### Question:
ArrayInitializer { static int[] initializeArrayRangeUsingArraysFill() { int array[] = new int[5]; Arrays.fill(array, 0, 3, -50); return array; }    }### Answer:
@Test public void whenInitializeArrayRangeUsingArraysFill_thenCorrect() { assertArrayEquals(new int[] { -50, -50, -50, 0, 0 }, initializeArrayRangeUsingArraysFill()); }