04. Train The Trainers

import java.util.Scanner;

public class TrainTheTrainers {
    public static void main(String[] args) {
        Scanner scanner = new Scanner (System.in);
        int juryNumber = Integer.parseInt(scanner.nextLine());
        String input = scanner.nextLine();
        double sumAllScore = 0;
        int countGrades =0;
        while(!input.equals("Finish")){
            double sumGradePerPresentation = 0;
            for (int i = 1; i <=juryNumber; i++) {
                double juryScore = Double.parseDouble(scanner.nextLine());
                countGrades++;
                sumGradePerPresentation+=juryScore;
                sumAllScore+=juryScore;
            }
            double averageOfPresentation = sumGradePerPresentation/juryNumber;
            System.out.printf("%s - %.2f.%n",input,averageOfPresentation);
            input=scanner.nextLine();
        }
        double sumAverageScore = sumAllScore / countGrades;
        System.out.printf("Student's final assessment is %.2f.",sumAverageScore);

    }
}