// A program to calculate a student's overall grade in a course
//   somewhat similar to CSE142.
//
// Notice the use of parameters and return values to capture the
//   structure of the program while still allowing main to retain
//   high-level control.
public class Grades {
   public static void main(String[] args) {
      double hwPct = calcHwScore(hw1, hw1Poss, hw2, hw2Poss, hw3, hw3Poss, hw4, hw4Poss);
      int mid = 87;
      int fin = 80;
      
      double overall = calcOverallPct(hwPct, mid, fin);

      printResults(hwPct, mid, fin, overall);
   }

   // Computes and return a student's homework score.
   //
   // int score1 - the students score on HW1
   // int poss1 - the maximum possible score on HW1
   // int score2 - the students score on HW2
   // int poss2 - the maximum possible score on HW2
   // int score3 - the students score on HW3
   // int poss3 - the maximum possible score on HW3
   // int score4 - the students score on HW4
   // int poss4 - the maximum possible score on HW4
   public static double calcHwScore(int score1, int poss1, int score2, int poss2, 
   				    int score3, int poss3, int score4, int poss4) {
      int totalScore = score1 + score2 + score3 + score4;
      int totalPoss = poss1 + poss2 + poss3 + poss4;
   
      return (double) totalScore / totalPoss;
   }
   
   
   // Computes and returns a student's overall grade in the course
   //   using the formula: 45% homework, 20% midterm, 35% final
   //
   // double hwPct - student's homework percentage
   // int mid - student's score on the midterm (out of 100)
   // int fin - student's score on the final exam (out of 100)
   public static double calcOverallPct(double hwPct, int mid, int fin) {
      double overall = (hwPct * 0.45) + (mid / 100.0 * 0.20) + (fin / 100.0 * 0.35);
      return overall;
   }
   
   // Prints the parts of a student's grade in the course
   // 
   // double hwPct - student's homework percentage
   // int mid - student's score on the midterm (out of 100)
   // int fin - student's score on the final exam (out of 100)
   // double overall - student's overall percentage in the course
   public static void printResults(double hwPct, int mid, int fin, double overall) {
      System.out.println("HW Avg:  " + hwPct * 100.0);
      System.out.println("Midterm: " + mid);
      System.out.println("Final:   " + fin);
      System.out.println("OVERALL: " + overall * 100.0);   
   }
}