import javax.swing.JOptionPane; /** * A class to test the CashRegister class. */ public class CashRegisterTester2 { public static void main(String[] args) { CashRegister register = new CashRegister(); double price1, price2, payment, change; String reply; reply = JOptionPane.showInputDialog("Price for first item:"); price1 = Double.parseDouble(reply); reply = JOptionPane.showInputDialog("Price for second item:"); price2 = Double.parseDouble(reply); reply = JOptionPane.showInputDialog("Payment amount:"); payment = Double.parseDouble(reply); register.recordPurchase(price1); register.recordPurchase(price2); register.enterPayment(payment); change = register.giveChange(); JOptionPane.showMessageDialog(null, "Your change is " + change); System.exit(0); } }