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Types of errors when receiving IOException

 
Ranch Hand
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Hi there:

I know that IOException is a general exception. I'm getting one. What types of errors does the IOException class cover?
For example: when I get FileNotFoundException, I know the file doesn't exit because that's the type of error the class covers.


Thanks
 
Bartender
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It means that you've had an Input/Output error. Either your program couldn't read from something or write to something that you programed it to read from or write to. There are a variety of reasons this might have occurred. Show us some code if you want more help.
 
Java Cowboy
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Did you have a look at the API documentation of IOException? It says:

API documentation wrote: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.


And there's a long list of subclasses, that are used for many different kinds of exceptions that might happen when doing I/O:

API documentation wrote:Direct Known Subclasses:

ChangedCharSetException, CharacterCodingException, CharConversionException, ClosedChannelException, EOFException, FileLockInterruptionException, FileNotFoundException, FilerException, HttpRetryException, IIOException, InterruptedIOException, InvalidPropertiesFormatException, JMXProviderException, JMXServerErrorException, MalformedURLException, ObjectStreamException, ProtocolException, RemoteException, SaslException, SocketException, SSLException, SyncFailedException, UnknownHostException, UnknownServiceException, UnsupportedDataTypeException, UnsupportedEncodingException, UTFDataFormatException, ZipException

 
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