public static void main(String[] args) {

        Menu menu = new Menu();

        //exibe menu inicial
        menu.showStart();
        menu.showHelp();

        int selected = 1;

        while (selected != 0)
        {
            selected = menu.selectOption();

            switch (selected)
            {
                case 1:
                    menu.showContainers();
                    break;
                case 2:
                    menu.createContainer();
                    break;
                case 3:

                    break;
                case 4:

                    break;
                case 5:

                    break;

                case 0:
                    System.exit(0);
                    break;
                default:
                    System.out.println("Opção invalida");
            }
        }

    }