//sample program for JOptionPane

//AWESOME ICONS WITH THE START OF INPUTBOXES
import javax.swing.JOptionPane;
import java.lang.*;
import java.awt.*;
import java.text.DecimalFormat;

public class MilesPerGallon{
        public static void main(String args[])
        {

                int miles = 0;
                int gallons = 0;
                int finalmiles = 0;
                int finalgallons = 0;
                String input1, input2;
                double mpg, endmpg;


                //DECIMAL FORMATTING DONE HERE
                DecimalFormat precisionTwo = new DecimalFormat("0.00");

                JOptionPane.showMessageDialog
                                (null,"Format: Enter Miles in first dialog, and Gallons in the second."+
                                "0 = done",
                                "Input",JOptionPane.PLAIN_MESSAGE);
                input1 = JOptionPane.showInputDialog("Miles:");
                while (0 != input1.compareTo("0"))
                {
                        input2 = JOptionPane.showInputDialog
                                        ("Gallons:");
                        miles = Integer.parseInt(input1);
                        gallons = Integer.parseInt(input2);
                        mpg = (double)miles/gallons;
                        JOptionPane.showMessageDialog(null, "Answer "+
                                                precisionTwo.format(mpg) +
                                                "mpg",
                                                "Equating", JOptionPane.PLAIN_MESSAGE);

                        finalmiles += miles;
                        finalgallons += gallons;

                        input1 = JOptionPane.showInputDialog
                                        ("Miles:");

                }
                endmpg = (double)finalmiles/finalgallons;
                JOptionPane.showMessageDialog(null,"End Answer " +
                                        endmpg + " mpg","Equating",
                                        JOptionPane.PLAIN_MESSAGE);
                System.exit(0);
        }
}