Which of the following statements are correct?

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Which of the following statements are correct?

1.Constructor is always called explicitly.

2.Constructor is called either implicitly or explicitly, whereas destructor is always called implicitly.

3.Destructor is always called explicitly.

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

Posted Date:-2021-02-24 09:16:11

More MCQS Questions and answers

  1. A class's __________ is called when an object is destroyed.
  2. It is a __________ error to pass arguments to a destructor.
  3. Which of the following gets called when an object is being created?
  4. Which of the following statements are correct?
  5. A union that has no constructor can be initialized with another union of __________ type.
  6. A __________ is a constructor that either has no parameters, or if it has parameters, all the parameters have default values
  7. How many default constructors per class are possible?
  8. If the programmer does not explicitly provide a destructor, then which of the following creates an empty destructor?
  9. To ensure that every object in the array receives a destructor call, always delete memory allocated as an array with operator __________ .
  10. A destructor takes __________ arguments.
  11. A function with the same name as the class, but preceded with a tilde character (~) is called __________ of that class.
  12. Constructors __________ to allow different approaches of object construction.
  13. Copy constructor must receive its arguments by __________ .
  14. Destructor calls are made in which order of the corresponding constructor calls?
  15. Destructor calls are made in which order of the corresponding constructor calls?
  16. Destructor has the same name as the constructor and it is preceded by ______ .
  17. Destructors __________ for automatic objects if the program terminates with a call to function exit or function abort.
  18. For automatic objects, constructors and destructors are called each time the objects
  19. How many times a constructor is called in the life-time of an object?
  20. If the copy constructor receives its arguments by value, the copy constructor would
  21. A constructor that accepts __________ parameters is called the default constructor.
  22. 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?
  23. When are the Global objects destroyed?
  24. Which constructor function is designed to copy objects of the same class type?
  25. Which of the following are NOT provided by the compiler by default?
  26. Which of the following cannot be declared as virtual?
  27. Which of the following gets called when an object goes out of scope?
  28. Which of the following implicitly creates a default constructor when the programmer does not explicitly define at least one constructor for a class?
  29. Which of the following never requires any arguments?
  30. Which of the following statement is correct about constructors?
  31. Which of the following statement is correct about destructors?
  32. Which of the following statement is correct whenever an object goes out of scope?
  33. Which of the following statement is correct?
  34. Which of the following statement is correct?
  35. Which of the following statement is correct?
  36. Which of the following statement is correct?
  37. Which of the following statement is correct?
  38. Which of the following statement is incorrect?
  39. ________ used to make a copy of one class object from another class object of the same class type.
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