5 Questions
What is the primary purpose of a sequence diagram?
To show the sequence of interactions between objects
What do lifelines represent in a sequence diagram?
The timeline of an object's existence
What is the purpose of the vertical axis in a sequence diagram?
To model the flow of time
What do arrows in a sequence diagram typically represent?
Messages sent between objects
What type of interactions do sequence diagrams focus on?
Behavioral interactions between objects
Study Notes
Sequence Diagrams
- The primary purpose of a sequence diagram is to show the interactions between objects in a system, emphasizing the order of events and the communications between objects.
Components of a Sequence Diagram
- Lifelines in a sequence diagram represent the instances of classes, objects, or roles that participate in the interactions.
Visual Representation
- The vertical axis in a sequence diagram represents time, with the top of the diagram indicating the earliest events and the bottom indicating the latest events.
Interaction Representation
- Arrows in a sequence diagram typically represent the flow of messages, requests, or responses between objects, indicating the interactions and communications between them.
Interaction Focus
- Sequence diagrams focus on the dynamic interactions between objects, highlighting the sequence of events, the flow of control, and the data exchanged between objects.
Test your knowledge of sequence diagrams, including their purpose, lifelines, and interactions. Learn about the basics of sequence diagrams and how they are used in system design.
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