public static <T> void swapTo(List<T> list, T element, Integer targetIndex) {
		if (CollUtil.isNotEmpty(list)) {
			final int index = list.indexOf(element);
			if (index >= 0) {
				Collections.swap(list, index, targetIndex);
			}
		}
	}
@Test
	public void swapIndex() {
		final List<Integer> list = Arrays.asList(7, 2, 8, 9);
		ListUtil.swapTo(list, 8, 1);
		assertEquals(8, (int) list.get(1));
	}