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

public class SButton extends SJanela {
    JButton b;

    class ButtonHandler implements ActionListener {
	public void actionPerformed(ActionEvent ae) {
	    System.out.println(b.getActionCommand() +": " + ae);
	}
    }

    public SButton() {
	super("Janela com botao");
	try {
	    b = new JButton("OK", new ImageIcon(new URL("file:annotn.gif")));
	}
	catch (Exception e) {
	    b = new JButton("OK");
	}
	b.addActionListener(new ButtonHandler());
	getContentPane().add(b);
    }

    public static void main(String[] args) {
	SButton jb = new SButton();
	jb.setVisible(true);
    }

}