I have a pointer, nodePtr to a node that is a struct in a linked list. I want to access the member named data. I do this using the expression
a) nodePtr.data
b) nodePtr->data
c) *nodePtr.data
d) (*nodePtr).data
e) data is private, you can’t access data under any circumstances.
b) nodePtr->data , and e) data is private, you can’t access data under any circumstances.
a) attempts to access a member through a something that is not a class or a struct. nodePtr is pointer, not a struct or class. Part c) gets into precedence trouble. The postfix dot operator binds more closely than the prefix * operator, so we are attempting to access a member in a pointer rather than a struct. Part e) is wrong. The pointer variable nodePtr points to a struct, so access is no problem.
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