Question 23: Consider the Java code given below.

1import java.awt.*;
2import javax.swing.*;
3import java.awt.event.*;
4
5class OrderDemo extends JFrame implements ActionListener {
6    JButton btnOrder, btnCancel;
7    JLabel label;
8    JPanel p1, p2;
9
10    public OrderDemo() {
11        p1 = new JPanel();
12        p2 = new JPanel();
13
14        btnOrder = new JButton("Order");
15        btnCancel = new JButton("Cancel Order");
16        label = new JLabel("Select an option");
17
18        p1.add(btnOrder);
19        p1.add(btnCancel);
20        p2.add(label);
21
22        add(p1, "Center");
23        add(p2, "South");
24
25        btnOrder.setActionCommand("Order");
26        btnCancel.setActionCommand("Cancel");
27        btnOrder.addActionListener(this);
28        btnCancel.addActionListener(this);
29
30        setSize(350, 150);
31        setVisible(true);
32    }
33
34    public void actionPerformed(ActionEvent e) {
35        // CODE SEGMENT
36    }
37}
38
39public class OrderTest {
40    public static void main(String[] args) {
41        new OrderDemo();
42    }
43}