Answers to Quiz 2
Understanding object-oriented programming is easy. 
Explanation: Object-oriented programming is a very advanced concept and is often misunderstood by experienced programmers. Despite what some may say, understanding OOP isn’t easy. Remember this when you’re frustrated.
1. Why is inheritance the cornerstone of OOP?
Inheritance enables polymorphism, which is the main reason object-oriented languages exist.
2. Consider the following figure:
If class B inherits class A, which already imported the definition of class C, why ...
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