Build a simple sequence diagram to illustrate the relationships between objects in your Use Cases. Buid a collaboration diagram to see more detail about how objects in a sequence diagram relate.

Use Cases gain a high-level business view of what happens in the system. Sequence diagrams, provide detail about the interactions of objects in the system. The Collaboration diagram offers a different view of the same information as the Sequence diagram. Collaboration and sequence diagrams are sometimes referred to as Interaction diagrams.

After completing the lessons in this module you will know how to:

This module should take approximately 30 minutes to complete.

If users need to download data or prepare their environments before beginning the module, provide instructions for how to do this. If module prerequisites deviate from tutorial prerequisites, acknowledge this.

Create a sequence diagram of the interaction between a receptionist and a customer in a hotel business.

Create a collaboration diagram to see the relationships between the objects customer, reception, and diary.