Cpp Programming

Question: Destructor has the same name as the constructor and it is preceded by ______ .
[A].
!
[B].

?
[C].

~
[D].

$ 

Answer: Option C

Explanation:

No answer description available for this question.

Question: When are the Global objects destroyed?
[A].
When the control comes out of the block in which they are being used.
[B].

When the program terminates.
[C].

When the control comes out of the function in which they are being used.
[D].

As soon as local objects die. 

Answer: Option B

Explanation:

No answer description available for this question.

Question: Which of the following statement is correct whenever an object goes out of scope?
[A].
The default constructor of the object is called.
[B].

The parameterized destructor is called.
[C].

The default destructor of the object is called.
[D].

None of the above. 

Answer: Option C

Explanation:

No answer description available for this question.

Question: How many times a constructor is called in the life-time of an object?
[A].
Only once
[B].

Twice
[C].

Thrice
[D].

Depends on the way of creation of object 

Answer: Option A

Explanation:

No answer description available for this question.

Question: Which of the following statement is incorrect?
[A].
Constructor is a member function of the class.
[B].

The compiler always provides a zero argument constructor.
[C].

It is necessary that a constructor in a class should always be public.
[D].

Both B and C. 

Answer: Option D

Explanation:

No answer description available for this question.

Question: What will be the out of the following program?

[A].
11 22 0 0
[B].

11 11 0 22
[C].

11 11 11 0
[D].

11 11 11 22 

Answer: Option D

Explanation:

No answer description available for this question.

Question: What will be the out of the following program?

[A].
11 22 0 0
[B].

11 0 0 22
[C].

11 0 22 0
[D].

11 22 11 22 

Answer: Option C

Explanation:

No answer description available for this question.

Question: What will be the out of the following program?

[A].
0
[B].

100
[C].

200
[D].

400 

Answer: Option C

Explanation:

No answer description available for this question.

Question: Which of the following statement is correct?
[A].
Destructor destroys only integer data members of the object.
[B].

Destructor destroys only float data members of the object.
[C].

Destructor destroys only pointer data members of the object.
[D].

Destructor destroys the complete object. 

Answer: Option D

Explanation:

No answer description available for this question.

Question: What will be the output of the following program?

[A].
6 6 4
[B].

6 6 5
[C].

5 40 38
[D].

6 40 38 

Answer: Option D

Explanation:

No answer description available for this question.