What is the notation of an asynchronous message in a sequence diagram?

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Study for the OCSMP Level 1 Behavioral Test. Prepare with flashcards and multiple choice questions, each question comes with hints and explanations. Get ready to ace your exam!

Multiple Choice

What is the notation of an asynchronous message in a sequence diagram?

Explanation:
In sequence diagrams, the style of the line and the arrowhead indicate whether the sender waits for a response. An asynchronous message is shown as a dashed line with a hollow (open) arrowhead, signaling that the sender continues without blocking for a reply. If the message were synchronous, it would be a solid line with a filled arrowhead, representing a blocking call. So the notation for an asynchronous message is a dashed line with an open arrowhead.

In sequence diagrams, the style of the line and the arrowhead indicate whether the sender waits for a response. An asynchronous message is shown as a dashed line with a hollow (open) arrowhead, signaling that the sender continues without blocking for a reply. If the message were synchronous, it would be a solid line with a filled arrowhead, representing a blocking call. So the notation for an asynchronous message is a dashed line with an open arrowhead.

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