### Question:
HttpUtils { public static Hashtable<String, String[]> parsePostData(int length, ServletInputStream inputStream) { throw new UnsupportedOperationException(); } HttpUtils(); static StringBuffer getRequestURL(HttpServletRequest request); static Hashtable<String, String[]> parsePostData(int length, ServletInputStream inputStream); static Hashtable<String, String[]> parseQueryString(String queryString);  }### Answer:
@Test void testParsePostData() { assertThrows(UnsupportedOperationException.class, () -> HttpUtils.parsePostData(0, null)); }