Object Oriented Software Engineering   View all facts   Glossary   Help

subject > representation > coding technique > diagram > UML diagram > state diagram

state diagram
subject			fact

state diagram	can be nested inside a state of another state diagram
	contains one or more end states
	contains only one start state
	has definition A UML diagram showing states and transitions, used to describe the externally visible behaviour of a system or of an individual object
	describes the externally visible behaviour of a system or of an individual object
	has part action symbol
	has part activity symbol
	has part end state
	has part guard condition
	has part start state
	is a subtopic of 5.1 - What is UML?
	is a kind of UML diagram
	shows how systems behave internally
	usually shows states and events concerning only one class
UML diagram	see also Unified Modelling Language
diagram	has advantages it conveys or summarizes complex concepts or mechanisms more easily than other techniques
	has problems can be hard for users to interact with or interpret not usable by blind people it can be expensive to program diagram drawing software
	should have a label if its meaning is not obvious, using a caption or pop-up label that appears when the user moves the mouse over it

Next UML diagram: subsystem diagram    Up: UML diagram    Previous UML diagram: package diagram