Problem with totaling amounts in a loop

Question

Hello, I am having trouble with some code I am writing in that I cannot get my totals to continuously add inside my loop and print out to the screen. I have gotten this far, and I am attempting to use JOptionPane which is something I am unfamiliar with as I have never had the need to use it. I have pasted the code below, so if any of you can help me it would be greatly appreciated. Thank you
import javax.swing.*;
public class SalesPay
     public static void main(String args[])
          // Declare variables.
          String inputName;
          String inputSales;
int base = 200;
int again;
          double weeklySales, pay;
          inputName = JOptionPane.showInputDialog("Enter your last name ");
          // Input the value for weekly sales.
          do
          inputSales = JOptionPane.showInputDialog("Enter your sales ");
          again = JOptionPane.showConfirmDialog (null, "more sales amounts? ");
          while (again == JOptionPane.YES_OPTION);
          weeklySales = Integer.parseInt(inputSales + inputSales);
          // Calculate pay: commission for sales > $1000 is 10%,
          // commission for sales <= $1000 is 5%.
          if (weeklySales > 1000)
               pay = (base + (weeklySales * 0.10));
          else
               pay = (base + (weeklySales * 0.05));
          // Display pay.
          JOptionPane.showMessageDialog(null, inputName + " your total sales for the week are: " + weeklySales +
"\nYour pay for the week is $" + pay + ".", "Pay for $" + weeklySales,JOptionPane.INFORMATION_MESSAGE);
          // Close application.
          System.exit(0);
}

Answer 1

First of all, use the [code ] formatting tags when you post code so the code is formatted correctly. Click on the "Formatting Help" link the next time you ask a question.
You keep reseting the value of 'inputSales' every time you show the input dialog. Your code should be something like:
do
inputSales = JOptionPane.showInputDialog("Enter your sales ");
weeklySales += Integer.parseInt(inputSales);
again = JOptionPane.showConfirmDialog (null, "more sales amounts? ");
while (again == JOptionPane.YES_OPTION);