question: gets a friend at a given index concode_field_sep int lastAssignedId concode_elem_sep double PI concode_elem_sep String name concode_elem_sep int destination concode_elem_sep int id concode_elem_sep ArrayList<Person> friends concode_field_sep void addFriend concode_elem_sep String getName concode_elem_sep int getDestination concode_elem_sep void removeMeanFriends concode_elem_sep int find concode_elem_sep String getFriends concode_elem_sep String getFriends concode_elem_sep void unfriend concode_elem_sep String toString concode_elem_sep void talkTo concode_elem_sep int getNumFriends
target: String function ( int arg0 ) { return friends . get ( arg0 ) . name ; }