C++ Free Vs Delete

Delete is an operator whereas free is a library function. Delete free the allocated memory and calls destructor.

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But free de-allocate memory but does not.

C++ free vs delete. Nothing will happen if you call free with a NULL parameter or delete with an NULL operand. In C delete operator should only be used either for the pointers pointing to the memory allocated using new operator or for a NULL pointer and free should. Both are defined to accept NULL and perform no action.

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