Each discussion need replay for other 2 students

DQ#1 – Domain Model Class Diagram vs. Design Class Diagram

Explain how domain model class diagram is different from design class diagram.


DQ#2 – Sequence Diagram and SSD

How does a sequence diagram differ from a System Sequence Diagram (SSD)? Which information do you need to be able to extend a System Sequence Diagram to a Sequence Diagram?


DQ#3 – Designing with CRC Cards vs. Sequence Diagrams

What is the difference between designing with CRC cards and designing with sequence diagrams? Which technique would you prefer? Why?


DQ#4 – Use case controller

What is the purpose of the use case controller?