C# Primer Plus

Chapter 19

Answers to Chapter 19 Review Questions

1:	List three examples of typical exceptions.
A1:	Dividing by zero, running out of memory, accessing a non-existent file.
2:	What are the advantages of handling exceptions with try-catch-finally?
A2:	The normal case code and exception handling code can be kept separate. Exceptions can be handled gracefully without exposing the end user to cryptic looking code.
3:	Which class is at the top of the exceptions class hierarchy?
A3:	System.Exception
4:	How many catch and finally blocks can be attached to a try block?
A4:	Zero, one or many catch blocks, and zero or one finally block. However, at least one block (it can either be a catch or a finally block) must be attached to a try block.
5:	What happens to ...