using System;

​

public class Address : ICloneable

{

    public string City { get; set; }

    public string Country { get; set; }

​

    public object Clone()

    {

        return new Address { City = this.City, Country = this.Country };

    }

}

​

public class Person : ICloneable

{

    public string Name { get; set; }

    public Address Address { get; set; }

​

    public object Clone()

    {

        return new Person { Name = this.Name, Address = (Address)this.Address.Clone() };

    }

}

​

public class Program

{

    public static void Main()

    {

        Address address = new Address { City = "New York", Country = "USA" };

        Person person1 = new Person { Name = "John", Address = address };

        Person person2 = (Person)person1.Clone();

​

        Console.WriteLine("Person1 Name: {0}, City: {1}, Country: {2}", person1.Name, person1.Address.City, person1.Address.Country);

        Console.WriteLine("Person2 Name: {0}, City: {1}, Country: {2}", person2.Name, person2.Address.City, person2.Address.Country);

​

        // Change address of person1

        person1.Address.City = "Los Angeles";

​

        // Changes have effect only in person1 and not in person2

        Console.WriteLine("Person1 Name: {0}, City: {1}, Country: {2}", person1.Name, person1.Address.City, person1.Address.Country);

        Console.WriteLine("Person2 Name: {0}, City: {1}, Country: {2}", person2.Name, person2.Address.City, person2.Address.Country);

        // person1 and person2 are differents objects!

        Console.WriteLine(Object.ReferenceEquals(person1, person2));

    }

}