Cpp Programming

Question: Which constructor function is designed to copy objects of the same class type?
[A].
Create constructor
[B].

Object constructor
[C].

Dynamic constructor
[D].

Copy constructor 

Answer: Option D

Explanation:

No answer description available for this question.

Question: For automatic objects, constructors and destructors are called each time the objects
[A].
enter and leave scope
[B].

inherit parent class
[C].

are constructed
[D].

are destroyed 

Answer: Option A

Explanation:

No answer description available for this question.

Question: Destructors __________ for automatic objects if the program terminates with a call to function exit or function abort.
[A].
are called
[B].

are inherited
[C].

are not called
[D].

are created 

Answer: Option C

Explanation:

No answer description available for this question.

Question: Which of the following statement is correct about the program given below?

[A].
The program will print the output Short .
[B].

The program will print the output Int .
[C].

The program will print the output Float .
[D].

The program will print the output Final . 

Answer: Option B

Explanation:

No answer description available for this question.

Question: Which of the following statement is correct about the program given below?

[A].
The program will print the output Short .
[B].

The program will print the output Int .
[C].

The program will print the output Char .
[D].

The program will print the output Final . 

Answer: Option C

Explanation:

No answer description available for this question.

Question: Destructor calls are made in which order of the corresponding constructor calls?
[A].
Reverse order
[B].

Forward order
[C].

Depends on how the object is constructed
[D].

Depends on how many objects are constructed 

Answer: Option A

Explanation:

No answer description available for this question.

Question: Which of the following statements are correct?
[A].
Constructor is always called explicitly.
[B].

Constructor is called either implicitly or explicitly, whereas destructor is always called implicitly.
[C].

Destructor is always called explicitly.
[D].

Constructor and destructor functions are not called at all as they are always inline. 

Answer: Option B

Explanation:

No answer description available for this question.

Question: Which of the following implicitly creates a default constructor when the programmer does not explicitly define at least one constructor for a class?
[A].
Preprocessor
[B].

Linker
[C].

Loader
[D].

Compiler 

Answer: Option D

Explanation:

No answer description available for this question.

Question: If the programmer does not explicitly provide a destructor, then which of the following creates an empty destructor?
[A].
Preprocessor
[B].

Compiler
[C].

Linker
[D].

main() function 

Answer: Option B

Explanation:

No answer description available for this question.

Question: A class’s __________ is called when an object is destroyed.
[A].
constructor
[B].

destructor
[C].

assignment function
[D].

copy constructor 

Answer: Option B

Explanation:

No answer description available for this question.