Object Oriented Programming in C++ MCQ question and answer with solution

1.
Which keyword is used to define a class in C++?

A. class

B. struct

C. typedef

D. interface

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2.
What is the process of creating an instance of a class called in C++?

A. Encapsulation

B. Polymorphism

C. Inheritance

D. Instantiation

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3.
What is inheritance in C++?

A. The process of creating multiple instances of a class

B. The process of hiding the implementation details of a class

C. The process of deriving a new class from an existing class

D. The process of defining functions within a class

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4.
What is the access specifier that allows members to be accessed from outside the class in C++?

A. protected

B. public

C. friend

D. None of the above

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5.
Which concept in C++ allows a class to have multiple functions with the same name but different parameter lists?

A. Polymorphism

B. Encapsulation

C. Overloading

D. Inheritance

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6.
What is encapsulation in C++?

A. The process of creating multiple instances of a class

B. The process of hiding the implementation details of a class

C. The process of defining functions within a class

D. The bundling of data with the methods that operate on that data

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7.
Which keyword is used to inherit a class in C++?

A. public

B. private

C. protected

D. extends

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8.
What is polymorphism in C++?

A. The ability of a function to perform different tasks based on the object that it is acting upon

B. The process of creating multiple instances of a class

C. The process of hiding the implementation details of a class

D. The process of defining functions within a class

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9.
Which of the following is true about constructors in C++?

A. They can be overloaded

B. They are used to destroy objects

C. They are called explicitly by the programmer

D. They are automatically called when an object is created

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10.
What is the process of wrapping data and functions into a single unit called in C++?

A. Inheritance

B. Polymorphism

C. Encapsulation

D. Abstraction

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Object Oriented Programming in C++ MCQ question and answer with solution | C++ Programimg MCQs

1. Which keyword is used to define a class in C++?

Answer & Solution

2. What is the process of creating an instance of a class called in C++?

Answer & Solution

3. What is inheritance in C++?

Answer & Solution

4. What is the access specifier that allows members to be accessed from outside the class in C++?

Answer & Solution

5. Which concept in C++ allows a class to have multiple functions with the same name but different parameter lists?

Answer & Solution

6. What is encapsulation in C++?

Answer & Solution

7. Which keyword is used to inherit a class in C++?

Answer & Solution

8. What is polymorphism in C++?

Answer & Solution

9. Which of the following is true about constructors in C++?

Answer & Solution

10. What is the process of wrapping data and functions into a single unit called in C++?

Answer & Solution

1.
Which keyword is used to define a class in C++?

2.
What is the process of creating an instance of a class called in C++?

3.
What is inheritance in C++?

4.
What is the access specifier that allows members to be accessed from outside the class in C++?

5.
Which concept in C++ allows a class to have multiple functions with the same name but different parameter lists?

6.
What is encapsulation in C++?

7.
Which keyword is used to inherit a class in C++?

8.
What is polymorphism in C++?

9.
Which of the following is true about constructors in C++?

10.
What is the process of wrapping data and functions into a single unit called in C++?