1. Writing Effective Exceptions In Java
Parag Shah
http://www.diycomputerscience.com

2. Exceptions In Java
What were the old ways of error handling ?
http://rlc.vlinder.ca/blog/2010/01/error-handling-in-c/
What are Exceptions ?
Why should we use them ?

3. Exceptions In Java

4. Creating Custom Exceptions
Extend the Exception class for normal exceptions
Extend the RuntimeException class for runtime
exceptions
Extend Error for errors
Never extend Throwable
Redefine all constructors

6. Best Practices - Throwing
Using checked vs. unchecked Exception

7. Best Practices - Throwing
Throw early catch late

8. GUI Application Data
Encountered
problem...
throw an
GUI DataClass
Exception
Class imediately !
Application
Class
Handle the
Exception
as late as
possible

9. Best Practices - Throwing
Throw an appropriate Exception

11. GUI Application Data
Encountered
problem...
throw an
GUI DataClass
Exception
Class imediately !
Application
Class
Log the
exception
here

12. Best Practices - Catching
Do not suppress Exceptions

14. Best Practices - Catching
Do not catch high level Exceptions

16. Best Practices - Catching
Cleaning up with finally

18. Best Practices - Catching
Log Exceptions only once

19. Best Practices - Catching
Catching vs. Propagating

20. Exceptions Resources
Best practices with Exceptions -
http://www.wikijava.org/wiki/10_best_practices_with_Exceptions