n
bytes of data from this input stream. The skip
method may, for a variety of reasons, end up skipping over some smaller number of bytes, possibly 0
. This may result from any of a number of conditions; reaching end of file before n
bytes have been skipped is only one possibility. The actual number of bytes skipped is returned. If n
is negative, no bytes are skipped.
@param n the number of bytes to be skipped.
@return the actual number of bytes skipped.
@exception IOException if the stream does not support seek,or if some other I/O error occurs.
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