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What are NULL pointers ?

Posted by  Prakash nidhi Verma
C#  Java 
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  1. What are NULL pointers ?

    A pointer which is not pointing to any address or memory location is known as NULL pointer. means NULL pointer do not point any address or memory location.

    NULL pointer is a pointer which do not point to any memory location or any address.It also does not contain any value. 

    int main(void)
        Int *p=NULL:
        return 0;