question: remove first instance of flight from database . concode_field_sep long serialVersionUID concode_elem_sep ArrayList<Client> clients concode_elem_sep HashMap<String,ArrayList<Flight>> flights concode_elem_sep ArrayList<Admin> admins concode_field_sep HashMap<String,ArrayList<Flight>> getFlights concode_elem_sep ArrayList<Client> getClients concode_elem_sep void AddFlight concode_elem_sep void EditInfo concode_elem_sep void EditInfo concode_elem_sep ArrayList<Admin> getAdmins concode_elem_sep ArrayList<Flight> allFlights concode_elem_sep void uploadFlights concode_elem_sep ArrayList<Flight> searchFlights concode_elem_sep void AddAdmin concode_elem_sep void AddClient concode_elem_sep void uploadClients concode_elem_sep void EditClient concode_elem_sep void EditClient concode_elem_sep Client searchClient
target: void function ( Flight arg0 ) { this . flights . remove ( arg0 ) ; }