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- Question
Which of the following statements is correct?
- A reference is not a constant pointer.
- 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.
- Correct Answer
- Only 2 is correct.
- 1. Which of the following statements is correct?
- Once a reference variable has been defined to refer to a particular variable it can refer to any other variable.
- 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
- 2. A reference is declared using the _____ symbol.
Options- A. &&
- B. &
- C. ||
- D. ! Discuss
- 3. Which of the following statement is correct?
Options- A. A reference is a constant pointer.
- B. A reference is not a constant pointer.
- C. An array of references is acceptable.
- D. It is possible to create a reference to a reference. Discuss
- 4. Which of the following statement is correct?
Options- A. A reference is stored on heap.
- B. A reference is stored on stack.
- C. A reference is stored in a queue.
- D. A reference is stored in a binary tree. Discuss
- 5. Which of the following statement is correct?
Options- A. A reference is declared using * operator.
- B. Once a reference variable has been defined to refer to a particular variable it can refer to any other variable.
- C. A reference must always be initialized within classes.
- D. A variable can have multiple references. Discuss
- 6. 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
- 7. Which of the following statements is correct?
- Pointer to a reference and reference to a pointer both are valid.
- 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
- 8. Which of the following statements is correct?
- Change a reference changes the referent.
- 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. Discuss
- 9. A destructor takes __________ arguments.
Options- A. one
- B. two
- C. three
- D. no Discuss
- 10. 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
References problems
Search Results
Correct Answer: Both 1 and 2 are incorrect.
Correct Answer: &
Correct Answer: A reference is a constant pointer.
Correct Answer: A reference is stored on stack.
Correct Answer: A variable can have multiple references.
Correct Answer: An array of references is not acceptable.
Correct Answer: Both 1 and 2 are correct.
Correct Answer: Only 1 is correct.
Correct Answer: no
Correct Answer: enter and leave scope
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