import javax.swing.JOptionPane;

public class ArrayProgram3 {
    public static void main(String args[]){
        int gradeA = 0;
        int gradeB = 0;
        int gradeC = 0;
        int gradeD = 0;
        int gradeF = 0;
            String response = JOptionPane.showInputDialog(null, "Number of scores:");
                int number = Integer.parseInt (response);
                int scores[] = new int [number];
                int grade[] = new int [5];
        //for loop to get the scores from the user and save them into the scores array
        for (int a = 0; a < number; a++){
            response = JOptionPane.showInputDialog(null, "Enter score " + (a + 1));
            scores[a] = Integer.parseInt(response);

                    if (number >= 90){
                        grade[] = gradeA + 1;}
                    else if (number >= 80 && number <= 89) {
                        grade[] = gradeB + 1;}
                    else if (number >= 70 && number <= 79) {
                        grade[] = gradeC + 1;}
                    else if (number >= 60 && number <= 69) {
                        grade[] = gradeD + 1;}
                    else {
                        grade[] = gradeF + 1;}
        }
        int sum = 0;
        double avg = 0;
        int largest = scores[0];
        int smallest = scores[0];
        //for loop to find sum, largest, and smallest
            for (int i = 0; i < scores.length; i++){
                sum = sum + scores[i];
                avg = sum/scores.length;
                if (scores[i] > largest){
                    largest = scores[i];}
                if (scores [i] < smallest) {
                    smallest = scores[i];} }

        JOptionPane.showMessageDialog(null, "The sum is " + sum +
                "\nThe average is " + avg +
                "\nThe largest score is " + largest +
                "\nThe smallest score is " + smallest +
                "\nThe number of students who earned an A is " + gradeA +
                "\nThe number of students who earned a B is " + gradeB +
                "\nThe number of students who earned a C is " + gradeC +
                "\nThe number of students who earned a D is " + gradeD +
                "\nThe number of students who earned an F is " + gradeF);
                }
    }