ch += (int) '0';
ch += '0';
	protected static String intToHex(int l) {		byte[] buffer = new byte[8];		int count = 8;		do {			int ch = (l & 0xf);			if (ch > 9)				ch = ch - 10 + (int) 'a';			else				ch += (int) '0';			buffer[--count] = (byte) ch;			l >>= 4;		} while (count > 0);		return new String(buffer);	}