Java Swing TreePath create from tree node array

import java.awt.Container;
import java.awt.FlowLayout;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.TreePath;

public class Main {
   public static void main(String args[]) {
      final JFrame f = new JFrame("JTree Demo");
      f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      Container c = f.getContentPane();
      c.setLayout(new FlowLayout());
      DefaultMutableTreeNode root = new DefaultMutableTreeNode("Root");
      DefaultMutableTreeNode c1 = new DefaultMutableTreeNode("A");
      DefaultMutableTreeNode c2 = new DefaultMutableTreeNode("B");
      DefaultMutableTreeNode c3 = new DefaultMutableTreeNode("C");
      root.add(c1);//from   w w  w  .j a  v a 2s  .c om
      root.add(c2);
      root.add(c3);

      c1.add(new DefaultMutableTreeNode("1"));
      c1.add(new DefaultMutableTreeNode("2"));

      c2.add(new DefaultMutableTreeNode("3"));
      c2.add(new DefaultMutableTreeNode("4"));

      c3.add(new DefaultMutableTreeNode("5"));
      DefaultMutableTreeNode n6 = new DefaultMutableTreeNode("6");

      c3.add(n6);

      JTree t = new JTree(root);

      isDescendant(new TreePath(c2.getPath()),new TreePath(c3.getPath()));
      

      c.add(new JScrollPane(t));
      f.pack();
      f.setVisible(true);
   }

   private static boolean isDescendant(TreePath path1, TreePath path2) {
      int count1 = path1.getPathCount();
      int count2 = path2.getPathCount();
      if (count1 <= count2)
          return false;
      while (count1 != count2) {
          path1 = path1.getParentPath();
          count1--;
      }
      return path1.equals(path2);
  }
}