import javax.swing.*; public class CircuitFrame extends JFrame { public CircuitFrame() { setTitle("Editor de Circuitos"); setSize(400,300); CircuitPanel panel=new CircuitPanel(); getContentPane().add(panel); Circuit circuit = new Circuit(panel); panel.setCircuit(circuit); MiMenuBar menuBar = new MiMenuBar(circuit,panel); setJMenuBar(menuBar); getContentPane().add(panel); } }