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

//A simple Applet to test the Swing classes
//Requires Java 2 runtime and Netscape 6 or higher or IE
public class swingy extends JApplet implements ActionListener 
{

	public void init()
	{
		//declare a container for graphics objects
		Container contentPane=getContentPane();
		contentPane.setBackground(Color.cyan);
		contentPane.setLayout(new BorderLayout());

		//declare a button panel
		JPanel buttonPanel=new JPanel();
		buttonPanel.setBackground(Color.yellow);
		buttonPanel.setLayout(new FlowLayout());

		//declare 2 buttons and activate them
		//and put them in the panel
		JButton redButton=new JButton("Red");
		redButton.setBackground(Color.red);
		redButton.addActionListener(this);
		buttonPanel.add(redButton);

		JButton greenButton=new JButton("Green");
                greenButton.setBackground(Color.green);
                greenButton.addActionListener(this);
		buttonPanel.add(greenButton);	
	
		//put the panel at the top of the screen
		contentPane.add(buttonPanel, BorderLayout.NORTH);
	}

	//if user clicks red, make the screen red
	//if user clicks green, make the screen green
	public void actionPerformed(ActionEvent e)
	{
		//handle user button clicks
		Container contentPanel=getContentPane();
		if(e.getActionCommand().equals("Red"))
			contentPanel.setBackground(Color.red);
		else
		   if(e.getActionCommand().equals("Green"))
                        contentPanel.setBackground(Color.green);  
	}
}