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.

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 8 of 26

Explore more Topics under Data Structures and Algorithms

01

Data Structures Basics

02

Data Types and Abstraction

03

Algorithm Complexity

04

Arrays and Pointers

05

Linked Lists

06

Stacks and Queues

07

Recursion

08

Trees

09

Graphs

10

String Operations

11

Sorting and Searching

12

Dynamic Programming

Q71.

How many constructors can a class have?

any number

Discuss

Answer: (d).any number

Q72.

The new operator

returns a pointer to the variable

creates a variable called new

obtains memory for a new variable

tells how much memory is available

Discuss

Answer: (c).obtains memory for a new variable

Q73.

Consider the following statements:
int x = 22,y=15;
x = (x>y) ? (x+y) : (x-y);
What will be the value of x after executing these statements?

Error. Cannot be executed

Discuss

Answer: (b).37

Q74.

An exception is caused by

a hardware problem

a problem in the operating system

a syntax error

a run-time error

Discuss

Answer: (d).a run-time error

Q75.

A template class

is designed to be stored in different containers

works with different data types

generates objects which must be identical

generates classes with different numbers of member functions

Discuss

Answer: (b).works with different data types

Q76.

Which of the following is the valid class declaration header for the derived class d with base classes b1 and b2?

class d : public b1, public b2

class d : class b1, class b2

class d : public b1, b2

class d : b1, b2

Discuss

Answer: (a).class d : public b1, public b2

Q77.

A library function exit() causes an exit from

the loop in which it occurs

the block in which it occurs

the function in which it occurs

the program in which it occurs

Discuss

Answer: (d).the program in which it occurs

Q78.

RunTime polymorphism is achieved by ___________

friend function

virtual function

operator overloading

function overloading

Discuss

Answer: (b).virtual function

Q79.

An array element is accessed using

a FIFO approach

an index number

the operator

a member name

Discuss

Answer: (b).an index number

Q80.

If there is a pointer p to object of a base class and it contains the address of an object of a derived class and both classes contain a virtual member function abc(), then the statement p->abc(); will cause the version of abc() in the __________class to be executed.

Base Class

Derived class

Produces compile time error

produces runtime error

Discuss

Answer: (b).Derived class

Page 8 of 26

Welcome to the Object Oriented Programming MCQs Page

Object Oriented Programming MCQs | Page 8 of 26

Explore more Topics under Data Structures and Algorithms

Data Structures Basics

Data Types and Abstraction

Algorithm Complexity

Arrays and Pointers

Linked Lists

Stacks and Queues

Recursion

Trees

Graphs

String Operations

Sorting and Searching

Dynamic Programming

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Human Computer Interaction

Computer Architecture

Hadoop

Data Structures and Algorithms

Management Information Systems

Digital Communication

Microprocessor

Data Science

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