Question

Java program to calculate grade ranges

Answer 1

import javax.swing.JOptionPane;

public class ArrayProgram4 {
public static void main(String[] args) {
//create array based on the number of args entered by user
String response = JOptionPane.showInputDialog(null, "Number ofscores:");
int number = Integer.parseInt(response);
int scores[] = new int[number];
//for loop to convert String args array to integer myArray
for (int a = 0; a < number; a++) {
response = JOptionPane.showInputDialog(null, "Enter score"+(a+1));
scores[a] = Integer.parseInt(response);
}
int sum = 0;
int largest = scores[0];
int smallest = scores[0];
int A = scores[0];
int B = scores[0];
int C = scores[0];
int D = scores[0];
int F = scores[0];

//for loop to find sum, largest, smallest, and number of each grades
for (int i = 0; i<scores.length; i++){
sum = sum + scores[i];
if (scores[i] > largest) {
largest = scores[i];
}
if (scores[i] < smallest) {
smallest = scores[i];
}
if (scores[i] < 100 && scores[i] > 90) {
A = scores[i];
}
if (scores[i] < 89 && scores[i] > 80) {
B = scores[i];
}
if (scores[i] < 79 && scores[i] > 70) {
C = scores[i];
}
if (scores[i] < 69 && scores[i] > 60) {
D = scores[i];
}
if (scores[i] < 59) {
F = scores[i];
}
}
//output
JOptionPane.showMessageDialog(null, "The sum is " + sum
+ "\nThe average is " + sum/scores.length +"\nThe largest is " + largest
+ "\nThe smallest is " + smallest + "\nThe number of students with "
+ "scores of 90-100 (A) is " + A/A + "\nThe number of students with "
+ "scores of 80-89 (B) is " + B/B + "\nThe number of students with "
+ "scores of 70-79 (C) is " + C/C + "\nThe number of students with "
+ "scores of 60-69 (D) is " + D/D + "\nThe number of students with "
+ "scores below 60 (F) is " + F/F);
}

Answer 2

When i execute the program im not sure how to make it show the number of As, Bs, Cs, Ds, & Fs