Solid arrowheads used for messages on a sequence diagram represent:
A) inheritance relationships.
B) return parameters.
C) asynchronous messages.
D) synchronous calls.

Question

Quizplus · Accepted Answer

Solid arrowheads used for messages on a sequence diagram represent synchronous calls. In synchronous calls, the sender waits for a response from the receiver before continuing its execution.

Solid Arrowheads Used for Messages on a Sequence Diagram Represent