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Welcome to the Object Oriented Programming MCQs Page

Dive deep into the fascinating world of Object Oriented Programming with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Object Oriented Programming, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Object Oriented Programming, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Structures and Algorithms.

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Check out the MCQs below to embark on an enriching journey through Object Oriented Programming. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Structures and Algorithms.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Object Oriented Programming. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Object Oriented Programming MCQs | Page 2 of 26

Explore more Topics under Data Structures and Algorithms

Q11.
Which of the following concepts provides facility of using object of one class inside another class?

a.

Encapsulation

b.

Abstraction

c.

Composition

d.

Inheritance

Discuss
Answer: (c).Composition
Q12.
Which of the following is an abstract data type?

a.

int

b.

double

c.

string

d.

Class

Discuss
Answer: (d).Class
Q13.
Which of the following concepts means adding new components to a program as it runs?

a.

Data hiding

b.

Dynamic typing

c.

Dynamic binding

d.

Dynamic loading

Discuss
Answer: (d).Dynamic loading
Q14.
Which of the following statement is correct?

a.

A constructor is called at the time of declaration of an object.

b.

A constructor is called at the time of use of an object.

c.

A constructor is called at the time of declaration of a class.

d.

A constructor is called at the time of use of a class.

Discuss
Answer: (a).A constructor is called at the time of declaration of an object.
Q15.
Which of the following correctly describes overloading of functions?

a.

Virtual polymorphism

b.

Transient polymorphism

c.

Ad-hoc polymorphism

d.

Pseudo polymorphism

Discuss
Answer: (c).Ad-hoc polymorphism
Q16.
Which of the following is correct about function overloading?

a.

The types of arguments are different.

b.

The order of argument is different.

c.

The number of argument is same.

d.

Both A and B.

Discuss
Answer: (d).Both A and B.
Q17.
Which of the following is correct about class and structure?

a.

class can have member functions while structure cannot.

b.

class data members are public by default while that of structure are private.

c.

Pointer to structure or classes cannot be declared.

d.

class data members are private by default while that of structure are public by default.

Discuss
Answer: (d).class data members are private by default while that of structure are public by default.
Q18.
Which of the following concepts means wrapping up of data and functions together?

a.

Abstraction

b.

Encapsulation

c.

Inheritance

d.

Polymorphism

Discuss
Answer: (b).Encapsulation
Q19.
Which of the following concepts means waiting until runtime to determine which function to call?

a.

Data hiding

b.

Dynamic casting

c.

Dynamic binding

d.

Dynamic loading

Discuss
Answer: (c).Dynamic binding
Q20.
Which of the following functions are performed by a constructor?

a.

Construct a new class

b.

Construct a new object

c.

Construct a new function

d.

Initialize objects

Discuss
Answer: (d).Initialize objects
Page 2 of 26

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