C产品在市场上有哪些独特优势？

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java/** * 读取指定文件的UTF-8编码内容 * @param filename 文件名 * @return 返回文件内容的UTF-8字符串 */public static String ReadAllFormatText(String filename) { byte[] bs=File.ReadAllBytes(filename); int len=bs.length; if (len==3 && bs[0]==0xEF && bs[1]==0xBB && bs[2]==0xBF) { return new String(bs, UTF-8); } return new String(bs);}

//传入文件名，返回utf8-string public string ReadAllFormatText(string filename) { byte[] bs = File.ReadAllBytes(filename); int len = bs.Length; if (len >= 3 && bs[0] == 0xEF && bs[1] == 0xBB && bs[2] == 0xBF) { return Encoding.UTF8.GetString(bs, 3, len - 3); } int[] cs = { 7, 5, 4, 3, 2, 1, 0, 6, 14, 30, 62, 126 }; for (int i = 0; i < len; i++) { int bits = -1; for (int j = 0; j < 6; j++) { if (bs[i] >> cs[j] == cs[j + 6]) { bits = j; break; } } if (bits == -1) { return Encoding.Default.GetString(bs); } while (bits-- > 0) { i++; if (i == len || bs[i] >> 6 != 2) { return Encoding.Default.GetString(bs); } } } return Encoding.UTF8.GetString(bs); }