print usage message exit with error code . concode_field_sep int port concode_elem_sep String host concode_elem_sep ArrayList<Event> events concode_elem_sep ArrayList<Broker> subscribers concode_field_sep boolean subscribe concode_elem_sep boolean unsubscribe concode_elem_sep boolean leave concode_elem_sep boolean publish concode_elem_sep void sendEventDetails concode_elem_sep void main concode_elem_sep boolean join concode_elem_sep void printSubscribers
void function ( int arg0 ) { switch ( arg0 ) { case 401 : System . err . println ( "srini_string" ) ; break ; default : break ; } System . exit ( arg0 ) ; }