4-10 TotalSales

Post date: Feb 23, 2014 10:06:59 PM

//This program calculates a running total.

package totalsales;

import java.text.DecimalFormat;

import javax.swing.JOptionPane;

public class TotalSales 

{

    public static void main(String[] args)

    {

           int days;                      // The number of days

           double sales;             // A day's sales figure

           double totalSales;  // Accumulator

           String input;               // To hold the user's input

           // Create a DecimalFormat object to format output.

           DecimalFormat dollar = new DecimalFormat("#,##0.00");

           // Get the number of days.

           input = JOptionPane.showInputDialog("For how many days do you have sales figures?");    

           days = Integer.parseInt(input);

           // Set the accumulator to 0.

           totalSales = 0.0;

           // Get the sales figures and calculate a running total.

            for (int count = 1; count <= days; count++)

            {

                input = JOptionPane.showInputDialog("Enter the sales for day " + count + ":");

                sales = Double.parseDouble(input);

                totalSales += sales; // Add sales to totalSales.

            }

            // Display the total sales.

            JOptionPane.showMessageDialog(null, "The total sales are $ " + dollar.format(totalSales));

            System.exit(0);

    }   

}