C++ MCQs with answers Page - 122

Here, you will find a collection of MCQ questions on C++. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Which of the following is not a type of inheritance?

  • (A) Multiple
  • (B) Multilevel
  • (C) Distributive
  • (D) Hierarchical

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Q. Which of the following is correct in C++?

  • (A) Classes cannot have protected data members
  • (B) Structures can have member functions
  • (C) Class members are public by default
  • (D) Structure members are private by default

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Q. A __________ is a constructor that either has no parameters, or if it has parameters, all the parameters have default values.

  • (A) default constructor
  • (B) copy constructor
  • (C) Both A and B
  • (D) None of these

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Q. How many default constructors per class are possible?

  • (A) Only one
  • (B) Two
  • (C) Three
  • (D) Unlimited

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Q. Which of the following statement is correct?

  • (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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Q. A destructor takes __________ arguments.

  • (A) one
  • (B) two
  • (C) three
  • (D) no

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Q. 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

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Q. Which of the following never requires any arguments?

  • (A) Member function
  • (B) Friend function
  • (C) Default constructor
  • (D) const function

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Q. A class's __________ is called when an object is destroyed.

  • (A) constructor
  • (B) destructor
  • (C) assignment function
  • (D) copy constructor

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Q. How many times a constructor is called in the life‐time of an object?

  • (A) Only once
  • (B) Twice
  • (C) Thrice
  • (D) Depends on the way of creation of object

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