src/java.desktop/share/classes/javax/swing/tree/DefaultMutableTreeNode.java

*** 93,113 ****
  
      /**
       * An enumeration that is always empty. This is used when an enumeration
       * of a leaf node's children is requested.
       */
!     static public final Enumeration<TreeNode> EMPTY_ENUMERATION
          = Collections.emptyEnumeration();
  
      /** this node's parent, or null if this node has no parent */
      protected MutableTreeNode   parent;
  
      /** array of children, may be null if this node has no children */
      protected Vector<TreeNode> children;
  
      /** optional user object */
!     transient protected Object  userObject;
  
      /** true if the node is able to have children */
      protected boolean           allowsChildren;
  
  
--- 93,113 ----
  
      /**
       * An enumeration that is always empty. This is used when an enumeration
       * of a leaf node's children is requested.
       */
!     public static final Enumeration<TreeNode> EMPTY_ENUMERATION
          = Collections.emptyEnumeration();
  
      /** this node's parent, or null if this node has no parent */
      protected MutableTreeNode   parent;
  
      /** array of children, may be null if this node has no children */
      protected Vector<TreeNode> children;
  
      /** optional user object */
!     protected transient Object  userObject;
  
      /** true if the node is able to have children */
      protected boolean           allowsChildren;