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Learning Object-Oriented Programming

Learning Object-Oriented Programming

By : Gaston C. Hillar
3.3 (3)
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Learning Object-Oriented Programming

Learning Object-Oriented Programming

3.3 (3)
By: Gaston C. Hillar
Buy this Book

Overview of this book

If you're a Python, JavaScript, or C# developer and want to learn the basics of object-oriented programming with real-world examples, then this book is for you.
Table of Contents (10 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Objects Everywhere
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1. Objects Everywhere
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Recognizing objects from nouns
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Generating blueprints for objects
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Recognizing attributes/fields
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Recognizing actions from verbs – methods
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Organizing the blueprints – classes
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Object-oriented approaches in Python, JavaScript, and C#
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Summary
2
2. Classes and Instances
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2. Classes and Instances
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Understanding classes and instances
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Understanding constructors and destructors
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Declaring classes in Python
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Customizing constructors in Python
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Customizing destructors in Python
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Creating instances of classes in Python
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Declaring classes in C#
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Customizing constructors in C#
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Customizing destructors in C#
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Creating instances of classes in C#
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Understanding that functions are objects in JavaScript
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Working with constructor functions in JavaScript
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Creating instances in JavaScript
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Summary
3
3. Encapsulation of Data
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3. Encapsulation of Data
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Understanding the different members of a class
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Protecting and hiding data
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Working with properties
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Understanding the difference between mutability and immutability
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Encapsulating data in Python
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Encapsulating data in C#
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Encapsulating data in JavaScript
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Summary
4
4. Inheritance and Specialization
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4. Inheritance and Specialization
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Using classes to abstract behavior
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Understanding inheritance
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Understanding method overloading and overriding
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Understanding operator overloading
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Taking advantage of polymorphism
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Working with simple inheritance in Python
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Working with simple inheritance in C#
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Working with the prototype-based inheritance in JavaScript
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Summary
5
5. Interfaces, Multiple Inheritance, and Composition
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5. Interfaces, Multiple Inheritance, and Composition
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Understanding the requirement to work with multiple base classes
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Working with multiple inheritance in Python
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Interfaces and multiple inheritance in C#
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Working with composition in JavaScript
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Summary
6
6. Duck Typing and Generics
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6. Duck Typing and Generics
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Understanding parametric polymorphism and duck typing
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Working with duck typing in Python
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Working with generics in C#
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Working with duck typing in JavaScript
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Summary
7
7. Organization of Object-Oriented Code
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7. Organization of Object-Oriented Code
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Thinking about the best ways to organize code
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Organizing object-oriented code in Python
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Organizing object-oriented code in C#
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Organizing object-oriented code in JavaScript
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Summary
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8. Taking Full Advantage of Object-Oriented Programming
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8. Taking Full Advantage of Object-Oriented Programming
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Putting together all the pieces of the object-oriented puzzle
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Refactoring existing code in Python
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Refactoring existing code in C#
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Refactoring existing code in JavaScript
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Summary
9
Index
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Index

Understanding operator overloading

Some programming languages, such as C# and Python, allow you to redefine specific operators to work in a different way based on the classes in which we apply them. For example, we can use comparison operators—such as less than (<) and greater than (>)—to return the results of comparing the age value when they are applied to instances of Dog.

Tip

The redefinition of operators to work in a specific way when applied to instances of specific classes is known as operator overloading.

An operator that works in one way when applied to an instance of a class may work differently on instances of another class. We can also override the overloaded operators in subclasses. For example, we can make comparison operators work in a different way in a superclass and its subclasses.

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Tech Concepts
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Programming languages
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Learning Object-Oriented Programming
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