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You should use sequence diagrams when you want to look at the behaviour of several objects within a single use case. Sequence diagrams are good at showing collaborations among the objects.
What is a UML sequence diagram? 4 • Sequence diagram: an “interaction diagram” that models a single scenario executing in a system • 2nd most used UML diagram (behind class diagram) • Shows what messages are sent and when • Relating UML diagrams to other design artifacts: • CRC cards → class diagrams • Use cases → sequence ...
In UML, a use case is “the specification of a sequence of actions, including variants, that a system (or entity) can perform, interacting with actors of the system.” Typically each use case includes a primary scenario ( or main course of events) and zero or more secondary scenarios that are alternative courses of events to the primary scenario.
Summary: From The Rational Edge series of articles, .UML basics, on the essential diagrams in the Unified Modeling Language, this article offers a detailed introduction to the sequence diagram. It also introduces several new notation elements in the recent UML 2.0 specification.
12 gru 2022 · Sequence diagrams, commonly used by developers, model the interactions between objects in a single use case. They illustrate how the different parts of a system interact with each other to carry out a function, and the order in which the interactions occur when a particular use case is executed.
A sequence diagram is an interaction diagram that emphasizes the time-ordering of messages. It depicts the objects and classes involved in the scenario and the sequence of messages exchanged between the objects needed to carry out the functionality of the scenario.
10 paź 2024 · A Sequence Diagram is a key component of Unified Modeling Language (UML) used to visualize the interaction between objects in a sequential order. It focuses on how objects communicate with each other over time, making it an essential tool for modeling dynamic behavior in a system.
