public class SingletonTest {
  public static void main(String[] args) {
    Scanner input = new Scanner(System.in);
    if(CurrentUser.isLoggedIn()) {
      System.out.println("User "
          + CurrentUser.user().getUsername()
          + "telah login");
    } else {
      System.out.println("Belum ada user yang login");
      System.out.println("Masukkan username: ");
      String username = input.nextLine();
      System.out.println("Masukkan password: ");
      String password = input.nextLine();
      CurrentUser.login(username, password);
    }
    System.out.println("\nUser yang telah login:");
    System.out.println("Username: " + CurrentUser.user().getUsername());
    System.out.println("Password: " + CurrentUser.user().getPassword());
    System.out.println("\nUser akan logout...");
    CurrentUser.logout();
    System.out.println("User telah logout!");
    if(CurrentUser.isLoggedIn()) {
      System.out.println("Masih ada user yang login");
    } else {
      System.out.println("Tidak ada user yang login");
    }
  }
}