Model-Based Requirements Documentation - Requirements Modeling in the Behavioral Perspective - UML State Diagrams

3 important questions on Model-Based Requirements Documentation - Requirements Modeling in the Behavioral Perspective - UML State Diagrams

In UML state diagrams, which are based on the principles of finite state machines, the following modeling elements are used:

  1. State
  2. Startand end states
  3. State transition
  4. Concurrency

UML state diagram is?

UML offers so-called state machines that are essentially based on statecharts in order to model reactive system behavior. Modeling elements have been adopted from state charts with some extensions.

What are the characteristics of a State diagram?

  • For depicting system behavior, Unified Modeling Language (UML) offers state chart diagram.
  • State: A period of time in which a system shows a particular behavior and awaits for particular event(s) to occur
  • Comprises of:
    • Start State (Origin state)
    • Transition state
    • Final State

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