public static <T> List<T> randomEles(final List<T> list, final int count) {
		final List<T> result = new ArrayList<>(count);
		final int limit = list.size();
		while (result.size() < count) {
			result.add(randomEle(list, limit));
		}

		return result;
	}
@Test
	public void randomElesTest(){
		List<Integer> result = RandomUtil.randomEles(CollUtil.newArrayList(1, 2, 3, 4, 5, 6), 2);
		assertEquals(result.size(), 2);
	}