// Fig. 7.16: GradeBook.h
// Definition of class GradeBook that uses an array to store test grades.
// Member functions are defined in GradeBook.cpp

#include <string> // program uses C++ Standard Library string class
using std::string;

// GradeBook class definition
class GradeBook
{
public:
   // constant -- number of students who took the test
   const static int students = 10; // note public data

   // constructor initializes course name and array of grades
   GradeBook( string, const int [] );

   void setCourseName( string ); // function to set the course name
   string getCourseName(); // function to retrieve the course name
   void displayMessage(); // display a welcome message
   void processGrades(); // perform various operations on the grade data
   int getMinimum(); // find the minimum grade for the test
   int getMaximum(); // find the maximum grade for the test
   double getAverage(); // determine the average grade for the test
   void outputBarChart(); // output bar chart of grade distribution
   void outputGrades(); // output the contents of the grades array
private:
   string courseName; // course name for this grade book
   int grades[ students ]; // array of student grades
}; // end class GradeBook  

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