question: input object o is not required to be an object added previously . concode_field_sep int lastNumber concode_elem_sep E lastElement concode_elem_sep Map<E,E> objContainer concode_elem_sep int cur concode_elem_sep Numberable[] numberToObj concode_elem_sep int filledCells concode_field_sep void add concode_elem_sep E next concode_elem_sep Iterator<E> iterator concode_elem_sep int size concode_elem_sep long get concode_elem_sep E get concode_elem_sep void clear concode_elem_sep void reassign concode_elem_sep boolean hasNext concode_elem_sep boolean remove concode_elem_sep void remove
target: E function ( E arg0 ) { return objContainer . get ( arg0 ) ; }