new TreeExpansionHandler(tree); tree.setCellRenderer(new ObjectTreeCellRenderer());
new TreeExpansionHandler(tree); tree.setRootVisible(false); tree.setCellRenderer(new IdTreeCellRenderer());
new TreeExpansionHandler(tree); tree.setCellRenderer(new OAVTreeCellRenderer());
new TreeExpansionHandler(tree); RootNode root = new RootNode(model, tree); model.setRoot(root);