Software engineering

Activity diagrams are the object oriented equivalent of flow charts and data flow diagrams from structured development Activity diagrams ...

A transition is a relationship between two states that indicates when event occurs that the object will move to another state. For example...

An event is a significant or noteworthy occurrence For example a phone is taken of the hook The event which trigger a state change can...

A state is the condition of an object at an instance of time. For example a phone is in an idle state it is taken off the hook A ...

One way to characterize change in a system is to say that its objects change their state in response to events and to time e.g. When you...

A state diagram will represent the changes that can occur in an object. Objects can change their state in response to events and time ...

It is possible to further define a class definition in the UML through the specification of the class's specific responsibilities The...