### Question:
ArrayUtils { public static boolean isNotEmpty(final Object[] array) { return !isEmpty(array); } private  ArrayUtils(); static boolean isEmpty(final Object[] array); static boolean isNotEmpty(final Object[] array);  }### Answer:
@Test public void isNotEmpty() throws Exception { assertFalse(ArrayUtils.isNotEmpty(null)); assertFalse(ArrayUtils.isNotEmpty(new Object[0])); assertTrue(ArrayUtils.isNotEmpty(new Object[]{"abc"})); }