Discussion
Home ‣ C++ Programming ‣ Constructors and Destructors Comments
- Question
A class's __________ is called when an object is destroyed.
Options- A. constructor
- B. destructor
- C. assignment function
- D. copy constructor
- Correct Answer
- destructor
- 1. 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 Discuss
- 2. 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. Discuss
- 3. It is a __________ error to pass arguments to a destructor.
Options- A. logical
- B. virtual
- C. syntax
- D. linker Discuss
- 4. 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(). Discuss
- 5. 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. Discuss
- 6. 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 Discuss
- 7. A constructor that accepts __________ parameters is called the default constructor.
Options- A. one
- B. two
- C. no
- D. three Discuss
- 8. Which of the following statement is incorrect?
Options- 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. Discuss
- 9. What happens when a class with parameterized constructors and having no default constructor is used in a program and we create an object that needs a zero-argument constructor?
Options- A. Compile-time error.
- B. Preprocessing error.
- C. Runtime error.
- D. Runtime exception. Discuss
- 10. A function with the same name as the class, but preceded with a tilde character (~) is called __________ of that class.
Options- A. constructor
- B. destructor
- C. function
- D. object Discuss
Constructors and Destructors problems
Search Results
Correct Answer: are not called
Correct Answer: Both A and B.
Correct Answer: syntax
Correct Answer: A destructor has no return type.
Correct Answer: Constructor is called either implicitly or explicitly, whereas destructor is always called implicitly.
Correct Answer: Reverse order
Correct Answer: no
Correct Answer: Both B and C.
Correct Answer: Compile-time error.
Correct Answer: destructor
Comments
There are no comments.More in C++ Programming:
Programming
Copyright ©CuriousTab. All rights reserved.