public static <T> T getFirstNoneNull(Iterable<T> iterable) {
		if (null == iterable) {
			return null;
		}
		return getFirstNoneNull(iterable.iterator());
	}
@Test
	public void getFirstNonNullTest(){
		final ArrayList<String> strings = CollUtil.newArrayList(null, null, "123", "456", null);
		assertEquals("123", IterUtil.getFirstNoneNull(strings));
	}