First 10 out of 10 on Hackerrank

My first 10 out of 10!

import java.util.*;

public class Solution {

    public static void main(String[] args) {
       Scanner scanner = new Scanner(System.in);        

       String numArgsStr = scanner.nextLine();        

       double numArgs = Double.parseDouble(numArgsStr);        

       String integers = scanner.nextLine();        

       String[] integersArray = integers.split(" ");        

       double pos = 0.0;        

       double zero = 0.0;        

       double neg = 0.0;        

       for (int i = 0; i < integersArray.length; i++) {    

         int j = Integer.parseInt(integersArray[i]);            

         if(j < 0) {
                neg++;            } else if(j == 0) {
                zero++;            } else {
                pos++;            }
       }

       System.out.println(printDiv(pos, numArgs));        

       System.out.println(printDiv(neg , numArgs));        

       System.out.println(printDiv(zero, numArgs));    

    }

    static String printDiv(double num, double den) {
        if(Double.toString(num / den).length() > 8)
           return Double.toString(num / den).substring(0, 8);        

        else            

           return String.format("%-8s", Double.toString(num / den)).replace(' ', '0');    

     }
}