Are you interested in learning object-oriented programming but don't want to spend a fortune on courses? Look no further! We've compiled a list of the 5 best free object-oriented programming courses to help you kickstart your OOP journey.

1. Coursera: Coursera offers a wide range of free OOP courses from top universities like Stanford and MIT. You can learn the fundamentals of OOP and even earn a certification at the end of the course.

2. edX: With edX, you can enroll in free OOP courses from institutions such as Harvard and Microsoft. These courses cover topics like classes, objects, and inheritance, and provide hands-on coding projects to reinforce your learning.

3. Codecademy: Codecademy's free OOP courses are great for beginners. You'll learn how to create and manipulate objects, write reusable code, and understand the principles of OOP through interactive exercises and projects.

4. Khan Academy: Khan Academy offers free OOP tutorials for aspiring programmers. The courses cover essential OOP concepts such as abstraction, encapsulation, and polymorphism, and provide a solid foundation for further exploration.

5. Udemy: While Udemy is known for paid courses, they also offer free OOP courses that cover topics like inheritance, interfaces, and design patterns. These courses are a great option if you're looking for a more comprehensive understanding of OOP.

Whether you're a beginner or an experienced coder, these free OOP courses provide valuable resources to enhance your programming skills without breaking the bank. Take advantage of these online learning opportunities and master the art of object-oriented programming today!