C#_OOP_3b_Program.cs

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

namespace App3b
{
    class Program
    {
        static void Main(string[] args)
        {
            // int counter = 0;
            Human person1 = new Human(50, "Stoyan");
            // person1.counter++;
            // counter++;
            Human person2 = new Human("Ivan", 20);
            // counter++;
            Human person3 = new Human();
            // counter++;

            // Console.WriteLine("My name is {0}. My age is {1}", person1.Name, person1.Age);
            // Console.WriteLine("My name is {0}. My age is {1}", person2.Name, person2.Age);

            Human.nationality = "Angels";

            Console.WriteLine(Human.PI);

            person1.IntroduceYourSelf("verbous");
            person2.IntroduceYourSelf();
            person3.IntroduceYourSelf();

            System.Console.WriteLine(person1.onlyRead);

            Console.WriteLine("The population is {0}", Human.counter);
            Console.WriteLine("Hello World!");
            Console.Read();
        }

        public static void IncreasePopulation()
        {
            // int counter = 0;
            Human person1 = new Human();
            // counter++;
        }
    }
}