// 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 pct = hwScore(10, 10, 14, 16, 17, 20, 15, 20);
      overallGrade(pct, 88, 81);
   }
   
   // 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 hwScore(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;
      double pct = (double)totalScore / totalPoss;
      
      return pct;
   }
   
   // Computes and prints a student's overall grade in the course
   //   using the formula: 45% homework, 20% midterm, 35% final
   //
   // double hw - 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 void overallGrade(double hw, int mid, int fin) {
      double midPct = mid / 100.0;
      double finPct = fin / 100.0;
      double result = hw * 0.45 + midPct * 0.2 + finPct * 0.35;
      
      System.out.println("Your grade is " + result);
   }
}