What Are Statechart Diagrams? A statechart diagram shows a state machine. It specifies the sequence of states that an object can be in: The events and conditions that cause the object to reach those states The actions that take place when those states are reached Sample Sample State 1 State 2 Object Oriented Analysis and DesignObject Oriented Analysis and Design 4 What Are Statechart Diagrams?  A statechart diagram shows a state machine.  It specifies the sequence of states that an object can be in: ▪ The events and conditions that cause the object to reach those states ▪ The actions that take place when those states are reached Sample State 1 Sample State 2