The Façade Pattern

Review Questions

1.

How can a creational pattern help manage object destruction?

2.

How can properties help us write a more general-purpose Writer?

3.

How can an Abstract Factory help us write a more general-purpose Reader?

4.

What is auto_ptr used for?

5.

What is special about assignment between auto_ptr objects?

6.

We can create a FormModel in a number of ways. One approach is to create Question objects directly and add them. Another way is to create a FormModel from a DataObject. Why would we use one technique instead of the other?

7.

Name other examples of façades that we have worked with in the book. Explain why they are façades (or wrappers).

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