Swift Object-Oriented Programming Quiz

Take this quiz to test that you know how to write object-oriented Swift code.

1. 
What is the primary goal of object-oriented programming (OOP)?

2. 
What is an instance in Swift?

3. 
What does a class represent in Swift?

4. 
What is the purpose of data encapsulation in Swift?

5. 
How are properties declared in a Swift class?

6. 
What is the purpose of an instance method in Swift?

7. 
How is a type method different from an instance method?

8. 
How do you create an instance of a class in Swift?

9. 
How are class properties accessed in Swift?

10. 
What is a computed property in Swift?

11. 
How do you declare a computed property in Swift?

12. 
What is the main advantage of lazy stored properties in Swift?

13. 
In which scenario is it mandatory to use the self keyword in Swift?

14. 
What is a protocol in Swift?

15. 
What happens if a class adopts a protocol but doesn't meet all its requirements?

16. 
What is the main purpose of opaque return types in Swift?

17. 
How do you declare an opaque return type in Swift?

18. 
Why is using opaque return types beneficial for API developers?

19. 
What is the relationship between protocols and opaque return types in Swift?

20. 
How are initializer requirements enforced when a class conforms to a protocol?

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