orm modul 4

ELIN NUGROHO
085610038
ORM MODUL 4
Untuk database
OneToMany.java
package omodul4;
import java.util.HashMap;
import java.util.HashSet;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
public class OneToMany {
public static void main(String[] args){
EntityManagerFactory emf=null;
EntityManager em=null;
try{
ELIN NUGROHO
085610038
ORM MODUL 4
emf=Persistence.createEntityManagerFactory("onetomany", new
HashMap());
em=emf.createEntityManager();
em.getTransaction().begin();
Students student = new Students();
student.setName("Zaki Ahmad Adtiya");
student.setAddress("Griya Purwa Asih H-304");
Marks mark = new Marks();
mark.setSubject("ORM Programming");
mark.setMarks("A");
Marks mark1 = new Marks();
mark1.setSubject("Object-Oriented Programming");
mark1.setMarks("B");
Marks mark2 = new Marks();
mark2.setSubject("Enterprise Information System");
mark2.setMarks("C");
HashSet childSet = new HashSet();
childSet.add(mark);
childSet.add(mark1);
childSet.add(mark2);
}catch(Exception e){
System.out.println(e.getMessage());
}finally{
emf.close();
em.close();
}
}
}