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- Question
Which of the following gets called when an object goes out of scope?
Options- A. constructor
- B. destructor
- C. main
- D. virtual function
- Correct Answer
- destructor
- 1. To ensure that every object in the array receives a destructor call, always delete memory allocated as an array with operator __________ .
Options- A. destructor
- B. delete
- C. delete[]
- D. kill[]
- E. free[] Discuss
- 2. How many default constructors per class are possible?
Options- A. Only one
- B. Two
- C. Three
- D. Unlimited Discuss
- 3. Constructors __________ to allow different approaches of object construction.
Options- A. cannot overloaded
- B. can be overloaded
- C. can be called
- D. can be nested Discuss
- 4. Which of the following statement is correct about constructors?
Options- A. A constructor has a return type.
- B. A constructor cannot contain a function call.
- C. A constructor has no return type.
- D. A constructor has a void return type. Discuss
- 5. A __________ is a constructor that either has no parameters, or if it has parameters, all the parameters have default values.
Options- A. default constructor
- B. copy constructor
- C. Both A and B
- D. None of these Discuss
- 6. Which of the following cannot be declared as virtual?
Options- A. Constructor
- B. Destructor
- C. Data Members
- D. Both A and C Discuss
- 7. Which of the following are NOT provided by the compiler by default?
Options- A. Zero-argument Constructor
- B. Destructor
- C. Copy Constructor
- D. Copy Destructor Discuss
- 8. Destructor has the same name as the constructor and it is preceded by ______ .
Options- A. !
- B. ?
- C. ~
- D. $ Discuss
- 9. If the programmer does not explicitly provide a destructor, then which of the following creates an empty destructor?
Options- A. Preprocessor
- B. Compiler
- C. Linker
- D. main() function Discuss
- 10. When are the Global objects destroyed?
Options- 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. Discuss
Constructors and Destructors problems
Search Results
Correct Answer: delete[]
Correct Answer: Only one
Correct Answer: can be overloaded
Correct Answer: A constructor has no return type.
Correct Answer: default constructor
Correct Answer: Both A and C
Correct Answer: Copy Destructor
Correct Answer: ~
Correct Answer: Compiler
Correct Answer: When the program terminates.
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