public void update(Student newStudent) { foreach (Student student in this.repository) { if (student.getMatriculation() == newStudent.getMatriculation()) { student.setName(newStudent.getName()); student.setSerie(newStudent.getSerie()); student.setClassId(newStudent.getClassId()); student.setTeacher(newStudent.getTeacher()); student.setNote1(newStudent.getNote1()); student.setNote2(newStudent.getNote2()); student.setNote3(newStudent.getNote3()); student.setNote4(newStudent.getNote4()); student.setFinalNote(newStudent.getFinalNote()); } } }