Questions about C#

1. An interface does not define any implementation. Since you must write the implementation yourself, what is the advantage implementing an interface rather than writing your own methods?

2. Give an example of some classes where inheritance would not be appropriate. Explain why inheritance is not appropriate, and describe what relationship is appropriate.

3. Examine the form design.The elements you will be reading from have been named txtStreet, txtSuburb, txtPostcode, cboState.

a. Why might the developer have done this rather than using the default names provided by the form designer?

b. What would you expect the Suburb label and Back button to be named?