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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 6 of 15

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Q51.
If constructor arguments are passed to objects of array then ____________ if the constructors are overloaded.

a.

It is mandatory to pass same number of arguments to all the objects

b.

It is mandatory to pass same type of arguments to all the objects

c.

It is not mandatory to call same constructor for all the objects

d.

It is mandatory to call same constructor for all the constructors

Discuss
Answer: (c).It is not mandatory to call same constructor for all the objects
Q52.
How the objects of array can be denoted?

a.

Indices

b.

Name

c.

Random numbers

d.

Alphabets

Discuss
Answer: (a).Indices
Q53.
The objects in an object array _______________________

a.

Can be created without use of constructor

b.

Can be created without calling default constructor

c.

Can’t be created with use of constructor

d.

Can’t be created without calling default constructor

Discuss
Answer: (b).Can be created without calling default constructor
Q54.
The Object array is created in _____________________

a.

Heap memory

b.

Stack memory

c.

HDD

d.

ROM

Discuss
Answer: (a).Heap memory
Q55.
If an array of objects is of size 10 and a data value have to be retrieved from 5th object then ________________ syntax should be used.

a.

Array_Name[4].data_variable_name;

b.

Data_Type Array_Name[4].data_variable_name;

c.

Array_Name[4].data_variable_name.value;

d.

Array_Name[4].data_variable_name(value);

Discuss
Answer: (a).Array_Name[4].data_variable_name;
Q56.
Can we have two dimensional object array?

a.

Yes, always

b.

Yes, only if primitive type array

c.

No, since two indices are impossible

d.

No, never

Discuss
Answer: (a).Yes, always
Q57.
From which index does the array of objects start?

a.

0

b.

1

c.

2

d.

3

Discuss
Answer: (a).0
Q58.
Two dimensional array can’t be initialized with the declaration.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (b).False
Q59.
Is an array of characters always a string?

a.

Yes, always

b.

Yes, if each character is terminated by null

c.

No, since each character is terminated by null

d.

No, never

Discuss
Answer: (d).No, never
Q60.
Which among the following is main use of object?

a.

To create instance of a function

b.

To create instance of a program

c.

To create instance of class

d.

To create instance of structures

Discuss
Answer: (c).To create instance of class
Page 6 of 15

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