using System;

​

public class Person

{

    public string firstName;

    public string lastName;

    public int age;

    public string phone;

​

    //

    public Person()

    {

        firstName = "none";

        lastName = "none";

        age = 0;

        phone = "none";

    }

}

public class Program

{

    public static void Main()

    {

        Person p1 = new Person(); // Створення екземпляру класу тобто обєкту

        p1.firstName = "Denis";

        p1.lastName = "Kovalskiy";

        p1.age = 14;

        p1.phone = "04124652123";

        //Console.WriteLine(p1.phone);

        Person p2 = new Person(){firstName = "TestUser", lastName = "54321"};

        Console.WriteLine("[{0}] {1} {2}, вік: {3}, телефон: {4}", 0, p1.firstName, p1.lastName, p1.age, p1.phone);

        Person[] persons = new Person[5];

    }

}

​