int fileCode, fileLength, contentLength, Offset, numShapes; fileCode = _leis.readInt();
_leis.readInt();
    public int[][] getIndex() {        int[][] indexData = null;        try {            int fileCode, fileLength, contentLength, Offset, numShapes;            fileCode = _leis.readInt();            _leis.skipBytes(20);            fileLength = _leis.readInt();            numShapes = (fileLength - 50) / 4;            indexData = new int[2][numShapes];            _leis.skipBytes(4);            byte[] intBytes = new byte[4];            _type = _leis.readLEInt();            _leis.skip(64);            for (int i = 0; i <= numShapes - 1; i++) {                indexData[0][i] = _leis.readInt();                indexData[1][i] = _leis.readInt();            }        } catch (IOException e) {            e.printStackTrace();            return null;        }        return indexData;    }