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Java Get jTree Node Index

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How To Get Selected Node Index From JTree Using Java NetBeans

How To Get Selected Node Index From JTree Using Java NetBeans Java Get jTree Node Index
In this Java Tutorial we will see How To Get The Selected JTree Node Index Using DefaultMutableTreeNode + TreeSelectionModel And Display The Value Into A JTextFields On JTree Mouse Clicked Event In Java programming language & NetBeans IDE .


Project Source Code:

private void jTree1MouseClicked(java.awt.event.MouseEvent evt) {                                    
        
        DefaultMutableTreeNode selectedNode = (DefaultMutableTreeNode) jTree1.getSelectionPath().getLastPathComponent();
        
        if(selectedNode != jTree1.getModel().getRoot())
        {
            int selectedNodeIndex = selectedNode.getParent().getIndex(selectedNode);
            jTextField1.setText(Integer.toString(selectedNodeIndex));
        }
         TreeSelectionModel model = jTree1.getSelectionModel();
         if(model.getSelectionCount() > 0)
         jTextField1.setText(Integer.toString(model.getSelectionRows()[0]));
         
    } 


OutPut:

How To Get Selected Node Index From JTree Using Java NetBeans Java Get jTree Node Index



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