Method count

ch4/CommentDaoImpl.java:17–20

(Integer bno)

    private static String namespace = "com.fastcampus.ch4.dao.CommentMapper.";

    @Override
    public int count(Integer bno) throws Exception {
        return session.selectOne(namespace+"count", bno);
    } // T selectOne(String statement)

    @Override
    public int deleteAll(Integer bno) {