1. Draw a use case diagram of a library records system. 2. Draw a class diagram representing the relationship between travelers and the hotels in which they stay. 3. Draw a class diagram representing...

1.
Draw a use case diagram of a library records system.

2.
Draw a class diagram representing the relationship between travelers and the hotels in which they stay.

3.
Draw a class diagram representing the fact that a person is a generalization of an employee. Include some attributes that might belong to each.

4.
Convert into a complete sequence diagram.

5.
What role in the software engineering process do design patterns play?