Meer over Matt Weisfeld

Matt Weisfeld

Object-Oriented Thought Process, The

Name: Object-Oriented Thought Process, The
Author: Matt Weisfeld

E-book Engels 2019 9780135182123

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Object-oriented programming (OOP) is the foundation of modern programming languages, including C++, Java, C#, Visual Basic .NET, Ruby, Objective-C, and Swift. Objects also form the basis for many web technologies such as JavaScript, Python, and PHP.

It is of vital importance to learn the fundamental concepts of object orientation before starting to use object-oriented development environments. OOP promotes good design practices, code portability, and reuse–but it requires a shift in thinking to be fully understood. Programmers new to OOP should resist the temptation to jump directly into a particular programming language or a modeling language, and instead first take the time to learn what author Matt Weisfeld calls “the object-oriented thought process.”

Written by a developer for developers who want to improve their understanding of object-oriented technologies, The Object-Oriented Thought Process provides a solutions-oriented approach to object-oriented programming. Readers will learn to understand the proper uses of inheritance and composition, the difference between aggregation and association, and the important distinction between interfaces and implementations.

While programming technologies have been changing and evolving over the years, object-oriented concepts remain a constant–no matter what the platform. This revised edition focuses on the OOP technologies that have survived the past 20 years and remain at its core, with new and expanded coverage of design patterns, avoiding dependencies, and the SOLID principles to help make software designs understandable, flexible, and maintainable.

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ISBN13:9780135182123

Taal:Engels

Bindwijze:e-book

Uitgever:Pearson Education

Serie:Developer's Library

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Introduction 1 Chapter 1 Introduction to Object-Oriented Concepts 5 The Fundamental Concepts 5 Objects and Legacy Systems 6 Procedural Versus OO Programming 7 Moving from Procedural to Object-Oriented Development 11     Procedural Programming 11     OO Programming 11 What Exactly Is an Object? 12     Object Data 12     Object Behaviors 13 What Exactly Is a Class? 16     Creating Objects 17     Attributes 18     Methods 19     Messages 19 Using Class Diagrams as a Visual Tool 19 Encapsulation and Data Hiding 20     Interfaces 20     Implementations 21     A Real-World Example of the Interface/Implementation Paradigm 21     A Model of the Interface/Implementation Paradigm 22 Inheritance 23     Superclasses and Subclasses 24     Abstraction 25     Is-a Relationships 26 Polymorphism 27 Composition 30     Abstraction 30     Has-a Relationships 31 Conclusion 31 Chapter 2 How to Think in Terms of Objects 33 Knowing the Difference Between the Interface and the Implementation 34     The Interface 36     The Implementation 36     An Interface/Implementation Example 36 Using Abstract Thinking When Designing Interfaces 41 Providing the Absolute Minimal User Interface Possible 42     Determining the Users 43     Object Behavior 44     Environmental Constraints 44     Identifying the Public Interfaces 44     Identifying the Implementation 45 Conclusion 46 References 46 Chapter 3 More Object-Oriented Concepts 47 Constructors 47     When Is a Constructor Called? 48     What’s Inside a Constructor? 48     The Default Constructor 48     Using Multiple Constructors 49     The Design of Constructors 53 Error Handling 54     Ignoring the Problem 54     Checking for Problems and Aborting the Application 54     Checking for Problems and Attempting to Recover 54     Throwing an Exception 55 The Importance of Scope 57     Local Attributes 58     Object Attributes 59     Class Attributes 61 Operator Overloading 62 Multiple Inheritance 63 Object Operations 63 Conclusion 65 References 65 Chapter 4 The Anatomy of a Class 67 The Name of the Class 67 Comments 69 Attributes 69 Constructors 71 Accessors 73 Public Interface Methods 75 Private Implementation Methods 76 Conclusion 76 References 76 Chapter 5 Class Design Guidelines 77 Modeling Real-World Systems 77 Identifying the Public Interfaces 78     The Minimum Public Interface 78     Hiding the Implementation 79 Designing Robust Constructors (and Perhaps Destructors) 80 Designing Error Handling into a Class 81     Documenting a Class and Using Comments 81     Building Objects with the Intent to Cooperate 82 Designing with Reuse in Mind 82 Designing with Extensibility in Mind 83     Making Names Descriptive 83     Abstracting Out Nonportable Code 84     Providing a Way to Copy and Compare Objects 84     Keeping the Scope as Small as Possible 84 Designing with Maintainability in Mind 86     Using Iteration in the Development Process 86     Testing the Interface 86 Using Object Persistence 88     Serializing and Marshaling Objects 89 Conclusion 90 References 90 Chapter 6 Designing with Objects 91 Design Guidelines 91     Performing the Proper Analysis 95     Developing a Statement of Work 95     Gathering the Requirements 95     Developing a System Prototype 96     Identifying the Classes 96     Determining the Responsibilities of Each Class 96     Determining How the Classes Collaborate with Each Other 96     Creating a Class Model to Describe the System 96     Prototyping the User Interface in Code 97 Object Wrappers 97     Structured Code 98     Wrapping Structured Code 99     Wrapping Nonportable Code 101     Wrapping Existing Classes 101 Conclusion 102 References 103 Chapter 7 Mastering Inheritance and Composition 105 Reusing Objects 105 Inheritance 106     Generalization and Specialization 109     Design Decisions 110 Composition 112     Representing Composition with UML 113 Why Encapsulation Is Fundamental to OO 115     How Inheritance Weakens Encapsulation 115     A Detailed Example of Polymorphism 117     Object Responsibility 118     Abstract Classes, Virtual Methods, and Protocols 121 Conclusion 123 References 123 Chapter 8 Frameworks and Reuse: Designing with Interfaces and Abstract Classes 125 Code: To Reuse or Not to Reuse? 125 What Is a Framework? 126 What Is a Contract? 128     Abstract Classes 128     Interfaces 131     Tying It All Together 133     The Compiler Proof 135     Making a Contract 136     System Plug-in Points 138 An E-Business Example 139     An E-Business Problem 139     The Non-Reuse Approach 139     An E-Business Solution 141     The UML Object Model 142 Conclusion 146 References 146 Chapter 9 Building Objects and Object-Oriented Design 147 Composition Relationships 148 Building in Phases 149 Types of Composition 151     Aggregations 151     Associations 152     Using Associations and Aggregations Together 153 Avoiding Dependencies 154 Cardinality 155     Multiple Object Associations 157     Optional Associations 158 Tying It All Together: An Example 159 Conclusion 160 References 160 Chapter 10 Design Patterns 161 Why Design Patterns? 162 Smalltalk’s Model/View/Controller 163 Types of Design Patterns 164     Creational Patterns 165     Structural Patterns 169     Behavioral Patterns 171 Antipatterns 173 Conclusion 174 References 174 Chapter 11 Avoiding Dependencies and Highly Coupled Classes 175 Composition versus Inheritance and Dependency Injection 177     1) Inheritance 177     2) Composition 179     Dependency Injection 182 Conclusion 185 References 185 Chapter 12 The SOLID Principles of Object-Oriented Design 187 The SOLID Principles of Object-Oriented Design 188     1) SRP: Single Responsibility Principle 188     2) OCP: Open/Close Principle 192     3) LSP: Liskov Substitution Principle 194     4) IPS: Interface Segregation Principle 197     5) DIP: Dependency Inversion Principle 198 Conclusion 204 References 204   9780135181966   TOC   3/12/2019

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