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Object Oriented Programming (OOP) MCQs

What is the difference between an interface and an abstract class?

Interfaces can contain code or data. Abstract classes do not contain code or data. A class can inherit from more than one abstract class but can only implement one interface

Interfaces can contain code or data. Abstract classes do not contain code or data. A class can inherit from only one abstract class but can implement an unlimited number of interface

Abstract classes can contain code or data. Interface do not contain code or data. A class can inherit from only one abstract class but can implement an unlimited number of interfaces

Abstract classes can contain code or data. Interface do not contain code or data. A class can inherit from more than one abstract class but can only implement one interface

Answer

Correct Answer: Abstract classes can contain code or data. Interface do not contain code or data. A class can inherit from only one abstract class but can implement an unlimited number of interfaces

Explanation:

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