The delete operator __________________________

Can’t be defined for each class

Can’t be defined in a program explicitly

For objects that are not of class type ______________

Local delete operator is invoked

Global delete operator is invoked

Local delete operator is invoked

Global user defined function is invoked

Local function to delete object is called

The delete operator __________________

Invokes function defined by user to delete

Invokes function operator delete

Invokes function defined by user to delete

Invokes function defined in global scope to delete object

Which cases among the following produces the undefined result?

Undefined result is never produced

delete [] on an independent object

delete [] on an object and delete on object array

Undefined result is never produced

When delete operator is used ___________________ (If object has a destructor)

Object destructor is called after deallocation

Object destructor is called before deallocation

Object destructor can be called anytime during destruction

If delete is used to delete an object which was not allocated using new _______________

Then undefined variable error arises

Then out of memory error arises

Then unreachable code error arises

Then unpredictable errors may arise

Then undefined variable error arises

What is a delete operator?

Deallocates whole program memory

Deallocates only primitive data memory

Deallocates all the data reserved for a class

If an object is allocated using new operator ____________

It can‚Äö√Ñ√∂‚àö√ë‚àö¬•t be deleted using delete operator

It should be deleted using delete operator

It can‚Äö√Ñ√∂‚àö√ë‚àö¬•t be deleted using delete operator

It may or may not be deleted using delete operator

The delete operator is not applicable

19 + Mcqs in Delete Operator in Object Oriented Programming Page 1 McqOptions

1.	The delete operator __________________________
A.	Can be defined for each class
B.	Can’t be defined for each class
C.	Can be defined globally only
D.	Can’t be defined in a program explicitly
Answer» B. Can’t be defined for each class

Discussion

2.	For objects that are not of class type ______________
A.	Global delete operator is invoked
B.	Local delete operator is invoked
C.	Global user defined function is invoked
D.	Local function to delete object is called
Answer» B. Local delete operator is invoked

Discussion

3.	The delete operator __________________
A.	Invokes function operator delete
B.	Invokes function defined by user to delete
C.	Invokes function defined in global scope to delete object
D.	Doesn’t invoke any function
Answer» B. Invokes function defined by user to delete

Discussion

4.	Which cases among the following produces the undefined result?
A.	delete [] on an independent object
B.	delete on an object array
C.	delete [] on an object and delete on object array
D.	Undefined result is never produced
Answer» D. Undefined result is never produced

Discussion

5.	Which is the correct syntax to delete an array of objects?
A.	delete [] objectName;
B.	delete * objectName;
C.	objectName[] delete;
D.	delete objectName[];
Answer» B. delete * objectName;

Discussion

6.	Which is the correct syntax to delete a single object?
A.	delete *objectName;
B.	objectName delete;
C.	delete objectName;
D.	objectName *delete;
Answer» D. objectName *delete;

Discussion

7.	How many variants of delete operator are available?
A.	Only 1
B.	Only 2
C.	Only 3
D.	Only 4
Answer» C. Only 3

Discussion

8.	If delete is applied to an object whose l-value is modifiable, then _______________ after the object is deleted.
A.	Its value is defined as null
B.	Its value is defined as void
C.	Its value is defined as 0
D.	Its value is undefined
Answer» E.

Discussion

9.	When delete operator is used ___________________ (If object has a destructor)
A.	Object destructor is called after deallocation
B.	Object destructor is called before deallocation
C.	Object destructor is not used
D.	Object destructor can be called anytime during destruction
Answer» C. Object destructor is not used

Discussion

10.	If delete is used to delete an object which was not allocated using new _______________
A.	Then out of memory error arises
B.	Then unreachable code error arises
C.	Then unpredictable errors may arise
D.	Then undefined variable error arises
Answer» D. Then undefined variable error arises

Discussion

11.	Which type of value has resulted from the delete operator?
A.	void
B.	void pointer
C.	null pointer
D.	null
Answer» B. void pointer

Discussion

12.	Does delete return any value?
A.	Yes, positive value
B.	Yes, negative value
C.	Yes, zero value
D.	No
Answer» E.

Discussion

13.	What is a delete operator?
A.	Deallocates a block of memory
B.	Deallocates whole program memory
C.	Deallocates only primitive data memory
D.	Deallocates all the data reserved for a class
Answer» B. Deallocates whole program memory

Discussion

14.	HOW_MANY_VARIANTS_OF_DELETE_OPERATOR_ARE_AVAILABLE??$
A.	Only 1
B.	Only 2
C.	Only 3
D.	Only 4
Answer» C. Only 3

Discussion

15.	Which is the correct syntax to delete array of objects?$
A.	delete [] objectName;
B.	delete * objectName;
C.	objectName[] delete;
D.	delete objectName[];
Answer» B. delete * objectName;

Discussion

16.	Which is the correct syntax to delete a single object?$
A.	delete *objectName;
B.	objectName delete;
C.	delete objectName;
D.	objectName *delete;
Answer» D. objectName *delete;

Discussion

17.	If delete is applied to an object whose l-value is modifiable, then _______________ after the object is deleted?
A.	Its value is defined as null
B.	Its value is defined as void
C.	Its value is defined as 0
D.	Its value is undefined
Answer» E.

Discussion

18.	Delete operator _________________
A.	Can be used on pointers with null value
B.	Can be used on pointers with void value
C.	Can be used on pointer with value 0
D.	Can be used on pointer with any value
Answer» D. Can be used on pointer with any value

Discussion

19.	If an object is allocated using new operator ____________
A.	It should be deleted using delete operator
B.	It can‚Äö√Ñ√∂‚àö√ë‚àö¬•t be deleted using delete operator
C.	It may or may not be deleted using delete operator
D.	The delete operator is not applicable
Answer» B. It can‚Äö√Ñ√∂‚àö√ë‚àö¬•t be deleted using delete operator

Discussion

Explore topic-wise MCQs in Object Oriented Programming.

The delete operator __________________________

For objects that are not of class type ______________

The delete operator __________________

Which cases among the following produces the undefined result?

Which is the correct syntax to delete an array of objects?

Which is the correct syntax to delete a single object?

How many variants of delete operator are available?

If delete is applied to an object whose l-value is modifiable, then _______________ after the object is deleted.

When delete operator is used ___________________ (If object has a destructor)

If delete is used to delete an object which was not allocated using new _______________

Which type of value has resulted from the delete operator?

Does delete return any value?

What is a delete operator?

HOW_MANY_VARIANTS_OF_DELETE_OPERATOR_ARE_AVAILABLE??$

Which is the correct syntax to delete array of objects?$

Which is the correct syntax to delete a single object?$

If delete is applied to an object whose l-value is modifiable, then _______________ after the object is deleted?

Delete operator _________________

If an object is allocated using new operator ____________