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 28 of 39

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Q271.

Destructor calls are made in which order of the corresponding constructor calls?

Reverse order

Forward order

Depends on how the object is constructed

Depends on how many objects are constructed

Discuss

Answer: (a).Reverse order

Q272.

Which of the following never requires any arguments?

Member function

Friend function

Default constructor

const function

Discuss

Answer: (c).Default constructor

Q273.

A class's __________ is called when an object is destroyed.

constructor

destructor

assignment function

copy constructor

Discuss

Answer: (b).destructor

Q274.

Destructors __________ for automatic objects if the program terminates with a call to function exit or function abort.

are called

are inherited

are not called

are created

Discuss

Answer: (c).are not called

Q275.

Which of the following statement is correct?

A constructor of a derived class can access any public and protected member of the base class.

Constructor cannot be inherited but the derived class can call them.

A constructor of a derived class cannot access any public and protected member of the base class.

Both A and B.

Discuss

Answer: (d).Both A and B.

Q276.

Which of the following statements are correct?

Constructor is always called explicitly.

Constructor is called either implicitly or explicitly, whereas destructor is always called implicitly.

Destructor is always called explicitly.

Constructor and destructor functions are not called at all as they are always inline.

Discuss

Answer: (b).Constructor is called either implicitly or explicitly, whereas destructor is always called implicitly.

Q277.

How many times a constructor is called in the life-time of an object?

Only once

Twice

Thrice

Depends on the way of creation of object

Discuss

Answer: (a).Only once

Q278.

Which of the following gets called when an object is being created?

constructor

virtual function

destructor

main

Discuss

Answer: (a).constructor

Q279.

To ensure that every object in the array receives a destructor call, always delete memory allocated as an array with operator __________ .

destructor

delete

delete[]

kill[]

Discuss

Answer: (c).delete[]

Q280.

Which of the following statement is correct about constructors?

A constructor has a return type.

A constructor cannot contain a function call.

A constructor has no return type.

A constructor has a void return type.

Discuss

Answer: (c).A constructor has no return type.

Page 28 of 39

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

Classes and Operator Overloading in C++ MCQs | Page 28 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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