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What is correct sequence diagram?
A sequence diagram is a Unified Modeling Language (UML) diagram that illustrates the sequence of messages between objects in an interaction. A sequence diagram consists of a group of objects that are represented by lifelines, and the messages that they exchange over time during the interaction.
What is true about sequence diagram?
A sequence diagram is a type of interaction diagram because it describes how—and in what order—a group of objects works together. These diagrams are used by software developers and business professionals to understand requirements for a new system or to document an existing process.
How do you represent asynchronous call in sequence diagram?
Diagram building blocks Solid arrow heads represent synchronous calls, open arrow heads represent asynchronous messages, and dashed lines represent reply messages.
Which is the best description of a sequence diagram?
Sequence Diagrams are time focus and they show the order of the interaction visually by using the vertical axis of the diagram to represent time what messages are sent and when. Sequence Diagrams captures: the interaction that takes place in a collaboration that either realizes a use case or an operation (instance diagrams or generic diagrams)
How to specify the reference fragment in a sequence diagram?
To specify the reference fragment, you have to mention ‘ref’ in the name box of the frame and the name of the sequence diagram that is being referred to inside the frame. For more sequence fragments refer to Beyond the Basics of Sequence Diagrams: Part 1, Part 2 and Part 3.
Can you make a sequence diagram in edrawmax?
The sequence diagram is one kind of language in UMLs. EdrawMax Online is a quick-start sequence diagram maker, which enables you to create diagrams in minutes. Except the sequence diagram, it supports to make over 280 types of diagrams, and with substantial tempaltes, making deployment diagrams could be easier.
When does an interaction occur in a sequence diagram?
In a sequence diagram, an interaction between two objects occurs when one object sends a message to another.