public Response initiateTriggerUpdate(Listing listing)
    {
        try
        {
            session=sessionFactory.openSession();
            tx=session.beginTransaction();
        SQLQuery query=session.createSQLQuery("Update ABCD set rollNo="+listing.getCl1().get(0).getRollNo()+" ,name="+listing.getCl1().get(0).getName()+" , english="+listing.getCl1().get(0).getEnglish()+" where rollNo=1"+"Update ABCD set rollNo="+listing.getCl2().get(1).getRollNo()+",name="+listing.getCl2().get(1).getName()+",english="+listing.getCl2().get(1).getEnglish()+"where rollNo=2");
            query.executeUpdate();
                response.setMessage("successful");
                response.setStatus("200");
                tx.commit();
                return response;
        }
        catch( Exception e){
            System.out.println(e.getMessage());
            response.setMessage("unsuccessfull");
            response.setStatus("500");
            return response;
        }
        finally
        {
            session.close();
        }
    }

}
],
"cl2":
[
    {
        "rollNo":4,
        "name":"ajay",
        "english":70.00
    }
    ]