/** * Prints the sub-nodes of this object. See QueryTreeNode.java for how tree printing is supposed * to work. * * @param depth The depth to indent the sub-nodes */ public void printSubNodes(int depth) { for (int index = 0; index < size(); index++) { debugPrint(formatNodeString("[" + index + "]:", depth)); N elt = get(index); elt.treePrint(depth); } }