Java by API/javax.swing.tree/TreeModel

TreeModel: valueForPathChanged(TreePath path,Object newValue)

   <source lang="java">

import java.awt.BorderLayout; import java.util.Vector; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTree; import javax.swing.tree.DefaultTreeModel; import javax.swing.tree.TreeModel; import javax.swing.tree.TreePath; public class MainClass {

 public static void main(String args[]) {
   JFrame frame = new JFrame("Swing Package Hierarchy");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   Vector rootVector = new TreeVector("A", new String[] { "a" });
   JTree tree = new JTree(rootVector);
   tree.setRootVisible(true);
   TreeModel model = tree.getModel();
   model.valueForPathChanged(new TreePath(model.getRoot()), "javax.swing");
   ((DefaultTreeModel) model).reload();
   JScrollPane scrollPane = new JScrollPane(tree);
   frame.getContentPane().add(scrollPane, BorderLayout.CENTER);
   frame.setSize(300, 300);
   frame.setVisible(true);
 }

} class TreeVector extends Vector {

 String name;
 TreeVector(String name) {
   this.name = name;
 }
 TreeVector(String name, Object elements[]) {
   this.name = name;
   for (int i = 0, n = elements.length; i < n; i++) {
     add(elements[i]);
   }
 }
 public String toString() {
   return name;
 }

}

      </source>