public static void main(String[] args) throws UnsupportedEncodingException {
        String c = "中";
        byte[] bs = c.getBytes("GBK");
        for (int i = 0; i < bs.length; i++) {
            System.out.print(byteToBit((byte) bs[i]));
            System.out.print(" "
 
);
        }
    }

    // 把位元組轉換成bit字串
    public static String byteToBit(byte b) {
        return "" + (byte) ((b >> 7) & 0x1) + (byte) ((b >> 6) & 0x1) + (byte) ((b >> 5) & 0x1) + (byte) ((b >> 4) & 0x1)
                + (byte) ((b >> 3) & 0x1
 
) + (byte) ((b >> 2) & 0x1)
                + (byte) ((b >> 1) & 0x1) + (byte) ((b >> 0) & 0x1);
    }
    

上例的“中”的輸出結果：11010110 11010000