C++: A Dialog Programming with the C++ Standard Library

Checking Inventory for a Misplaced Item

By this point, you very understandably might have gotten the notion that we have to make changes to our classes every time we need to do anything slightly different in our application program. In that case, where's the advantage of using classes instead of just writing the whole program in terms of shorts, chars, and so on?

Well, this is your lucky day. It just so happens that the next (and last) scenario we are going to examine requires no more member functions at all; in fact, we don't even have to change the application program. Here it is, for reference: "Judy comes in looking for chunky chicken soup; there's none on the shelf where it should be, so we have to check the inventory to see if we're supposed ...