OOP_C#_Program_Indexer_default_params

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace WorldMI
{
  class Program
  {
    static void Main(string[] args)
    {
      Person stoyan = new Person("Stoyan", 54, 345.67M, "Koce", "Ralica", "Ivancho");
      //stoyan.Name = "Stoyan";
      //stoyan.Age = -700;

      Person koce = new Person(age: 18, name: "Koce"); // named arguments mus appear after all fixed arguments
      //koce.Name = "Koce";
      //koce.Age = 18;

      //Console.WriteLine("My name is {0}. I am {1} years old!", stoyan.Name, stoyan.Age);

      //Console.WriteLine("My name is {0}. I am {1} years old!", koce.Age, koce.Age);

      stoyan.IntroduceYourSelf();
      koce.IntroduceYourSelf();

      Console.WriteLine("The first friend of Stoyan is {0}", stoyan[0]);

    }
  }
}