Summary
An enumerated type is a set of conceptually related named values. An enumerated item in an enumerated type is a way to give a name to a literal value. The value of an enumerated item is constant. Most of the time, the values are not significant, but items that are in the set themselves add meaning to the type. We can use enumerated types to create natural collections or groups of values, as we have seen with card suits and shapes. The switch()… statement is ideally suited to select and process items within an enumerated type. We can also use an anonymous enumerated type to name unrelated literal integer values instead of using #define for them.
An enumerated type, unfortunately, doesn't provide everything we might need to model the real world. For instance, in a deck of cards, each card has both a suit and a face value, two different enumerations. To combine them into a single card object that represents reality more closely, we need another custom data type...
