question: get the distance of the 2 strings , using the costs 1 for insertion , deletion and substitution . concode_field_sep LevenshteinDistance s_aInstance concode_field_sep int _getDistance111 concode_elem_sep int _getDistance
target: int function ( @ Nullable final char [ ] arg0 , @ Nullable final char [ ] arg1 ) { final int loc0 = arg0 == null ? 0 : arg0 . length ; final int loc1 = arg1 == null ? 0 : arg1 . length ; if ( loc0 == 0 ) return loc1 ; if ( loc1 == 0 ) return loc0 ; return _getDistance111 ( arg0 , loc0 , arg1 , loc1 ) ; }