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problem with one to many relationship

 
Greenhorn
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Hi I am implementing JPA hibernate simple application using one to many relationship.

Relation ship is Comapny (1)----------- Department(*)

Company.java is as follow :



Department.java is as follow :




CompanyDAO.java is follow



HibernateUtil.java




What I am doing is , I am adding new department to existing company. After execution above code

Table created are :
1. Company table with id and name
2. Department table with deptId , deptName , compId.

so at the time adding department , it does not threw any exception but updates records in department as
1(Id),Development(DeptName),null(compId) .

I am not getting why it is not updating compId column. Please help.
 
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