What are the three different types of message arrows?
(a) Synchronous, asynchronous, asynchronous with instance creation
(b) Self, Multiplied, instance generator
(c) Synchronous, Asynchronous, synchronous with instance creation
(d) None of the mentioned
This question was posed to me in an international level competition.
This intriguing question comes from UML Sequence Diagrams topic in chapter Unified Modelling Language of Software Architecture