public <T> List<T> toList(Class<T> elementType) {
		return JSONConverter.toList(this, elementType);
	}
@Test
	public void toListTest() {
		String jsonStr = FileUtil.readString("exam_test.json", CharsetUtil.CHARSET_UTF_8);
		JSONArray array = JSONUtil.parseArray(jsonStr);

		List<Exam> list = array.toList(Exam.class);
		assertFalse(list.isEmpty());
		assertSame(Exam.class, list.get(0).getClass());
	}