The use of hql and the substitution of limit

1.HQL differs from Sql,from must be the name of the class that corresponds to the table reversal in the project.

2. How to generate HQL statements using parameters:

"= session.createquery (HQL); Query.setparameter (0, userId);  // instead of the No. 0 question mark

3.HQL can not write limit, but he has the method can be set, the same effect

Query.setmaxresults (maxCount);  // set the acquired quantity Query.setfirstresult (firstresult);    // settings are obtained from the first few return query.list ();                      // returns the result of the fetch

The use of hql and the substitution of limit