Polymorphism in C# Quiz

What is the main topic of this tutorial series part?

• Encapsulation

• Polymorphism

• Abstraction

• Inheritance

What does 'poly' in polymorphism mean?

• Few

• None

• Many

• Single

In object-oriented programming, what does polymorphism allow?

• A class to have multiple constructors

• A class to take many forms

• A class to have multiple destructors

• A class to have multiple interfaces

Which of the following is an example of polymorphism?

• A class with multiple properties

• A class with a method that can be overridden

• A class inheriting from another class

• A class with multiple methods

What keyword is used to allow a method to be overridden in a derived class?

• sealed

• final

• virtual

• static

Which modifier is used to change the implementation of a method in a derived class?

• sealed

• new

• override

• abstract

What is required for a method to be overridden in a derived class?

• The method must be private

• The method must be marked as virtual or abstract

• The method must be static

• The method must be sealed

What is the purpose of the 'override' keyword?

• To hide a method in the base class

• To provide a new implementation for a method in a derived class

• To make a method static

• To prevent a method from being overridden

Which of the following is NOT a type of method modifier discussed?

• override

• virtual

• abstract

• sealed

What is the significance of polymorphism in OOP?

• It allows for data hiding

• It restricts access to class members

• It simplifies code maintenance

• It enables a class to take on multiple forms