Movendo os formulários pela tela

package Interface;

import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;

public class teste_Interface extends JFrame implements ActionListener
{
	
	private static teste_Interface janela;
	private JPanel pane;
	private JButton botao;
	
	public teste_Interface(String title)
	{
		setTitle(title);
	}
	
	public void MontaJanela(int width, int height, int x, int y)
	{
		pane = new JPanel();
		botao = new JButton("Click me... if you can!");
		botao.setLocation(new Point(80, 300));
		botao.addActionListener
		(
				new ActionListener()
				{
					@Override
					public void actionPerformed(ActionEvent e)
					{
						MsgBox("Bem feito feito");
					}
				}
		);
		
		pane.add(botao);
		add(pane);
		setSize(width, height);
		setLocation(x, y);
		setVisible(true);
	}
	
	public void MsgBox(String text)
	{
		JOptionPane.showMessageDialog(this, text, "Alerta", 
				JOptionPane.INFORMATION_MESSAGE);
	}
	
	public static void main(String arg[])
	{	
		janela = new teste_Interface("My window");
		janela.MontaJanela(480, 640, 40, 40);
		janela.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}

	@Override
	public void actionPerformed(ActionEvent e)
	{
	}
}