Method getTagCode

java/Chapter 17/Question17_10/QuestionString.java:159–165

(String tag)

	}

	private byte getTagCode(String tag) throws IOException {
		Byte tagCode = tagMap.get(tag);
		if (tagCode == null) {
			throw new IOException("Unknown tag: " + tag);
		}
		return tagCode;
	}

	public static void main(String args[]) {
		try {