Summary

5. Statecharts

Remarks.

a. Activities' diagram are conceptual statecharts where an operation is performed on each state. A transition appears when an operation/state finishes.
b. Timing diagram are simple graph with time on x-axis and active state on y-axis. This one can serve to detect undesirable configurations (e.g. heater on and window opened).

Example: how to model a Development Process ? A Gant diagram in th UML ?