DaoException

package cn.itcast.dao.Impl;public class DaoException extends RuntimeException{    /**     *      */    private static final long serialVersionUID = 1L;    public DaoException() {        // TODO Auto-generated constructor stub    }    public DaoException(String message) {        super(message);        // TODO Auto-generated constructor stub    }    public DaoException(Throwable cause) {        super(cause);        // TODO Auto-generated constructor stub    }    public DaoException(String message, Throwable cause) {        super(message, cause);        // TODO Auto-generated constructor stub    }   }