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Unified Modeling Language User Guide, The, Second Edition by Ivar Jacobson, James Rumbaugh, Grady Booch

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Chapter 22. State Machines

In this chapter

Using an interaction, you can model the behavior of a society of objects that work together. Using a state machine, you can model the behavior of an individual object. A state machine is a behavior that specifies the sequences of states an object goes through during its lifetime in response to events, together with its responses to those events.

You use state machines to model the dynamic aspects of a system. For the most part, this involves specifying the lifetime of the instances of a class, a use case, or an entire system. ...

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