VPR-Projekt/src/Execute.java

import java.util.ArrayList;
import java.util.Scanner;

/**
 * The class Execute is the executen file for the whole programm.
 */
public class Execute {
    public static void main(String[] args) {
        Datei datei = new Datei("user.txt");
        User[] user = datei.laden();

        for (User user1 : user) {
            System.out.println(user1);
        }
        System.out.println();
        System.out.println("\t\t\tANMELDUNG");
        int i = 0;
        Scanner leser = new Scanner(System.in);
        while (true) {


            System.out.print("Name: ");
            boolean error = false;
            String name = leser.nextLine();
            if(name.isEmpty()){
                error = true;
            }
            System.out.print("Passwort: ");
            String password = leser.nextLine();
            if(password.isEmpty()){
                error = true;
            }


            for (User user1 : user) {
                if (!error) {
                    if (user1.getPassword().equals(password) && user1.getPhonenumber().equals(name)) {
                        System.out.println();
                        System.out.println("Herzlich Willkommen " + user1.getNameParent1() + " und " + user1.getNameParent2() + ", Ihr Login war erfolgreich!");
                        i++;
                        break;

                    } else if (!(user1.getPassword().equals(password) && user1.getPhonenumber().equals(name))) {
                        System.out.println("Login fehlgeschlagen. Versuchen Sie es erneut.");
                        break;
                    }

                }else{
                    System.out.println("Bitte Anmeldedaten angeben.");
                    break;
                }
            }
            if (i > 0) {
                break;
            }
        }
    }
}