public class Mileage {\ \ public static void main(String[] args) {\ \ String milesDriven;\ String gallonsUsed;\ double milesPerGallon;\ \ \ JOptionPane.showMessageDialog(null, "This program will calculate milage."); \ \ milesDriven =\ JOptionPane.showInputDialog("Enter how many miles driven.");\ \ gallonsUsed = \ JOptionPane.showInputDialog("Enter how many gallons used.");\ \ double miles = Double.parseDouble(milesDriven);\ double gallons = Double.parseDouble(gallonsUsed);\ \ milesPerGallon = milesDriven/gallonsUsed;\ \ JOptionPane.showMessageDialog(null, "Your miles per gallon is " + milesPerGallon);\ \ \ \ System.exit(0);