Choose the correct answer:
Which statement is correct about redefinition of simple States?
In UML, a simple State can indeed be redefined, but the specifics of how it is redefined matter:
A is incorrect as redefinition of States, including simple States, is permitted.
B is correct. A simple State can be effectively removed or altered through redefinition in a derived StateMachine, which could include changing its type or characteristics.
C suggests that a simple State can be turned into a composite State. While theoretically possible in the context of redefinition, this option might be considered a significant alteration that could be misleading without additional context.
D is incorrect; UML does support State Redefinition.
UML Specification, particularly the sections on Redefinition and StateMachines.
Detailed rules on state redefinition are outlined in the UML 2.5 Documentation, specifically under StateMachine specializations.
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