import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class JSandwich extends JFrame implements ItemListener {
 FlowLayout flow = new FlowLayout();
 JLabel companyName = new JLabel("Sublime Sandwich");
 JComboBox<String> mainBox = new JComboBox<String>();
 JLabel mainList = new JLabel("Main ingredient");
 JComboBox<String> breadBox = new JComboBox<String>();
 JLabel breadList = new JLabel("Breads");
 JTextField totPrice = new JTextField(10);
 int mainNum, breadNum;
 double[] mainPrices = {6.99, 7.99, 8.99};
 double sumPrice = mainPrices[0];
 double breadPrice = 0;
 double mainPrice = mainPrices[0];
 double[] breadPrices = {0, 0, 0};
 String output;
 public JSandwich() {
 // code here
 }
 public static void main(String[] arguments) {
 JSandwich sandframe = new JSandwich();
 sandframe.setSize(240, 200);
 sandframe.setVisible(true);
 }
 public void itemStateChanged(ItemEvent list) {
 // 
 }
}