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This book introduces the Object-Oriented Programming paradigm in a practical, easy-to-grasp way. It’s not just about definitions, it’s about building the mindset to think in OOP, so the concepts truly stay with you.
My goal is to teach OOP from the ground up. I want you to feel as though you are discovering OOP yourself, step by step. I believe OOP should be taught this way, because true understanding comes when you see not just how it works but also why. With this foundation, you’ll be able to make better decisions about which techniques to apply in different situations. It also makes advanced topics, like design patterns, far easier to grasp. Even if you are already a professional programmer, you’ll find parts of this book that challenge your assumptions and deepen your understanding.
A second goal of this book is to clear away the misinformation that surrounds OOP. Over the years, important concepts have often been explained poorly or even taught incorrectly, which has made learning OOP more difficult than it needs to be. I aim to provide you with a clear, practical path to understanding OOP the way it was meant to be understood.
- Chapter 1: Preface
- Chapter 1: Objects: United Data and Operations
- Chapter 2: Class: A Factory for Objects
- Chapter 3: Encapsulation: Hidden from the Outside World
- Chapter 4: Abstraction: A Simplified View
- Chapter 5: Inheritance: Code Reusability
- Chapter 6: Polymorphism: Reusing Interfaces
- Chapter 7: Composition: Objects Made of Objects
Contributions are welcome! If you’d like to improve code snippets, clarify explanations, or enhance the content in any way, please submit a pull request (PR).
If you’re unsure about a change or think a word or phrase might be confusing, open an issue to discuss it before submitting a PR.
Before opening a new issue or PR, please search through existing issues (both open and closed) to see if your question, concern, or suggestion has already been addressed.
