in my javatest theres a issue with a variable in arraylist, index is an error: private static int shipShow$($ArrayList fleetList$)\{$

int count $=0$;

fleetList.remove$($index: $2)$;

fleetList.add$($new WarShip$("$USS John Warner", $2015,$ true, "attack submarine", "United States Navy"$))$;