در نمایش دفترچه تلفن شماره مخاطب ها از هم تفکیک نمیشود

 package phonebook;

import java.util.ArrayList;

import java.util.Scanner;

public class PhoneBook {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        ArrayList<Contact> contactList = new ArrayList<>();

        ArrayList<String> numbers = new ArrayList<>();

        int counter = 1;

        String name;

        String number;

        String details;





        while (true) {

            System.out.println();

            System.out.println("Choose number (just number):");

            System.out.println("1. Add Contact");

            System.out.println("2. Show Contacts");

            System.out.println("3. Search");

            System.out.println("4. Exit");

            System.out.println("*-*-*-*-*-*-*-*-*-*");

            int menu = scanner.nextInt();

            scanner.nextLine();

            switch (menu) {

                case 1:

                    do {

                        System.out.println(counter + " Contact");

                        System.out.print("Enter Contact Name ");

                        System.err.println("You Should Fill This Field :");

                        name = scanner.nextLine();

                    } while (name.isEmpty());

                    System.out.println("How Many Numbers You Want Add For This Contact?");

                    int l = scanner.nextInt();

                    for (int i = 1; i <= l; i++) {

                        do {

                            System.out.print("Enter Contact Number  ");

                            System.err.println("With 11 Character And Start With 0 :");

                            number = scanner.nextLine();

                            if (number.length() == 11 & number.startsWith("0")) {

                                numbers.add(number);

                            }

                        } while (number.length() != 11 || !number.startsWith("0"));

                    }

                    System.out.println("If You Want Enter Some Detail :");

                    details = scanner.nextLine();

                    contactList.add(new Contact(counter, name, numbers, details));

                    counter++;

                    System.out.println("Contact Successfully Saved");

                    break;

                case 2:

                    System.out.println("Your PhoneBook:");

                    for (Contact list : contactList) {

                        System.out.println(list);

                    }

                    break;

                case 3: {

                    System.out.println("This section is not available Yet");

                    break;

                }

                case 4:

                    System.out.println("Finish");

                    System.exit(0);

                    break;

                default:

                    System.out.println("ERROR.Enter Correct Number!!!!!!");



            }

        }

    }
}                             

            package phonebook;

import java.util.ArrayList;



public class Contact {

    int counter;

    String name;

    String s;

    String number;

    String details;

    ArrayList<String> numbers;



    public Contact(int counter, String name, ArrayList<String> numbers, String details) {

        this.counter = counter;

        this.name = name;

        this.details = details;

        this.numbers = numbers;

    }



    @Override

public String toString() {

        return counter + ". " + name + " " + numbers + " " + details;

    }
}