Answer: Provided in the explanation section
Explanation:
Using Code :-
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class SandwichShop
{
String sandwichIngredients [] = {"Chicken", "Mutton", "Veg"};
String breadTypes[] = {"Bloomer", "Cob", "Plait"};
JFrame jf;
JPanel p1, p2, p3, p4, mainP;
JList ingredient, bread;
JLabel ingL, breadL, amountL;
JTextField amountT;
JButton amountB, exitB;
SandwichShop()
{
jf = new JFrame("Sandwich Shop");
p1 = new JPanel();
p2 = new JPanel();
p3 = new JPanel();
p4 = new JPanel();
mainP = new JPanel();
ingredient = new JList<String>(sandwichIngredients);
bread = new JList<String>(breadTypes);
ingL = new JLabel("Select Sandwich Ingredients");
breadL = new JLabel("Select Bread Types");
amountL = new JLabel("Amount: ");
amountT = new JTextField(5);
amountB = new JButton("Check Amount");
exitB = new JButton("Exit");
p1.add(ingL);
p1.add(ingredient);
p2.add(breadL);
p2.add(bread);
p3.add(amountL);
p3.add(amountT);
p4.add(amountB);
p4.add(exitB);
mainP.add(p1);
mainP.add(p2);
mainP.add(p3);
mainP.add(p4);
mainP.setLayout(new GridLayout(4, 1));
jf.add(mainP);
jf.setVisible(true);
jf.setSize(400, 300);
exitB.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent ae)
{
System.exit(0);
}
});
amountB.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent ae)
{
int indexIngredient = ingredient.getSelectedIndex();
int indexBread = bread.getSelectedIndex();
if(indexIngredient == 0 && indexBread == 0)
amountT.setText("100");
if(indexIngredient == 0 && indexBread == 1)
amountT.setText("120");
if(indexIngredient == 0 && indexBread == 2)
amountT.setText("160");
if(indexIngredient == 1 && indexBread == 0)
amountT.setText("190");
if(indexIngredient == 1 && indexBread == 1)
amountT.setText("205");
if(indexIngredient == 1 && indexBread == 2)
amountT.setText("210");
if(indexIngredient == 2 && indexBread == 0)
amountT.setText("97");
if(indexIngredient == 2 && indexBread == 1)
amountT.setText("85");
if(indexIngredient == 2 && indexBread == 2)
amountT.setText("70");
}
});
}
public static void main(String[] args)
{
new SandwichShop();
}
}
