import java.applet.Applet;
import java.awt.Color;
import java.awt.Font;
import java.awt.Button;
import java.awt.Event;

public class ButtonPressWithApplet extends Applet
{
	// Create two buttons; the buttons are created here (instead of in the 'init'
	//  method) so that they will be accessible from within the 'action' method
	private Button button1, button2;

	public void init()
	{
		// Note that using no layout (or a null layout) is considered by some to be
		//  a bad idea; there are a variety of different types of layout managers
		//  that can be used to avoid absolute positioning of elements; by specifying
		//  the exact location of objects on an applet window, if the window is
		//  resized by a user, or if the program is run on a computer with a lower
		//  screen resolution, it's possible that not all of the elements will fit
		//  (be visible) on the applet window
		this.setLayout(null);

		// Set the size and background color of the applet window
		this.setSize(400, 175);
		this.setBackground(Color.WHITE);

		// Set the first button's caption, position, size, font, and colors
		button1 = new Button("Button #1");
		button1.setBounds(50, 25, 300, 50);
		button1.setBackground(Color.BLUE);
		button1.setForeground(Color.WHITE);
		button1.setFont(new Font("Arial", Font.BOLD, 24));

		// Set up the second button
		button2 = new Button("Button #2");
		button2.setBounds(50, 100, 300, 50);
		button2.setBackground(Color.RED);
		button2.setForeground(Color.WHITE);
		button2.setFont(new Font("Arial", Font.BOLD, 24));

		// Add the buttons to the (null) layout (make them visible); notice that no
		//  explicit 'paint' method is needed, since components know how to paint
		//  themselves; when an applet is repainted, it calls not only its own
		//  'paint' method, but also the 'paint' methods for all of the components
		//  that it contains
		this.add(button1);
		this.add(button2);
	}

	// Check to see if an action (event) has occurred
	public boolean action(Event event, Object object)
	{
		// Since the only event that can really occur here is a button press, check
		//  to see which button was pressed by the user
		if (event.target == button1)
		{
			button1.setVisible(false);
			button2.setVisible(true);
		}
		else
		{
			button2.setVisible(false);
			button1.setVisible(true);
		}

		return true;
	}
}