The C++ Program Structure
Example: The PIXEL Program
/* point.h--Lab. 1 assignment*/
//describe the file contents
// point.h contains two classes:
// class Location describes screen locations in X and Y coordinates
// class Point describes whether a point is hidden or visible
//global data types and data structures declaration
enum Boolean {false, true};
//enum is a type specifier for discrete data types,
//Boolean is a data type for variables with false and true values