### Question:
HttpUtils { static boolean isParameterDelimiter(final char ch) { return ch==PARAM_DELIMITER; } private  HttpUtils();   }### Answer:
@Test public void recognizesParameterDelimiter() { assertThat(HttpUtils.isParameterDelimiter(';'),equalTo(true)); }
@Test public void rejectsNonParameterDelimiter() { assertThat(HttpUtils.isParameterDelimiter(','),equalTo(false)); }