/**
 * Write a description of class ReviewStuff here.
 * 
 * @author John Paxton
 * @version (a version number or a date)
 */

public class ReviewStuff
{
    // rows - parameter
    ReviewStuff (int students, int courses) // constructor
    {
        this.students = students;
        this.courses = courses;
        grades = new double [students][courses];
    }
    
    public void initialize ()
    {
        for (int rowIndex = 0; rowIndex < students; rowIndex++)
        {
            for (int columnIndex = 0; columnIndex < courses; columnIndex++)
            {
                grades[rowIndex][columnIndex] = (int) (Math.random() * 5.0);
                // System.out.println(rowIndex + "," + columnIndex);
            }
        }
    }
    
    public double getGPA (int who)
    {
        double sum = 0.0;
        
        for (int course = 0; course < courses; course++)
        {
            sum = sum + grades[who][course];
        }
        
        return sum / courses;
    }
    
    public double getGPA2 (int who)
    {
        double sum = 0.0;
        int currentCourse = 0;
        
        while (currentCourse < courses)
        {
            sum = sum + grades[who][currentCourse]; 
            currentCourse++;
        }
        
        return sum / courses;
    }
    
    private int students;  // instance variable
    private int courses;
    private double grades [][];
    
    public static final double PERFECT_GPA = 4.0;
}