gistfile1.txt

  static void printBestSubject(Node<Students> students) {
        //Defining number of subjects to minimum
        int numberOfSubjects = 0;
        //Defining number of students to minimum
        int numberOfStudents = 0;
        //Defining a temp students node
        Node<Students> student = students;
        //Defining a temp grade node
        Node<Grade> tempGrade = student.getData().getGrade();
        //Checking the number of subjects for every student
        while (tempGrade != null) {
            tempGrade = tempGrade.getLink();
            numberOfSubjects++;
        }
        //Defining 2 arrays, one for the grade of every subject
        int[] gradesForSubjects = new int[numberOfSubjects];
        //And one for ID of every subject
        int[] subjectsIDs = new int[numberOfSubjects];
        //Resetting the temp student node
        student = students;
        //Resetting the temp grade node
        tempGrade = student.getData().getGrade();
        //Filling in the arrays we created earlier with the correct information
        while (student != null) {
            for (int i = 0; i < numberOfSubjects; i++) {
                gradesForSubjects[i] += tempGrade.getData().getScore(); //Adding score for every students grade
                subjectsIDs[i] = tempGrade.getData().getID();//Setting the subject ID
                tempGrade = tempGrade.getLink();//Next grade
            }
            student = student.getLink();//Next student
            tempGrade = student.getData().getGrade();//Setting the base grade of the next student
            numberOfStudents++;//Update the students counter for later
        }

        int bestScore = 0, bestScoreID = 0; //Setting counters
        for (int i = 0; i < gradesForSubjects.length; i++) {//Checking every score
            if (bestScore < (gradesForSubjects[i] / numberOfStudents)) //If the subject average is the highest 
            {
                bestScore = gradesForSubjects[i] / numberOfStudents; //Update the counter
                bestScoreID = subjectsIDs[i]; //Update the ID
            }
        }
        System.out.println(String.valueOf(bestScoreID)); //Print the highest averaged subject
    }