What Are Events? An event is the specification of a significant occurrence that has a location in time and space. An event is an occurrence of a stimulus that can trigger a state transition. Example: Adding a student to a course ·Creating a new course Event State A State B Object Oriented Analysis and Design 7Object Oriented Analysis and Design 7 What Are Events?  An event is the specification of a significant occurrence that has a location in time and space. ▪ An event is an occurrence of a stimulus that can trigger a state transition. ▪ Example: • Adding a student to a course • Creating a new course State A State B Event