Uml Diagrams Reference Guide. Plantuml can be used within many other tools. More detail on the uml with the bigger books such as the user guide booch uml user or the reference manual rumbaugh uml reference.
Uml use case diagram. Uml state machine diagram. So simply a state diagram is used to.
It is used for general.
A state diagram is used to represent the condition of the system or part of the system at finite instances of time. Uml diagrams are the output of the unified modeling language. It is probably because it has in the past been difficult to automatically draw precisely what you want other than a vast entity relationship diagram. However you can do it without buying any third party tool just using some existing java based open source tools.