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C++ Programming
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Constructors and Destructors
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Question
Which of the following statement is correct about destructors?
Options
A. A destructor has void return type.
B. A destructor has integer return type.
C. A destructor has no return type.
D. A destructors return type is always same as that of main().
Correct Answer
A destructor has no return type.
Constructors and Destructors problems
Search Results
1. Which of the following statements are correct?
Options
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.
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Correct Answer: Constructor is called either implicitly or explicitly, whereas destructor is always called implicitly.
2. Can a class have virtual destructor?
Options
A. Yes
B. No
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Correct Answer: Yes
3. Which of the following statement is correct?
Options
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.
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Correct Answer: Destructor destroys the complete object.
4. Which of the following statement is correct?
Options
A. A constructor has the same name as the class in which it is present.
B. A constructor has a different name than the class in which it is present.
C. A constructor always returns an integer.
D. A constructor cannot be overloaded.
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Correct Answer: A constructor has the same name as the class in which it is present.
5. Which of the following statement is correct?
Options
A. A destructor has the same name as the class in which it is present.
B. A destructor has a different name than the class in which it is present.
C. A destructor always returns an integer.
D. A destructor can be overloaded.
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Correct Answer: A destructor has the same name as the class in which it is present.
6. It is a __________ error to pass arguments to a destructor.
Options
A. logical
B. virtual
C. syntax
D. linker
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Correct Answer: syntax
7. Which of the following statement is correct?
Options
A. A constructor of a derived class can access any public and protected member of the base class.
B. Constructor cannot be inherited but the derived class can call them.
C. A constructor of a derived class cannot access any public and protected member of the base class.
D. Both A and B.
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Correct Answer: Both A and B.
8. Destructors __________ for automatic objects if the program terminates with a call to function exit or function abort.
Options
A. are called
B. are inherited
C. are not called
D. are created
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Correct Answer: are not called
9. A class's __________ is called when an object is destroyed.
Options
A. constructor
B. destructor
C. assignment function
D. copy constructor
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Correct Answer: destructor
10. Destructor calls are made in which order of the corresponding constructor calls?
Options
A. Reverse order
B. Forward order
C. Depends on how the object is constructed
D. Depends on how many objects are constructed
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Correct Answer: Reverse order
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More in C++ Programming:
Constructors and Destructors
Functions
Objects and Classes
OOPS Concepts
References