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Can you determine what the following program is supposed to do? Find and correct the errors so that the program performs correctly.
import java.awt.*;import javax.swing.*;public class Mystery extends JFrame{ private JButton aButton; public Mystery() // constructor { aButton = new JButton("mystery"); setTitle = "Mystery"; setBounds(0, 0, 300, 300); JPanel buttonPanel = new JPanel(); buttonPanel.add(aButton); // add button to panel buttonPanel.add(buttonPanel, BorderLayout.CENTER); // add panel to the frame aButton.addActionListener(new ButtonListener()); // register the listener aButton.setVisible(true); } private class ButtonListener implements ActionListener // the listener { public void actionPerformed(ActionEvent e) // must implement this method { // Do not react to the event } } public static void main(String [] args) { Mystery frame = new Mystery(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); }}
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