What is a dangling pointer in C++?
Options
- A. A pointer that refers to an object or memory whose lifetime has ended
- B. A pointer that always contains NULL
- C. A pointer that stores only a character
- D. More than one of the above
- E. None of the above
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Quiz Practice:
Correct Answer (Detailed Explanation is Below)
A. A pointer that refers to an object or memory whose lifetime has ended
Detailed Explanation
Correct Answer: Option AExplanation: A dangling pointer refers to an object or memory that is no longer valid, for example, a pointer used after the pointed-to object has been deleted. Dereferencing such a pointer can cause undefined behavior.