code: public static void putAt(DefaultListModel self, int index, Object e) {
          self.set(index, e);
      }
docs: Allow DefaultListModel to work with subscript operators.<p>
  <b>WARNING:</b> this operation does not replace the element at the
  specified index, rather it inserts the element at that index, thus
  increasing the size of of the model by 1.
  
  @param self  a DefaultListModel
  @param index an index
  @param e     the element to insert at the given index
  @since 1.6.4