Chapter 4. Errors and Exceptions
As software developers, we often daydream of a Utopian world of bug-free software—developed under the shade of a palm tree on a remote island while sipping a long, fruity cocktail. But, alas, back in the real world, hordes of developers sit in cubicle farms gulping acrid coffee, fighting bugs that are not always their fault or under their control in any way.
Exceptions can occur in even the most stringently tested software, simply because it is not possible to check every error condition in advance. For instance, do you know what will happen if a janitor, while cleaning the data-center floor, accidentally slops some mop water into the fan enclosure of the database server? It might crash, or it might not; it might ...
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