@Override
	public Object[] toArray() {
		return rawList.toArray();
	}
@Test
	public void toArrayTest() {
		String jsonStr = FileUtil.readString("exam_test.json", CharsetUtil.CHARSET_UTF_8);
		JSONArray array = JSONUtil.parseArray(jsonStr);

		//noinspection SuspiciousToArrayCall
		Exam[] list = array.toArray(new Exam[0]);
		assertNotEquals(0, list.length);
		assertSame(Exam.class, list[0].getClass());
	}