Trainers

import java.util.Scanner;

public class Nested_Loops {
    public static void main(String[] args) {
 Scanner key = new Scanner(System.in);
        System.out.print("Jury members: ");
        int jury = Integer.parseInt(key.nextLine());
        System.out.print("Student's name: ");
        String student = key.nextLine();
        System.out.print("Presentation name: ");
        String presentation = key.nextLine();
        int numberOFPresentations = 0;
        double sumOfAverageGrades = 0;
        double averageAssessment = 0;

        while (!presentation.equalsIgnoreCase("Finish")) {
            numberOFPresentations++;
            double presentationGrade = 0;

            double sumOfGrades = 0;
            double averageGrade = 0;
            for (int i = 1; i <= jury; i++) {
                System.out.print("Enter grade: ");
                double grade = Double.parseDouble(key.nextLine());
                sumOfGrades += grade;
                averageGrade = sumOfGrades / i;


            }
            sumOfAverageGrades += averageGrade;
            System.out.printf("%s's average grade of presentation %s is %.2f%n",student, presentation, averageGrade);
            System.out.println("Presentation name: ");
            presentation = key.nextLine();
        }
        averageAssessment = sumOfAverageGrades / numberOFPresentations;
        System.out.printf("%s's average assessment is %.2f", student, averageAssessment);
    }
}