static variables

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

namespace csharp_youtube_tutorial
{
    class myClass
    {
        public static int count = 0; //A static variable's value is shared among all instances of that class.
    }

    class Program /*An instance of a class is another name for object*/
    {
        public static void Main(string[] args)
        {
            myClass obj1 = new myClass();

            myClass.count += 1; //You can directly acces the static variable from the class.

            Console.WriteLine(myClass.count);

            myClass obj2 = new myClass();

            Console.WriteLine(myClass.count); //This would have printed 1 if we had not set static to count.

            Console.ReadKey(); //Press a key application ends. //Console[Class] ReadKey()[Function/Method]
        }
    }
}