Vòng for sau đây chứa bao nhiêu câu lệnh bên trong?

                                    for (int j = 1; j <= n; j++) {

                                                if (i % 2 != 0) {

                                                            System.out.print("A");

                                                } else {

                                                            System.out.print("B");

                                                }

                                    }