### Question:
NSLKDDDAO extends DatasetsDAO { public static long selectCount() { String SELECT_COUNT = "SELECT COUNT(*) FROM NSL_KDD"; return Yank.queryScalar(SELECT_COUNT, Long.class, null); }  static void init(String dataFilesDir); static int dropTable(); static int getTrainTestSplit(); static int createTable(); static int insert(NSLKDD nSLKDD); static NSLKDD selectSingle(int id); static long selectCount();  }### Answer:
@Test public void testSelectCount() { long count = NSLKDDDAO.selectCount(); assertThat(count, equalTo(148517L)); }