java.io
Interfaces 
Serializable
Classes 
InputStream
Exceptions 
CharConversionException
EOFException
FileNotFoundException
InterruptedIOException
InvalidClassException
InvalidObjectException
IOException
NotActiveException
NotSerializableException
ObjectStreamException
OptionalDataException
StreamCorruptedException
SyncFailedException
UnsupportedEncodingException
UTFDataFormatException
WriteAbortedException