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Welcome to the Objects and Classes in OOPs MCQs Page

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

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Check out the MCQs below to embark on an enriching journey through Objects and Classes in OOPs. 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 Objects and Classes in OOPs. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Objects and Classes in OOPs MCQs | Page 5 of 15

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Q41.
The memory allocated for an object ____________________

a.

Can be only dynamic

b.

Can be only static

c.

Can be static or dynamic

d.

Can’t be done using dynamic functions

Discuss
Answer: (c).Can be static or dynamic
Q42.
If an object is declared in a user defined function __________________

a.

Its memory is allocated in stack

b.

Its memory is allocated in heap

c.

Its memory is allocated in HDD

d.

Its memory is allocated in cache

Discuss
Answer: (a).Its memory is allocated in stack
Q43.
In java, ____________________ takes care of managing memory for objects dynamically.

a.

Free collector

b.

Dust collector

c.

Memory manager

d.

Garbage collector

Discuss
Answer: (d).Garbage collector
Q44.
Which operator can be used to free the memory allocated for an object in C++?

a.

Free()

b.

delete

c.

Unallocate

d.

Collect

Discuss
Answer: (b).delete
Q45.
What is array of objects?

a.

An array of instances of class represented by single name

b.

An array of instances of class represented by more than one name

c.

An array of instances which have more than 2 instances

d.

An array of instances which have different types

Discuss
Answer: (a).An array of instances of class represented by single name
Q46.
Which among the following is a mandatory condition for array of objects?

a.

All the objects should be of different class

b.

All the objects should be of same program classes

c.

All the objects should be of same class

d.

All the objects should have different data

Discuss
Answer: (c).All the objects should be of same class
Q47.
What is the type of the elements of array of objects?

a.

Class

b.

Void

c.

String

d.

Null

Discuss
Answer: (a).Class
Q48.
If array of objects is declared as given below, which is the limitation on objects?

Class_name arrayName[size];

a.

The objects will have same values

b.

The objects will not be initialized individually

c.

The objects can never be initialized

d.

The objects will have same data

Discuss
Answer: (b).The objects will not be initialized individually
Q49.
Which is the condition that must be followed if the array of objects is declared without initialization, only with size of array?

a.

The class should have separate constructor for each object

b.

The class must have no constructors

c.

The class should not have any member function

d.

The class must have a default or zero argument constructor

Discuss
Answer: (d).The class must have a default or zero argument constructor
Q50.
When are the array of objects without any initialization useful?

a.

When object data is not required just after the declaration

b.

When initialization of object data is to be made by the compiler

c.

When object data doesn’t matter in the program

d.

When the object should contain garbage data

Discuss
Answer: (a).When object data is not required just after the declaration
Page 5 of 15

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