Method track

java/Chapter 11/Question11_8/Question.java:11–17

(int number)

	private static RankNode root = null;
	
	public static void track(int number) {
		if (root == null) {
			root = new RankNode(number);
		} else {
			root.insert(number);
		}
	}
	
	public static int getRankOfNumber(int number) {
		return root.getRank(number);