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In this Application, use the WestEast College case to create a behavioral model that depicts the system’s interactions with the students. Using one use case as your basis, perform the following steps:

Create a sequence diagram.
Create a communication diagram.
Create a behavioral state machine diagram.
Perform a CRUD analysis.
Justify the choices you made in your behavioral model.
Briefly explain the relationship between your behavioral model and your structural and functional models you created in the last unit.
Cite your sources according to APA guidelines.
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A behavioral model diagrams what activities occur within the system. Contrast this to the functional model, which depicts the activities that occur from the user’s point of view—the external perspective. With behavioral modeling, you capture the internal perspective—how activities occur from the system’s point of view.

Behavioral models comprise communication diagrams and sequence diagrams. These diagrams show the messages that objects send and receive and the order of those messages. Behavioral models also include state machine diagrams, which indicate what happens to each of the objects in the system once those messages, or interactions, occur.