clist.add(curr);
clist.add(acurr);
dlist.add(durr);
}
Student stud = new Student("Jonathan", clist, dlist);
Student stud2 = new Student("Stam", null, dlist);
Student stud3 = new Student("John", clist, null);
Student stud4 = new Student("Bill", null, null);
em.persist(stud);
em.persist(stud2);
em.persist(stud3);
em.persist(stud4);