![]() ![]() ![]() In addition, this diagram helps software engineers and developers figure out what an online shopping system should look like and describes the process that is already in place. Once you list down all the objects, actors, lifelines, and messages you get a complete visual representation of how a system works. The Sequence Diagram for Online Shopping System is an interaction diagram that shows the series of objects and messages and how they interact through the system.Sequence diagrams show the order of interaction in a system by moving down the lifeline with each message.Messages are notations that show the information being sent between objects.This involves thinking of all the steps an actor must complete for a given task. ![]()
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