"how to delete pointer c++" Code Answer's

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how to delete pointer c++

FaceToThePalm on Feb 25, 2021

int* ptr;			// pointer declaration

ptr = new int;	 	// dynamically allocate an integer on heap
delete ptr;			// deletes integer from heap & frees memory
ptr = nullptr;		// always good to reset pointer

ptr = new int[5];	// dynamically allocate integer array on heap with size 5
delete[] ptr;		// deletes integer array from heap & frees memory
ptr = nullptr;		// always good to reset pointer

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"how to delete pointer c++" Code Answer's