The online shopping cart uses a sequence diagram to show how objects interact and how they happen sequentially. It shows objects that communicate within the online shopping cart, with messages going from them to each other down the process in a certain order. Sequence diagrams are good for showing how objects work together and in what order the events occur. The sequence diagram is used to look at the behavior of multiple objects within the online shopping cart.

UML Online Shopping Cart Sequence Diagram Description Because it depicts the interaction logic between the items in the system in the time order in which they occur, the sequence diagram is quite valuable. It’s a form of interaction diagram since it shows how a group of things interacts and in what sequence.Ī sequence diagram is a useful tool for documenting a system’s needs and fleshing out its architecture.

According to, a UML sequence diagram helps software engineers and business experts figure out what the project should perform and how to describe a process that is already in place.

Sequence diagram online code