<s>[INST] null object to empty string nullstrtoempty null = '' '' ; nullstrtoempty '' '' = '' '' ; nullstrtoempty `` aa '' = `` aa '' ; concode_field_sep PlaceHolder placeHolder concode_field_sep Long[] transformLongArray concode_elem_sep long[] transformLongArray concode_elem_sep int compare concode_elem_sep Integer[] transformIntArray concode_elem_sep int[] transformIntArray concode_elem_sep boolean isEquals [/INST] String function ( Object arg0 ) { return ( arg0 == null ? "srini_string" : ( arg0 instanceof String ? ( String ) arg0 : arg0 . toString ( ) ) ) ; </s>