package org.kuali.maven.plugins.graph.dot;
   
   import java.util.Enumeration;
   
   import javax.swing.tree.DefaultMutableTreeNode;
   
   import org.junit.Test;
   
   public class TreeTest {
  
      @Test
      public void testTree() {
          DefaultMutableTreeNode root = new DefaultMutableTreeNode();
          DefaultMutableTreeNode child = new DefaultMutableTreeNode();
          root.add(child);
  
          Enumeration<?> e = root.children();
          while (e.hasMoreElements()) {
              Object element = e.nextElement();
              DefaultMutableTreeNode dmtn = (DefaultMutableTreeNode) element;
              Object userObject = dmtn.getUserObject();
              System.out.println(element.getClass());
              System.out.println(dmtn);
              System.out.println(userObject);
          }
      }
  }