Object Oriented Programming MCQs with Answers
Practice important Object Oriented Programming MCQs with answers and explanations.
Multiple Choice Questions
Q31: The actual implementation of an object's behavior is known as __________.
- A: Interface
- B: Implementation
- C: Encapsulation
- D: Data Structure
View Answer
B
Q32: The concept of __________ allows different objects to communicate by sending messages.
- A: Information Hiding
- B: Encapsulation
- C: Polymorphism
- D: Separation of Interface and Implementation
View Answer
C
Q33: An example of __________ is a phone that hides its internal data but provides functions to interact with it.
- A: Implementation
- B: Encapsulation
- C: Interface
- D: Abstraction
View Answer
B
Q34: The __________ principle allows a driver to use the standard interface of any car regardless of its internal details.
- A: Encapsulation
- B: Information Hiding
- C: Separation of Interface and Implementation
- D: Polymorphism
View Answer
C
Q35: In Object-Oriented Programming, __________ are used to send stimuli to objects to invoke their operations.
- A: Messages
- B: Attributes
- C: Methods
- D: States
View Answer
A
Q36: What principle involves focusing only on the relevant details of an object for a specific problem?
- A: Encapsulation
- B: Abstraction
- C: Inheritance
- D: Polymorphism
View Answer
B
Q37: In Object-Oriented Programming, what does a class represent?
- A: An instance of an object
- B: A general prototype or blueprint
- C: A specific object's state
- D: A method in a class
View Answer
B
Q38: Which of the following is an advantage of abstraction?
- A: It increases complexity
- B: It simplifies understanding and solving a problem
- C: It requires detailed implementation
- D: It combines multiple perspectives
View Answer
B
Q39: Inheritance allows a derived class to inherit characteristics from a ______ class.
- A: Base
- B: Child
- C: Subordinate
- D: Main
View Answer
A
Q40: Which of the following is an example of inheritance?
- A: A car inheriting features from a vehicle class
- B: A student class having attributes like roll number and CGPA
- C: A method within a class
- D: A class with a single attribute
View Answer
B