question: if both parameters are null , returns true . if one parameter is null and the other is n't , returns false . otherwise , returns o1.equals o2 . concode_field_sep String newLine concode_field_sep String convertToHexString concode_elem_sep String hangingParagraph concode_elem_sep boolean iff concode_elem_sep String toNColsStr concode_elem_sep int occurCount concode_elem_sep boolean implies concode_elem_sep String createArgListJVML concode_elem_sep List<String> toNCols concode_elem_sep boolean isJavaIdentifier
target: boolean function ( Object arg0 , Object arg1 ) { if ( arg0 == null ) { return arg1 == null ; } if ( arg1 == null ) { return false ; } return ( arg0 . equals ( arg1 ) ) ; }