returns the first of the given parameters that is not null if any , or otherwise throws nullpointerexception . concode_field_sep PlaceHolder placeHolder concode_field_sep boolean equal concode_elem_sep String deepToString concode_elem_sep boolean deepEquals concode_elem_sep int deepHashCode concode_elem_sep int hashCode concode_elem_sep T nonNull concode_elem_sep T nonNull
T function ( T arg0 , T arg1 ) { return arg0 != null ? arg0 : nonNull ( arg1 ) ; }