code: public String getSuffix() {
  
          if (m_suffix == null) {
              StringBuffer result = new StringBuffer();
              if (m_query != null) {
                  result.append('?');
                  result.append(m_query);
              }
              if (m_anchor != null) {
                  result.append('#');
                  result.append(m_anchor);
              }
              m_suffix = result.toString();
          }
          return m_suffix;
      }
docs: Returns the suffix part of the uri, a combination of query and anchor,
  for example <code>?a=b&c=d#someanchor</code>,
  or the empty String if no suffix is available.<p>
  
  @return the suffix part of the uri