what is a dangling pointer?

Question

pointers

Answer 1

of pointers are not delete at the and of program then the pointer sticks in memory and use space of you memory and we can delete them with out formating our memory are called dangling pointer in simple word the useless pointers wasting memory space.

Answer 2

those are such pointers who are not having any address. after using delete address of the pointer is removed and so remains dangling pointer