public String logout() {
us.setLoggedIn(null);
us.setSeen(0);
us.setCorrect(0);
ss.setSeen(0);
ss.setCorrect(0);
return "index";
}
public String login() {
for (Student student : getStudentList()) {
if (selectStudentName.equals(student.getUsername())) {
us.setLoggedIn(student);
}
}
return "menu";
}