Icon class icon_class fas fa-quote-left icon_class_computed fas fa-quote-left Related content UML2 ValueSpecification - metaclasses - ADVANCED REFERENCE ONLY Source Unified Modeling Language 2.5.1 Copyright information About Object Management Group copyright in text extracts quoted from OMG specifications for educational purposes Snippet kind SEMANTIC UML keywords LiteralNull MultiplicityElement value Previous snippet A LiteralNull is intended to be used to explicitly model the lack of a value. Full quote In the context of a MultiplicityElement with a multiplicity lower bound of 0, this corresponds to the empty set (i.e., a set of no values). It is equivalent to specifying no values for the Element. Next snippet Related snippets Related snippets (backlinks) The notation for a LiteralNull varies depending on where it is used. It often appears as the word “null.” Other notations are described elsewhere for specific uses. Visit also Visit also (backlinks) Flags
