private static void testDatabase() { Student student = (Student) studentDao.list("stud1").toArray()[0]; System.out.println("last name: " + student.getLastName()); System.out.println("group name: " + student.getGroup().getName()); for (Student student1 : student.getGroup().getStudentList()) { System.out.println("students in group: " + student1.getFirstName()); } System.out.println("curator last name: " + student.getGroup().getCurator().getLastName()); for (GroupLection groupLection : student.getGroup().getCurator().getGroupLectionList()) { System.out.println("group lection time: " + groupLection.getDate()); } LossStudent lossStudent = (LossStudent) lossStudentDao.list().toArray()[0]; System.out.println( lossStudent.getDate() + " " + lossStudent.getStudent().getLastName() + " " + lossStudent.getLection().getName()); }