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# Class java.io.OptionalDataException

    java.lang.Object
       |
       +----java.lang.Throwable
               |
               +----java.lang.Exception
                       |
                       +----java.io.IOException
                               |
                               +----java.io.ObjectStreamException
                                       |
                                       +----java.io.OptionalDataException

public class OptionalDataException
extends ObjectStreamException

Unexpected data appeared in an ObjectInputStream trying to read an Object. This exception occurs when the stream contains primitive data instead of the object expected by readObject. The eof flag in the exception is true to indicate that no more primitive data is available. The count field contains the number of bytes available to read.

##

eof
  True if there is no more data in the buffered part of the stream.
length
  The number of bytes of primitive data available to be read in the current buffer.

##

length

     public int length

  The number of bytes of primitive data available to be read in the current buffer.

eof

     public boolean eof

  True if there is no more data in the buffered part of the stream.

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