Sequence Diagram If Else. The sequence is used to draw a message between two participants. When using if else if else statements there are a few points to keep in mind.
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Sequence diagrams are organized according to time. Loop loop condition or items to loop over. The sequence is used to draw a message between two participants.
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.
If opt condition if else alt condition separated by horizontal dashed line. Uml sequence diagrams are used to show how objects interact in a given situation. The interaction starts near the top of the diagram and ends at the bottom i e. To test whether x is greater than y in the uml an object in a sequence diagram is drawn as a rectangle containing the name of the object underlined.
