public static byte[] multiple(byte[] srcBytes, int multiNum) {
        if (multiNum <= 0) {
            return new byte[0];
        }
        byte[] result = new byte[srcBytes.length * multiNum];
        for (int i = 0; i < multiNum; i++) {
            System.arraycopy(srcBytes, 0, result, i * srcBytes.length, srcBytes.length);
        }
        return result;
    }
Create a byte array which is multiple given bytes

@return byte array
stroom-bytebuffer/src/main/java/stroom/bytebuffer/hbase/Bytes.java