updating JTree in java GUI

Question

I used a JTree in my GUI and added it to a JFrame. When I want to update it and change it\'s nodes in another part of my program (while program is running, as an action performe

Answer 1

In addition to the insertNodeInto suggestion you can also use:

DefaultTreeModel model = (DefaultTreeModel)tree.getModel();
DefaultMutableTreeNode root = (DefaultMutableTreeNode)model.getRoot();
root.add(new DefaultMutableTreeNode("another_child"));
model.reload(root);