import java.awt.*;
import javax.swing.*;
import java.awt.event.*;


public class PartB extends JPanel implements ActionListener
{
    JButton click;
    JLabel message;

    public PartB ()
    {
	setLayout (new FlowLayout ());
	setBackground (Color.yellow);
	click = new JButton ("hi");
	click.setActionCommand ("hi");
	click.addActionListener (this);
	message = new JLabel ("__________________");
	add (click);
	add (message);
    }


    public void actionPerformed (ActionEvent e)
    {
	if (e.getActionCommand ().equals ("hi"))
	{
	    if (message.getText().equals ("hi was pressed"))
		message.setText ("__________________");
	    else
		message.setText ("hi was pressed");
	}
    }
}