What is the purpose of a null pointer in C++?
A. Represents a pointer to a reserved memory location
B. Represents a pointer to a deleted object
C. Represents a pointer to a null object
D. Represents that the pointer does not point to a valid object
Answer: Option D
This Question Belongs to C Plus Plus Programming >> Pointers And References In C Plus Plus
Related Questions on Pointers and References in C plus plus
A. A variable that stores the size of another variable
B. A variable that stores the address of another variable
C. A variable that stores a reference to another variable
D. None of the above
What is the output of the following code: int x = 5; int *ptr = &x; cout << *ptr; in C++?
A. Address of x
B. Garbage value
C. Compilation error
D. 5
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