11+ A Sequence Diagram. When you create a sequence diagram, lifelines and messages are the most important components. Sequence diagrams show object interactions arranged in a time sequence (refer figure 5.10).
It depicts the objects involved in the scenario and the sequence of messages exchanged between the objects needed to carry out the functionality of the scenario. This sequence diagram tutorial is to help you understand sequence diagrams better; The main purpose of a sequence diagram is to define event sequences that result in some when drawing a sequence diagram, lifeline notation elements are placed across the top of the diagram.
In a sequence diagram, a lifeline is represented by a.
11+ A Sequence Diagram. A uml sequence diagram shows how a set of objects interact in a process over time. As you can guess from its name, the sequence diagram shows the order in which interactions take place. A sequence diagram shows object interactions arranged in time sequence. What is a sequence diagram?