create an array of records from an input stream @ param in the stream to which to the records @ param length the number of bytes to be written @ exception ioexception if an i / o error occurs
for the given slide , this is { @ code 0 x 5 4 2 0 } or { @ code 0 x 3 5 5 0 } @ return the record ‘ s data as the { @ code null } if it wasn ‘ t found
@ throws illegalstateexception if cell comments with an existing value , throws otherwise when