Review

class RandomAccessFileOrArray {
    /**
     * Reads a signed 16-bit number from this stream in little-endian order.
     * The method reads two
     * bytes from this stream, starting at the current stream pointer.
     * If the two bytes read, in order, are
     * <code>b1</code> and <code>b2</code>, where each of the two values is
     * between <code>0</code> and <code>255</code>, inclusive, then the
     * result is equal to:
     * <blockquote><pre>
     *     (short)((b2 &lt;&lt; 8) | b1)
     * </pre></blockquote>
     * <p>
     * This method blocks until the two bytes are read, the end of the
     * stream is detected, or an exception is thrown.
     *
     * @return     the next two bytes of this stream, interpreted as a signed
     *             16-bit number.
     * @exception  EOFException  if this stream reaches the end before reading
     *               two bytes.
     * @exception  IOException   if an I/O error occurs.
     */
    public final short readShortLE() throws IOException {
        int ch1 = this.read();
        int ch2 = this.read();
        if ((ch1 | ch2) < 0)
            throw new EOFException();
        return (short)((ch2 << 8) + (ch1 << 0));
    }

}