A system can best to understood by
first examining its static structure, the structure of its objects and their
relationship to each other at a single moment in time. Now we examines changes
to the objects and their relationship overtime. Those aspect of a system that
are concerned with time and changes are dynamic model.
the major dynamic modeling concept are :
· Events
· External stimuli
· States
Difference between state diagram and object diagram are following :
a)the state diagram is a standard computer science concept that has been
handled in different ways depending upon its use.
b) a state diagram is a network of states and events.
c)an object diagram is a network of class and relationship.
d)the dynamic models consists of multiple state
diagram, one state diagram for each class with important dynamic behavior and
shows the pattern of activity for an entire system.
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