Icloneable interface

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace ConsoleApplication

{

    public class Persondetails : ICloneable

    {

        private string name;

        private List contactnumbers;

        public Persondetails(string n)

        {

            name = n;

            contactnumbers = new List();

        }

        public void Addcontactnumber(string number)

        {

            contactnumbers.Add(number);

        }

        public object Clone()

        {

            Persondetails cloneobject = new Persondetails(name);

            foreach (string num in contactnumbers)

            {

                cloneobject.contactnumbers.Add(num);

            }

            return cloneobject;

        }

        static void Main(string[] args)

        {

            Persondetails originaldetails = new Persondetails("ruby");

            originaldetails.Addcontactnumber("number1");

            originaldetails.Addcontactnumber("number2");

            Console.WriteLine(originaldetails.name);

            Persondetails clonedetails = (Persondetails)originaldetails.Clone();

            originaldetails.Addcontactnumber("number3");

            clonedetails.Addcontactnumber("number4");

            Console.WriteLine(originaldetails.contactnumbers[0] + "" + originaldetails.contactnumbers[1] + "" + originaldetails.contactnumbers[2]);

            Console.WriteLine(clonedetails.name);

            Console.WriteLine(clonedetails.contactnumbers[0] + "" + clonedetails.contactnumbers[1] + clonedetails.contactnumbers[2]);

        }

    }

}