Miscellany

	public int getLeafCount() {		return getLeafCount(root);	}		private int getLeafCount(Node currentNode) {		if(currentNode == null) {			return 0;		} else if(currentNode.left == null && currentNode.right == null) {			return 1;		}		return getLeafCount(currentNode.left)+getLeafCount(currentNode.right)	}