void LogIn() { UI.DisplayUserNameLogIn(); userName = UI.GetUserInput(); UI.DisplayPassWordLogIn(); passWord = UI.GetUserInput(); if (management.CheckPreviousUserName(userName) == true) { if (management.CheckPassWordMatchToUserID(management.MatchUserNameToUserNameID(userName)) == false) { UI.DisplayIncorrectLogIn(); LogIn(); } else { userID = management.MatchUserNameToUserNameID(userName); statusLevel = management.MatchUserIDToUserStatus(userID); } } }