Hibernate中的where子句

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public void testWhereClause(){

           String hql= " from Country as country where country.cname is not null";

           Session session= CustomSessionFactory.getSession();

           Query query=session.createQuery(hql);

           List<Country> list=query.list();

            for(Country country:list){

                System. out.println( "编号："+country.getCcode()+"  名称："+country.getCname());

           }

            CustomSessionFactory.closeSession();

     }

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一、范围运算：

二、字符匹配运算：

三、逻辑运算

四、集合运算

五、四则预算

六、查询单个对象