code: public Object get(int index)
      {
          DListEntry entry = (DListEntry) elements.get(index);
          return entry.getRealSubject();
      }
docs: Returns the element at the specified position in this list.
  
  @param index index of element to return.
  @return the element at the specified position in this list.
  
  @throws IndexOutOfBoundsException if the index is out of range (index
  &lt; 0 || index &gt;= size()).