Vidyalelo
Ruby Programming · all questions

Inheritance and Polymorphism in Ruby
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

34

Questions

2/2

Page

Pick an option on a question to see the right answer and solution.

What is the purpose of the self keyword in Ruby?

Select an option to see the answer and solution.

What is the significance of the attr_writer method in Ruby classes?

Select an option to see the answer and solution.

What does the term "inheritance" mean in Object-Oriented Programming?

Select an option to see the answer and solution.

Which concept in Object-Oriented Programming allows objects of different classes to be treated as objects of a common superclass?

Select an option to see the answer and solution.

What is the primary purpose of a constructor in a Ruby class?

Select an option to see the answer and solution.

In Ruby, which keyword is used to define a private method?

Select an option to see the answer and solution.

What is the main advantage of using encapsulation in Object-Oriented Programming?

Select an option to see the answer and solution.

What does the term "polymorphism" refer to in Object-Oriented Programming?

Select an option to see the answer and solution.

What is the purpose of the extend keyword in Ruby?

Select an option to see the answer and solution.

What is the main purpose of using abstraction in Object-Oriented Programming?

Select an option to see the answer and solution.

What is the significance of using the super keyword in a Ruby class?

Select an option to see the answer and solution.

Which of the following statements best describes the purpose of the attr_accessor method in Ruby classes?

Select an option to see the answer and solution.

What is the main advantage of using Object-Oriented Programming (OOP) principles?

Select an option to see the answer and solution.

What does the term "abstraction" mean in Object-Oriented Programming?

Select an option to see the answer and solution.