Welcome to the Constructors and Destructors MCQs Page

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

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

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

Constructors and Destructors MCQs | Page 5 of 9

Explore more Topics under Object Oriented Programming

01

OOPs Concept and Features

02

Objects and Classes in OOPs

03

Access Specifiers

04

Class Members

05

Member Functions

06

Inheritance and its Types

07

Exception Handling

08

Objects and Pointers

09

Memory Allocation and Variable Scope

10

Overloading

11

Inbuilt Classes

Q41.

The deep copy is possible only with the help of __________

Implicit copy constructor

User defined copy constructor

Parameterized constructor

Default constructor

Discuss

Answer: (b).User defined copy constructor

Q42.

Can a copy constructor be made private?

Yes, always

Yes, if no other constructor is defined

No, never

No, private members can’t be accessed

Discuss

Answer: (a).Yes, always

Q43.

The arguments to a copy constructor _____________

Must be const

Must not be cosnt

Must be integer type

Must be static

Discuss

Answer: (a).Must be const

Q44.

Copy constructors are overloaded constructors.

True

False

May be

Can't say

Discuss

Answer: (a).True

Q45.

Which among the following best describes constructor overloading?

Defining one constructor in each class of a program

Defining more than one constructor in single class

Defining more than one constructor in single class with different signature

Defining destructor with each constructor

Discuss

Answer: (c).Defining more than one constructor in single class with different signature

Q46.

Can constructors be overloaded in derived class?

Yes, always

Yes, if derived class has no constructor

No, programmer can’t do it

No, never

Discuss

Answer: (d).No, never

Q47.

Does constructor overloading include different return types for constructors to be overloaded?

Yes, if return types are different, signature becomes different

Yes, because return types can differentiate two functions

No, return type can’t differentiate two functions

No, constructors doesn’t have any return type

Discuss

Answer: (d).No, constructors doesn’t have any return type

Q48.

Which among the following is possible way to overload constructor?

Define default constructor, 1 parameter constructor and 2 parameter constructor

Define default constructor, zero argument constructor and 1 parameter constructor

Define default constructor, and 2 other parameterized constructors with same signature

Define 2 default constructors

Discuss

Answer: (a).Define default constructor, 1 parameter constructor and 2 parameter constructor

Q49.

Which constructor will be called from the object created in the code below?

class A
{ 
 int i;
 A()
 { 
  i=0; cout&lt;&lt;i; 
 }
 A(int x=0)
 { 
  i=x;  cout&lt;&lt;I;  
 }
};
A obj1;

Default constructor

Parameterized constructor

Compile time error

Run time error

Discuss

Answer: (c).Compile time error

Q50.

Which among the following is false for a constructor?

Constructors doesn’t have a return value

Constructors are always user defined

Constructors are overloaded with different signature

Constructors may or may not have any arguments being accepted

Discuss

Answer: (b).Constructors are always user defined

Page 5 of 9

Welcome to the Constructors and Destructors MCQs Page

Constructors and Destructors MCQs | Page 5 of 9

Explore more Topics under Object Oriented Programming

OOPs Concept and Features

Objects and Classes in OOPs

Access Specifiers

Class Members

Member Functions

Inheritance and its Types

Exception Handling

Objects and Pointers

Memory Allocation and Variable Scope

Overloading

Inbuilt Classes

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