Java中国語とアルファベットと16進ASCIIコードの変換

	/**
	 *            16  
	 * @param letter
	 * @return
	 */
	public static String letterToH(String letter) {
		StringBuilder sb = new StringBuilder();
		for (int i = 0; i < letter.length(); i++) {
			char c = letter.charAt(i);
			sb.append(Integer.toHexString(c));
			sb.append(", ");
		}
		sb.deleteCharAt(sb.length() - 2);
		return sb.toString();
	}

	/**
	 * 16       
	 * @param hex      16   ，     
	 * 		 ：53,68,61,64,6f,77
	 * @return
	 */
	public static String hexTolLetter(String hex) {
		StringBuilder sb = new StringBuilder();
		String[] split = hex.split(",");
		for (String str : split) {
			int i = Integer.parseInt(str, 16);
			sb.append((char)i);
		}
		return sb.toString();
	}