Program.cs

using System.Net;
using Opp;

class Program
{
    public static void Main()
    {
        Console.WriteLine("1.Create Fruit");
        Console.WriteLine("2.View Orders");
        Console.WriteLine("3.Shopping");
        Console.WriteLine("4.Exit");
        ManagementFruit managementFruit = new ManagementFruit();
        int choose;

        do
        {
            Console.WriteLine("Input your choose");
            choose = Convert.ToInt32(Console.ReadLine());
            switch (choose)
            {
                case 1:
                    {
                        managementFruit.CreateFruit();
                        break;
                    }
                case 2:
                    {
                        managementFruit.PrintOrder();
                        break;
                    }
                case 3:
                    {
                        managementFruit.ShoppingItem(); 
                        break;
                    }
                case 4:
                    {
                        Console.WriteLine("GoodBye");
                        break;
                    }
            }
        }while (choose != 4);
    }
}