Web sequence diagram meaning1/17/2024 ![]() 1 UML provides a standard notation for many types of diagrams which can be roughly divided into 3 main groups: behavior diagrams, interaction diagrams, and structure diagrams. Mapping & DiagrammingDiagrammingDevelopment. Sequence diagram describes an interaction by focusing on the sequence of messages that are exchanged, along with their corresponding occurrence specifications on the lifelines. ![]() Another way of looking at it is that the user is outside the scope of the program, so it doesn't make sense to return results directly. The Unified Modeling Language ( UML) is a general-purpose modeling language that is intended to provide a standard way to visualize the design of a system. Here are some of the features of our Sequence Diagram editor: Drag-to-create lifeline and sequence messages. It is a UML diagram that highlights the sequence of messages passed between objects within an application. Sequence diagram is the most common kind of interaction diagram, which focuses on the message interchange between a number of lifelines. I would not have return arrows for operations by the user, such as login(), as the results are not returned to the user in the same manner as an object, but normally outputted to some kind of UI. ![]() ) do not have return arrows as they implicitly return the instantiated object In the case of methods/functions that return a result, it would indicate a value is being returned. The return line represents the flow of control returning from a method/function call ![]()
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