What is the purpose of abstraction in OOP?
A. To hide the complex implementation details and only show the necessary features
B. To expose all the implementation details
C. To restrict access to public methods
D. To define class methods
Answer: Option A
This Question Belongs to Ruby Programming >> Inheritance And Polymorphism In Ruby
What is encapsulation in object-oriented programming (OOP)?
A. Binding data and methods together
B. Inheriting from multiple classes
C. Exposing internal implementation details
D. Restricting access to public methods
What does inheritance allow in OOP?
A. A class to override instance methods
B. A class to access private methods
C. A class to be instantiated
D. A class to inherit properties and behaviors from another class
A. The ability to hide implementation details
B. The ability to restrict access to certain methods
C. The ability for objects of different classes to be treated as objects of a common superclass
D. The ability to create multiple instances
What is the purpose of the super keyword in Ruby OOP?
A. Returns the superclass
B. Calls the same method in the superclass
C. Initializes a superclass object
D. Returns the superclass
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