const PropWare::NonNegativeIntegerComparator NON_NEGATIVE_COMP
Global instance for shared use by PropWare applications.
Determine if the user answered positively or negatively.
const PropWare::YesNoComparator YES_NO_COMP
Global instance for shared use by PropWare applications.
Also known as whole numbers, this class will only allow numbers that are zero or greater with no frac...