public static void main(String[] args) { MarcoEditor me = new MarcoEditor(); LaminaEditor le = new LaminaEditor(me); me.setLayout(new BorderLayout()); me.add(le, BorderLayout.CENTER); // mejora panel inferior MiPanelInferior panelInfereior = new MiPanelInferior(le); panelInfereior.setBackground(Color.YELLOW); me.add(panelInfereior, BorderLayout.SOUTH); Toolkit miPantalla = Toolkit.getDefaultToolkit(); Dimension resolucion = miPantalla.getScreenSize(); int altura = resolucion.height; int anchura = resolucion.width; utils.UtilsFrames.centrar(me, anchura, altura); }