FREE AMCAT OOP Concepts Questions and Answers

Question 1

Which OOP concept allows a class to have multiple methods with the same name but different parameters?

Accepted Answer

Polymorphism

Answer

Inheritance

Answer

Encapsulation

Answer

Abstraction

Question 2

The mechanism of bundling data (attributes) and methods that operate on the data into a single unit is known as:

Accepted Answer

Encapsulation

Answer

Inheritance

Answer

Polymorphism

Answer

Abstraction

Question 3

Which concept allows a new class to acquire the properties and behaviors of an existing class?

Accepted Answer

Inheritance

Answer

Composition

Answer

Abstraction

Answer

Polymorphism

Question 4

Hiding complex implementation details and showing only the essential features of an object is known as:

Accepted Answer

Abstraction

Answer

Encapsulation

Answer

Inheritance

Answer

Polymorphism

Question 5

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

Accepted Answer

To initialize the state of a new object.

Answer

To destroy an object.

Answer

To perform a complex calculation.

Answer

To copy an existing object.

Question 6

In the context of OOP, what does the 'is-a' relationship represent?

Accepted Answer

Inheritance

Answer

Composition

Answer

Aggregation

Answer

Association

Question 7

Which of the following is NOT a fundamental concept of Object-Oriented Programming?

Accepted Answer

Procedural Calling

Answer

Encapsulation

Answer

Inheritance

Answer

Polymorphism