private void jButton1ActionPerformed( java.awt.event.ActionEvent evt) { // GEN-FIRST:event_jButton1ActionPerformed try { interfaces op; op = (interfaces) Naming.lookup("rmi://localhost/persistencia"); pre = op.buscaPregunta(Integer.parseInt(jTextField1.getText())); if (pre != null) { this.jLabel5.setText(Integer.toString(pre.getIdpregunta())); this.jTextField2.setText(pre.getPregunta()); this.jTextField3.setText(pre.getRespuestacorrecta()); this.jTextField1.setText(""); Examen c; c = op.buscaExamen(pre.getExamen().getIdexamen()); Materia t; t = op.buscaMateria(c.getMateria().getIdmateria()); this.jComboBox1.setSelectedItem( exa.getIdexamen() + "-" + t.getNombre() + "-" + exa.getParcial()); this.jTextField1.setText(""); } else { JOptionPane.showMessageDialog(null, "No existe"); } } catch (NotBoundException ex) { Logger.getLogger(PreguntasForm.class.getName()).log(Level.SEVERE, null, ex); } catch (MalformedURLException ex) { Logger.getLogger(PreguntasForm.class.getName()).log(Level.SEVERE, null, ex); } catch (RemoteException ex) { Logger.getLogger(PreguntasForm.class.getName()).log(Level.SEVERE, null, ex); } } // GEN-LAST:event_jButton1ActionPerformed