Phone book, first try

Add

import java.util.Scanner;

public class Add implements Comparable<Add>{
    private String name;
    private String lastName;
    private int number;


    public Add(String name, String lastName, int number) {
        this.name = name;
        this.lastName = lastName;
        this.number = number;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    public int getNumber() {
        return number;
    }

    public void setNumber(int number) {
        this.number = number;
    }

    @Override
    public String toString() {
        return "Imię: " + name + '\'' +
                ", Nazwisko = " + lastName + '\'' +
                ", Numer telefonu: " + number +
                '}';
         }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        Add add = (Add) o;

        if (number != add.number) return false;
        if (name != null ? !name.equals(add.name) : add.name != null) return false;
        return lastName != null ? lastName.equals(add.lastName) : add.lastName == null;
    }

    @Override
    public int hashCode() {
        int result = name != null ? name.hashCode() : 0;
        result = 31 * result + (lastName != null ? lastName.hashCode() : 0);
        result = 31 * result + number;
        return result;
    }

    @Override
    public int compareTo(Add o) {
        if (number == o.getNumber()){
            return  0 ;
        } else if (number > o.getNumber()){
            return 1;
        }
        return -1;
    }
}

List

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

public class List {

        ArrayList<Add> book = new ArrayList<>();

        Scanner aX = new Scanner(System.in);
        private String nameList;
        private String lastNameList;
        private int nrList;


        public void addRekord () {

            for (int i = 0; ; i++) {
                System.out.println("Podaj imie:");
                nameList = aX.nextLine();

                System.out.println("Podaj nazwisko: ");
                lastNameList = aX.nextLine();
                Scanner aY = new Scanner(System.in);
                    try {
                        System.out.println("Podaj numer: ");
                        nrList = aY.nextInt();

                    } catch (InputMismatchException e) {
                        System.out.println("Znak nie jest cyrą, błąd! Powrót do menu!");
                        break;
                    }

                    book.add(i, new Add(nameList, lastNameList, nrList));
                    System.out.println("Numer został dodany");
                    break;

            }
        }
            public void getList() {
                for (Add x : book)
                    System.out.println(x);
            }

            public void printLastName(){
                System.out.println("Podaj nazwisko: ");
                String lName = aX.nextLine();
                for (Add x : book){
                    if (lName.equals(x.getLastName())){
                        System.out.println(x);
                        break;
                    } else {
                        System.out.println("Nie ma takiego numeru");
                        break;
                    }
                }
            }
        }

Main

public class Main {
    public static void main(String [] args){
    Menu menuu = new Menu();
    menuu.Menu();
    }
}

Menu

public class Menu {
    int numbers;
    List listt = new List();
    public void Menu() {
        while (true) {
            System.out.println("******************************************\n\tWitaj w menu książki telefonicznej\n\n******************************************\n1. Dodaj kontakt do książki\n2. Wyszukaj kontakt\n3. Wyświetl wszystkie kontakty\n 4.Zakończ program");
            Scanner aY = new Scanner(System.in);
                try {
                    System.out.println("Podaj index: ");
                    numbers = aY.nextInt();

                } catch (InputMismatchException e) {
                    numbers = 0;
                }

            {
                switch (numbers) {

                    case 1:
                        System.out.println("Dodaj do książki");
                        listt.addRekord();
                        break;
                    case 2:
                        System.out.println("Wyświetl kontakt");
                        listt.printLastName();
                        break;
                    case 3:
                        System.out.println("Wyświetl wszystkie kontakty");
                        listt.getList();
                        break;
                    case 4:
                        System.exit(0);
                    default:
                        System.out.println("Tej pozycji nie ma w menu");
                        break;
                }
            }
        }
    }
}