code: @Override
      public boolean contains(Object o) {
          Object[] elements = getArray();
          return indexOf(o, elements, 0, elements.length) >= 0;
      }
docs: Returns <tt>true</tt> if this list contains the specified element.
  More formally, returns <tt>true</tt> if and only if this list contains
  at least one element <tt>e</tt> such that
  <tt>(o==null&nbsp;?&nbsp;e==null&nbsp;:&nbsp;o.equals(e))</tt>.
  
  @param o element whose presence in this list is to be tested
  @return <tt>true</tt> if this list contains the specified element