Domashnoto na Krasi 6

import java.util.Scanner;

public class Main1 {
    public static void main(String[] args){
        CustomArrayList shoppingList = new CustomArrayList();
        Scanner scan = new Scanner(System.in);

        while (true){
            System.out.println();
            System.out.println("For Add choose 1, for Remove choose 2, for End choose 3");
            int choice = scan.nextInt();

            if(choice == 1){
                System.out.println("The element you want to add: ");
                String n  = scan.next();

                if(shoppingList.contains(n) == false){
                    shoppingList.add(n);

                    System.out.println();
                    System.out.println("Now your shopping list contains: ");
                    for (int i = 0; i < shoppingList.getLength(); i++) {
                        System.out.println(shoppingList.elementAt(i));
                    }

                    continue;
                }
            }else if(choice == 2){

                System.out.println("The element you want to remove: ");
                String n  = scan.next();

                if(shoppingList.contains(n) == true){
                    shoppingList.remove(n);

                    System.out.println();
                    System.out.println("Now your shopping list contains: ");
                    for (int i = 0; i < shoppingList.getLength(); i++) {
                        System.out.println(shoppingList.elementAt(i));
                    }

                    continue;
                }
            }else if(choice == 3){
                break;
            }
        }

    }
}