protected void btnSairActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnSairActionPerformed
       if(JOptionPane.showConfirmDialog(rootPane, "Você tem certeza que deseja sair ?","",JOptionPane.OK_CANCEL_OPTION) == 0){
           this.dispose();
       }
    }//GEN-LAST:event_btnSairActionPerformed