public void SuperViserMenu() { bool flag = true; while (flag) { printAboutControlMembers.SuperViserModeMenu(); mode = Console.ReadLine(); switch (mode) { case LibraryConstants.MEMBER_CONTROL: MemberManagement(); break; case LibraryConstants.BOOK_MANAGEMENT: BookManagement(); break; case LibraryConstants.CHECK_LOG: CheckLog(); break; case LibraryConstants.GO_BACK: flag = false; break; default: break; } } }