Java Delete JTree Node

How To Remove Selected Node From A JTree Using Java NetBeans

In this Java Tutorial we will see How To Delete The Selected JTree Node Using DefaultMutableTreeNode + DefaultTreeModel On Button Click Event In Java NetBeans .

Project Source Code:

private void jButtonRemoveNodeActionPerformed(java.awt.event.ActionEvent evt) {                                                  

        // get selected node

        DefaultMutableTreeNode selectedNode = (DefaultMutableTreeNode) jTree1.getSelectionPath().getLastPathComponent();

        

        DefaultTreeModel model = (DefaultTreeModel) jTree1.getModel();

        

        if(selectedNode != jTree1.getModel().getRoot())

            model.removeNodeFromParent(selectedNode);

        else

            model.setRoot(null);

    } 

OutPut:

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