: A Theory of Programming 9 Values 10 Principles 13 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 Implementations 107 Collections 110 Extending Collections 114 Conclusion 115 Chapter 10: Evolving Frameworks 117 Changing Frameworks without Changing Applications 117 Incompatible Upgrades 118 Encouraging Compatible Change 120 Conclusion 129 Appendix A: Performance Measurement 131 Example 131 API 132 Implementation 133 MethodTimer 134 Canceling Overhead 136 Tests 136 Conclusion 142 Bibliography 145 General Programming 145 Philosophy 147 Java 148 Index 149

Additional information

Implementation Patterns by Kent Beck
Used - Very Good
Pearson Education (US)
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This is a used book - there is no escaping the fact it has been read by someone else and it will show signs of wear and previous use. Overall we expect it to be in very good condition, but if you are not entirely satisfied please get in touch with us

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