// Fig. 7.23: GradeBook.h
// Definition of class GradeBook that uses a 
// two-dimensional 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:
   // constants
   const static int students = 10; // number of students
   const static int tests = 3; // number of tests
 
   // constructor initializes course name and array of grades
   GradeBook( string, const int [][ tests ] );

   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 in the grade book
   int getMaximum(); // find the maximum grade in the grade book
   double getAverage( const int [], const int ); // find average of grades
   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 ][ tests ]; // two-dimensional array of grades
}; // end class GradeBook  

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