ing should call <code>super.clone()</code>
 to create the new instance and then create deep copies of the nested,
 mutable objects.</p></div>
  <div class="jd-tagdata">
      <h5 class="jd-tagtitle">Returns</h5>
      <ul class="nolist"><li>a copy of this object.</li></ul>
  </div>
  <div class="jd-tagdata">
      <h5 class="jd-tagtitle">Throws</h5>
      <table class="jd-tagtable">  
        <tr>
            <th><a href="../../../../../reference/java/lang/CloneNotSupportedException.html">CloneNotSupportedE