A systems analyst draws a lifeline with an X at the end. This lifeline represents _____.
A) a message that cannot be delivered
B) an object that is destroyed at a point in time
C) a message that is delivered at that point in time
D) an object that is complete at that point in time
E) an object that arrives at its final destination

Question

Quizplus · Accepted Answer

In UML (Unified Modeling Language) sequence diagrams, a lifeline represents an individual participant in the interaction. Drawing an X at the end of a lifeline denotes that the object or instance the lifeline represents is destroyed at that point in time.

A Systems Analyst Draws a Lifeline with an X at the End