In this easy-to-follow guide, you’ll dive deep into the world of SOLID principles, the five cornerstones of object-oriented design. Through simple language, fun analogies, and real-world examples, this book makes even the most complex concepts approachable. Each principle is broken down with clear explanations, UML diagrams, and pseudo-code to help you visualize and understand how it all works. With interactive quizzes at the end of each section, you’ll be able to test your knowledge and reinforce what you’ve learned, making it a perfect resource for both beginners and experienced developers. Whether you're aiming to build robust, maintainable code or sharpen your design skills, this book is your friendly guide to mastering SOLID principles, one step at a time.

Key Topics Covered:

• Single Responsibility Principle

• Open/Closed Principle

• Liskov Substitution Principle

• Interface Segregation Principle

• Dependency Inversion Principle

• Interactive quizzes to reinforce learning