States
Figure C.5 shows a UML statechart diagram. Following are notes on illustrating states.
Figure C.5. A statechart diagram shows transitions from state to state.
Show a state in a rectangle with rounded corners.
Show state transitions with open arrows.
A statechart need not map directly to a class diagram or an object diagram, although you may arrange for a direct translation, as Figure 22.3 in Chapter 22, State, shows on page 230.
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