Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 0
    at Program.main(Program.java:25)

import java.util.Scanner;
public class Program{
    static int n;
    static int x = 1;
    static int [] arr = new int[n];
    static int q = 0;
    static int g = 0;
    static int p = 1;
    static int count;


    public static void main(String[] args){

         Scanner scan = new Scanner(System.in);
         int n = scan.nextInt();

         while(x <= n){

            arr [q] = p; //assigns value to each array index
            g = n%arr[q]; // stores value of remainder
            q++;
            p++;
            x++;
            if (g == 0){ //counts and displays each time remainder  = 0
                count++;
                System.out.println(q);
            }

        }

        System.out.println(count + " Divisors");


}
}