Brief about UML Statechart Diagram? | UML Interview Question

Statechart diagrams are one of the five diagrams used for modeling dynamic nature of a system. These diagrams are used to model the entire life cycle of an object. Activity diagram is a special kind of Statechart diagram.

State of an object is defined as the condition where an object resides for a particular time and the object again moves to other states when some events occur. Statechart diagrams are also used for forward and reverse engineering.