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Welcome to the Objects and Pointers MCQs Page

Dive deep into the fascinating world of Objects and Pointers with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Objects and Pointers, 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 Pointers, 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 Pointers. 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 Pointers. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Objects and Pointers MCQs | Page 2 of 8

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Q11.
If the object is not to be passed to any function but the values of the object have to be used then:

a.

The data members should be passed separately

b.

The data members and member functions have to be passed separately

c.

The values should be present in other variables

d.

The object must be passed

Discuss
Answer: (a).The data members should be passed separately
Q12.
What will be the output if all necessary code is included (Header files and main function)? 
void test (Object &y)
{
    y = "It is a string";
}
void main()
{
 Object x = null;
 test (x);
 System.out.println (x);
}

a.

Run time error

b.

Compile time error

c.

Null

d.

It is a string

Discuss
Answer: (d).It is a string
Q13.
In which type is new memory location will be allocated?

a.

Only in pass by reference

b.

Only in pass by value

c.

Both in pass by reference and value

d.

Depends on the code

Discuss
Answer: (b).Only in pass by value
Q14.
Pass by reference and pass by value can’t be done simultaneously in a single function argument list.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (b).False
Q15.
In which of the following way(s) can the object be returned from a function?

a.

Can only be returned by value

b.

Can only be returned by reference

c.

Can be returned either by value or reference

d.

Can neither be returned by value nor by reference

Discuss
Answer: (c).Can be returned either by value or reference
Q16.
Whenever an object is returned by value ____________________

a.

A temporary object is created

b.

Temporary object is not created

c.

Temporary object may or may not be created

d.

New permanent object is created

Discuss
Answer: (a).A temporary object is created
Q17.
Where the temporary objects (created while return by value) are created?

a.

Outside the function scope

b.

Within the function

c.

Inside the main function

d.

Inside the calling function

Discuss
Answer: (b).Within the function
Q18.
Which is the correct syntax for returning an object by value?

a.

void functionName ( ){ }

b.

object functionName( ) { }

c.

class object functionName( ) { }

d.

ClassName functionName ( ){ }

Discuss
Answer: (d).ClassName functionName ( ){ }
Q19.
Which is the correct syntax for defining a function which passes an object by reference?

a.

className& functionName ( )

b.

className* functionName( )

c.

className-> functionName( )

d.

&className functionName()

Discuss
Answer: (a).className& functionName ( )
Q20.
If an object is declared inside the function then ____________________ outside the function

a.

It can be returned by reference

b.

It can’t be returned by reference

c.

It can be returned by address

d.

It can’t be returned at all

Discuss
Answer: (b).It can’t be returned by reference
Page 2 of 8

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