Welcome to the Classes and Operator Overloading in C++ MCQs Page

Dive deep into the fascinating world of Classes and Operator Overloading in C++ with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Classes and Operator Overloading in C++, a crucial aspect of Object Oriented Programming Using C++. In this section, you will encounter a diverse range of MCQs that cover various aspects of Classes and Operator Overloading in C++, 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 Object Oriented Programming Using C++.

Check out the MCQs below to embark on an enriching journey through Classes and Operator Overloading in C++. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Object Oriented Programming Using C++.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Classes and Operator Overloading in C++. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Classes and Operator Overloading in C++ MCQs | Page 26 of 39

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Q251.

When are the Global objects destroyed?

When the control comes out of the block in which they are being used.

When the program terminates.

When the control comes out of the function in which they are being used.

As soon as local objects die.

Discuss

Answer: (b).When the program terminates.

Q252.

Copy constructor must receive its arguments by __________ .

either pass-by-value or pass-by-reference

only pass-by-value

only pass-by-reference

only pass by address

Discuss

Answer: (c).only pass-by-reference

Q253.

A function with the same name as the class, but preceded with a tilde character (~) is called __________ of that class.

constructor

destructor

function

object

Discuss

Answer: (b).destructor

Q254.

A union that has no constructor can be initialized with another union of __________ type.

different

same

virtual

class

Discuss

Answer: (b).same

Q255.

Which of the following gets called when an object goes out of scope?

constructor

destructor

main

virtual function

Discuss

Answer: (b).destructor

Q256.

Which of the following statement is correct?

Destructor destroys only integer data members of the object.

Destructor destroys only float data members of the object.

Destructor destroys only pointer data members of the object.

Destructor destroys the complete object.

Discuss

Answer: (d).Destructor destroys the complete object.

Q257.

__________ used to make a copy of one class object from another class object of the same class type.

constructor

copy constructor

destructor

default constructor

Discuss

Answer: (b).copy constructor

Q258.

Constructors __________ to allow different approaches of object construction.

cannot overloaded

can be overloaded

can be called

can be nested

Discuss

Answer: (b).can be overloaded

Q259.

Which of the following statement is correct?

A destructor has the same name as the class in which it is present.

A destructor has a different name than the class in which it is present.

A destructor always returns an integer.

A destructor can be overloaded.

Discuss

Answer: (a).A destructor has the same name as the class in which it is present.

Q260.

Which of the following cannot be declared as virtual?

Constructor

Destructor

Data Members

Both A and C

Discuss

Answer: (d).Both A and C

Page 26 of 39

Welcome to the Classes and Operator Overloading in C++ MCQs Page

Classes and Operator Overloading in C++ MCQs | Page 26 of 39

Explore more Topics under Object Oriented Programming Using C++

Basics of C++ Programming

Data Types in C++

Pointers,Arrays and Structures in C++

Functions in C++

Namespaces and Exceptions in C++

Derived Classes,Templates and Exception Handling in C++

Class Hierarchies,Library and Containers

Objects and Iterators in C++

Strings,Streams and Numerics in C++

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