Object Oriented Programming MCQs with Answers
Practice important Object Oriented Programming MCQs with answers and explanations.
Multiple Choice Questions
Q51: When a class inherits from another class, it gains the __________ of that class.
- A: Attributes and Behavior
- B: Methods only
- C: State only
- D: All characteristics
View Answer
A
Q52: __________ is an advantage of inheritance that helps in reducing code duplication.
- A: Increased Complexity
- B: Code Reusability
- C: Additional Attributes
- D: Complex Relationships
View Answer
B
Q53: What is the main benefit of generalization in object-oriented models?
- A: Reusability
- B: Encapsulation
- C: Abstraction
- D: Polymorphism
View Answer
A
Q54: Generalization helps to reduce redundancy and simplify a solution by creating a _______.
- A: base class
- B: subclass
- C: derived class
- D: concrete class
View Answer
A
Q55: In object-oriented programming, which class type cannot be instantiated?
- A: Concrete class
- B: Abstract class
- C: Derived class
- D: Partial class
View Answer
B
Q56: Which of the following is NOT a characteristic of an abstract class?
- A: It can be instantiated
- B: It promotes reuse
- C: It represents a generalized concept
- D: It is at the top of class hierarchy
View Answer
A
Q57: In inheritance, a derived class _______ the characteristics of its base class.
- A: removes
- B: ignores
- C: overrides
- D: inherits
View Answer
D
Q58: Sub-typing ensures that the derived class is behaviorally _______ with the base class.
- A: compatible
- B: incompatible
- C: similar
- D: different
View Answer
A
Q59: Specialization in object-oriented programming is used to _______ the behavior of the base class.
- A: extend
- B: restrict
- C: ignore
- D: override
View Answer
B
Q60: Which of the following is an example of specialization?
- A: A class that adds new methods to an existing class
- B: A class that inherits from another class without modification
- C: A class that restricts certain attributes of a base class
- D: A class that merges two classes into one
View Answer
C