The object implements the readExternal method to restore its
contents by calling the methods of DataInput for primitive
types and readObject for objects, strings and arrays. The
readExternal method must read the values in the same sequence
and with the same types as were written by writeExternal.
@param in the stream to read data from in order to restore the object
@exception IOException if I/O errors occur
@exception ClassNotFoundException If the class for an object being
restored cannot be found.
The object implements the readExternal method to restore its contents by calling the methods of DataInput for primitive types and readObject for objects, strings and arrays. The readExternal method must read the values in the same sequence and with the same types as were written by writeExternal.
@param in the stream to read data from in order to restore the object @exception IOException if I/O errors occur @exception ClassNotFoundException If the class for an object being restored cannot be found.