### Question:
DateUtils { public static int getBusinessDaysBetween(Date date1, Date date2) { return doGetDaysBetween(date1, date2, DateUtils::isBusinessDay); }  static List<Date> getHolidays(int year); static boolean isHoliday(Date date); static Date getNormalizedToday(); static boolean isHoliday(Calendar cal); static boolean isWeekend(Calendar cal); static Date normalizeDate(Date date); static String formatDate(Date date); static String formatDateTimestamp(Date date); static String formatCurrentTime(); static Date getDate(int year, int month, int day); static int getDaysBetween(Date date1, Date date2); static int getBusinessDaysBetween(Date date1, Date date2); static String formatDuration(long millis); static final long MS_PER_SEC; static final long MS_PER_MIN; static final long MS_PER_HOUR; static final long MS_PER_DAY; }### Answer:
@Test public void testGetBusinessDaysBetween() { int november = 10; Date friday = DateUtils.getDate(2019, november, 22); Date monday = DateUtils.getDate(2019, november, 25); int daysBetween = DateUtils.getBusinessDaysBetween(friday, monday); assertEquals(1, daysBetween); }