Which of the following statement is true?
(a) A transition is a change from one state to another
(b) Transitions may be spontaneous, but usually some event triggers them
(c) An event is a noteworthy occurrence at a particular time; events have no duration
(d) All of the mentioned
This question was posed to me in an interview for job.
This key question is from UML State Diagrams topic in division Unified Modelling Language of Software Architecture