import javax.accessibility.AccessibleHyperlink; //导入依赖的package包/类
/**
 * Returns the <code>i</code>-th hyperlink in the document or
 * <code>null</code> if there is no hyperlink with the specified index.
 *
 * @param i the index of the hyperlink to return
 *
 * @return the <code>i</code>-th hyperlink in the document or
 *         <code>null</code> if there is no hyperlink with the specified
 *         index
 */
public AccessibleHyperlink getLink(int i)
{
  HTMLDocument doc = (HTMLDocument) getDocument();
  HTMLDocument.Iterator linkIter = doc.getIterator(HTML.Tag.A);
  int count = 0;
  while (linkIter.isValid())
    {
      count++;
      if (count == i)
        break;
      linkIter.next();
    }
  if (linkIter.isValid())
    {
      int offset = linkIter.getStartOffset();
      // TODO: I fetch the element for the link via getCharacterElement().
      // I am not sure that this is correct, maybe we must use
      // getParagraphElement()?
      Element el = doc.getCharacterElement(offset);
      HTMLLink link = new HTMLLink(el);
      return link;
    }
  else
    return null;
}
 

import javax.accessibility.AccessibleHyperlink; //导入依赖的package包/类
public AccessibleHyperlink getLink(int linkIndex) throws NotImplementedException {
    throw new NotImplementedException();
}