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Object-oriented Programming in C#
Exception Handling
* Fundamental Questions about Exception Handling
What is the motivation?
What is an error?
What is normal? What is exceptional?
Examples of normal and exceptional aspects
When are errors detected?
How are errors handled?
Where are errors handled?
* Conventional Exception Handling
Exception Handling Approaches
Mixing normal and exceptional cases
* Object-oriented Exception Handling
Errors as Objects
Classification of Errors
* Exceptions and Exception Handling in C#
Exceptions in a C# program
The try-catch statement C#
Handling exceptions in C#
The hierarchy of exceptions in C#
The class System.Exception in C#
Handling more than one type of exception in C#
Propagation of exceptions in C#
Raising and throwing exceptions in C#
Try-catch with a finally clause
Rethrowing an exception
Raising an exception in an exception handler
Comparison with exception handling in Java
* Recommendations about exception handling
Recommendations about exception handling
Recommendations about exception handling
What is the motivation?
Why should we care about errors and error handling?
Understand
the nature of errors
"An error is not just an error"
Prevent
as many errors as possible in the final program
Automatically - via tools
Manually - in a distinguished testing effort
Make programs more
robust
A program should,
while executing
, be able to resist and survive unexpected situations
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