Study the following method carefully which can be related to a certain class, decide what does it do? public void UnknownE item) { Node node = new Node(item Node parentenull, current chard firoot == null) root = node else current root while(current null) { parent -current if (current data node = new Node(item Node parentenull, current chard firoot == null) root = node else current root while(current null) { parent -current if (current data