11. Rules to the Exceptions

1. 11.1. Exceptions
   1. 11.1.1. When Exceptions Arise
   2. 11.1.2. When to Use Exceptions
   3. 11.1.3. Check Your Understanding
2. 11.2. Handling Exceptions
   1. 11.2.1. Try/Catch/Finally
      1. 11.2.1.1. What to Catch
   2. 11.2.2. How to Avoid Exceptions
      1. 11.2.2.1. Validate User Input
      2. 11.2.2.2. Check For null References
   3. 11.2.3. Check Your Understanding
3. 11.3. Common Exception Objects
   1. 11.3.1. Check Your Understanding
4. 11.4. Exercises: Exceptions
   1. 11.4.1. Divide By Zero!
   2. 11.4.2. Test Student Labs