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

public class MouseMotion
    extends JFrame
{
    public MouseMotion()
    {
        setSize( 600, 400 );
        setDefaultCloseOperation( EXIT_ON_CLOSE );
        getContentPane().addMouseMotionListener(
            new MouseMotionAdapter() {
                public void mouseDragged( MouseEvent e )
                { System.err.println( "Arrastrado: " + e.getX() + ", " + e.getY() ); }
            }
        );
    }
    
    public static void main( String [] args )
    {
        MouseMotion motion = new MouseMotion();
        motion.setVisible( true );
    }
}