Tell me what is null pointer and what is its use?



Tell me what is null pointer and what is its use?..

Answer / Satish Chandra Ram

"A null pointer is a value that represents the absence of an object reference. It's typically represented by the C constant NULL or 0 in some contexts. The null pointer is used to denote the absence of a value, indicating that a pointer doesn't point to any valid memory location."

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