e = depthFirstEnumeration();
enum = depthFirstEnumeration();
	public int getLeafCount() {		// Variables		Enumeration	e;		int			count;		TreeNode	current;		// Get Enumeration of all descendants		e = depthFirstEnumeration();		// Process Nodes		count = 0;		while (e.hasMoreElements() == true) {			current = (TreeNode) e.nextElement();			if (current.isLeaf() == true) {				count++;			} // if		} // if		return count;	} // getLeafCount()