LECTURE 64 – OOAD –UML STATE MACHINE DIAGRAM FOR LIBRARY MANAGEMENT SYSTEM - BCA SEM 6
A state–chart diagram shows a state machine that depicts the control flow of an object from one state to another. A state machine portrays the sequences of states which an object undergoes due to events and their responses to events.
State–Chart Diagrams comprise of −
• States: Simple or Composite
• Transitions between states
• Events causing transitions
• Actions due to the events
State-chart diagrams are used for modeling objects which are reactive in nature.