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java.io.IOException seems to be the most common type of exception, and coincidentally, it seems to also be the most ambiguous.
I keep seeing the throws IOException whenever writing with sockets, files, etc. I've never actually had one fired on me, however, so I'm wondering what it is that is supposed to fire the exception. The documentation isn't very helpful in explaining what's going on:
Signals that an I/O exception of some sort has occurred. This class is the general class of exceptions produced by failed or interrupted I/O operations.
What are some instances where an IOException would be thrown, and how is it supposed to be used?
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It can throw an IOException when the either the stream itself is corrupted or some error occurred during reading the data i.e. Security Exceptions, Permission Denied etc and/or a set of Exceptions which are derived from IOEXception .
In general, I/O means Input or Output. Those methods throw the IOException whenever an input or output operation is failed or interpreted. Note that this won't be thrown for reading or writing to memory as Java will be handling it automatically.
IOException - Exception thrown when there has been an Input/Output (usually when working with files) error.
IOException is the base exception class used for handling the failures. In a method of a class, try, catch, and finally block handles the exception. The application API class methods throw an IOException or its subclasses.
Assume you were:
There are many more examples, but these are the most common, in my experience.
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