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  • Question
  • Which of the following statements is correct?

    1. Change a reference changes the referent.
    2. We can create an array of references.


  • Options
  • A. Only 1 is correct.
  • B. Only 2 is correct.
  • C. Both 1 and 2 are correct.
  • D. Both 1 and 2 are incorrect.

  • Correct Answer
  • Only 1 is correct. 


  • References problems


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    • 1. Which of the following statements is correct?

      1. Pointer to a reference and reference to a pointer both are valid.
      2. When we use reference, we are actually referring to a referent.

    • Options
    • A. Only 1 is correct.
    • B. Only 2 is correct.
    • C. Both 1 and 2 are correct.
    • D. Both 1 and 2 are incorrect.
    • Discuss
    • 2. Which of the following statement is correct?

    • Options
    • A. An array of references is acceptable.
    • B. Once a reference variable has been defined to refer to a particular variable it can refer to any other variable.
    • C. An array of references is not acceptable.
    • D. Reference is like a structure.
    • Discuss
    • 3. Which of the following statements is correct?

      1. A reference is not a constant pointer.
      2. A referenced is automatically de-referenced.

    • Options
    • A. Only 1 is correct.
    • B. Only 2 is correct.
    • C. Both 1 and 2 are correct.
    • D. Both 1 and 2 are incorrect.
    • Discuss
    • 4. Which of the following statements is correct?

      1. Once a reference variable has been defined to refer to a particular variable it can refer to any other variable.
      2. A reference is not a constant pointer.

    • Options
    • A. Only 1 is correct.
    • B. Only 2 is correct.
    • C. Both 1 and 2 are correct.
    • D. Both 1 and 2 are incorrect.
    • Discuss
    • 5. A reference is declared using the _____ symbol.

    • Options
    • A. &&
    • B. &
    • C. ||
    • D. !
    • Discuss
    • 6. A destructor takes __________ arguments.

    • Options
    • A. one
    • B. two
    • C. three
    • D. no
    • Discuss
    • 7. For automatic objects, constructors and destructors are called each time the objects

    • Options
    • A. enter and leave scope
    • B. inherit parent class
    • C. are constructed
    • D. are destroyed
    • Discuss
    • 8. 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.
    • Discuss
    • 9. 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.
    • Discuss
    • 10. 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.
    • Discuss


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