12: Handling Exceptions
- Page ID
- 43735
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with the participation of:
Clément Bera (bera.clement@gmail.com)
All applications have to deal with exceptional situations. Arithmetic errors may occur (such as division by zero), unexpected situations may arise (file not found), or resources may be exhausted (network down, disk full, etc.). The old-fashioned solution is to have operations that fail return a special error code; this means that client code must check the return value of each operation, and take special action to handle errors. This leads to brittle code.
With the help of a series of examples, we shall explore all of these possibilities, and take a closer look into the internal mechanics of exceptions and exception handlers.