SparkJobServiceURLBuilderImpl implements ServiceURLBuilder { public String build(String url, String... parameters) { String serverAddress = URLUtil.removeTrailingSlash(url); return serverAddress + Constants.SPARK_APPS_URL + parameters[0]; }  String build(String url, String... parameters);  }
@Test public void testBuild() { SparkJobServiceURLBuilderImpl sparkJobServiceURLBuilderImpl = new SparkJobServiceURLBuilderImpl(); String finalUrl = sparkJobServiceURLBuilderImpl.build("http: Assert.assertEquals("http: }