Welcome to the Overloading MCQs Page

Dive deep into the fascinating world of Overloading with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Overloading, a crucial aspect of Object Oriented Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Overloading, 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 Overloading. 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 Overloading. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Overloading MCQs | Page 5 of 6

Explore more Topics under Object Oriented Programming

01

OOPs Concept and Features

02

Objects and Classes in OOPs

03

Constructors and Destructors

04

Access Specifiers

05

Class Members

06

Member Functions

07

Inheritance and its Types

08

Exception Handling

09

Objects and Pointers

10

Memory Allocation and Variable Scope

11

Inbuilt Classes

Q41.

When are the pointer types known for upcasting the objects?

Compile time

Runtime

Source code build time

Doesn’t apply to pointer types

Discuss

Answer: (a).Compile time

Q42.

When are the object type known for upcasting the objects?

Compile time

Runtime

Source code build time

Doesn’t apply to objects directly

Discuss

Answer: (b).Runtime

Q43.

If two classes are defined “Parent” and “Child” then which is the correct type upcast syntax in C++?

Parent *p=child;

Parent *p=*child;

Parent *p=&child;

Parent *p=Child();

Discuss

Answer: (c).Parent *p=&child;

Q44.

What is downcasting?

Casting subtype to supertype

Casting supertype to subtype

Casting subtype to supertype and vice versa

Casting anytype to any other type

Discuss

Answer: (b).Casting supertype to subtype

Q45.

Which among the following is a mandatory condition for downcasting?

It must not be done explicitly

It must be done implicitly

It must be done explicitly

It can’t be done explicitly

Discuss

Answer: (c).It must be done explicitly

Q46.

Downcasting is _______________________

Always safe

Never safe

Safe sometimes

Safe, depending on code

Discuss

Answer: (b).Never safe

Q47.

Downcasting ____________________

Can result in unexpected results

Can’t result in unexpected result

Can result only in out of memory error

Can’t result in any error

Discuss

Answer: (a).Can result in unexpected results

Q48.

What should be used for safe downcast?

Static cast

Dynamic cast

Manual cast

Implicit cast

Discuss

Answer: (b).Dynamic cast

Q49.

What does dynamic_cast return after successful type casting?

Address of object which is converted

Address of object that is used for conversion

Address of object that is mentioned in the syntax

Doesn’t return any address

Discuss

Answer: (a).Address of object which is converted

Q50.

If dynamic_cast fails, which value is returned?

void

null

void pointer

null pointer

Discuss

Answer: (d).null pointer

Page 5 of 6

Welcome to the Overloading MCQs Page

Overloading MCQs | Page 5 of 6

Explore more Topics under Object Oriented Programming

OOPs Concept and Features

Objects and Classes in OOPs

Constructors and Destructors

Access Specifiers

Class Members

Member Functions

Inheritance and its Types

Exception Handling

Objects and Pointers

Memory Allocation and Variable Scope

Inbuilt Classes

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