ArrayList - Class

package com.company;

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

public class Main {

    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);

        ArrayList<String> MyList = new ArrayList<>();
        String command = "";

        while(!command.contains("end")) {

            //  ---- Добавяме ----
            if (command.contains("add")) {
                System.out.print("Please input name:");
                String name = scan.nextLine();
                MyList.add(name);
            }

            // ---- Премахваме ----
            if (command.contains("rem")) {
                System.out.println("Choose to remove : 1.By number or 2.By name");
                int choice = scan.nextInt();

                // Тук проверяваме дали избора е правилен
                if (choice == 1 || choice == 2) {


                    // ---- Премахване по номер ----
                    if (choice == 1) {
                        System.out.print("Please input number:");
                        int number = scan.nextInt();

                        if (number > 0 && number <= MyList.size()) {
                            MyList.remove(number - 1);

                        } else {
                            System.out.println("No such number !!!");
                        }
                    }
                    //----- Премахване по име -----
                    if (choice == 2) {
                        System.out.println("Please input name: ");
                        String Rname = scan.next();
                        MyList.remove(String.valueOf(Rname));
                    }
                } else {
                    System.out.println("Wrong choice");
                }
            }

            // ---- Принтираме ----
            if(command.contains("prn")){
                System.out.println(MyList);
            }

            System.out.println("Please choose from : <add> <rem> <prn> <end>");
             command = scan.nextLine().toLowerCase();

        }
        System.out.println("Goodbye!");

    }
}