DemoPointTamplateClass

// Клас Точка в координатната система:

using System;
using System.Collections.Generic;


namespace DemoPointTamplateClass
{
    public class Point<T>
    {
        private T x;
        private T y;

        public T X
        {
            get { return x; }
            set { x = value;  }
        }
        public T Y
        {
            get { return y; }
            set { y = value; }
        }

        public void Info()
        {
            Console.WriteLine("Generic type: {0}", this.x.GetType());
            Console.WriteLine("x={0}, y={1}", x,y);
        }
    }
}

//Главен клас на програмата:
namespace DemoPointTamplateClass
{
    internal class Program
    {
        static void Main(string[] args)
        {
            Point<int> point1 = new Point<int>();
            point1.X = 100;
            point1.Y = 100;
            point1.Info();

            Point<double> point2 = new Point<double>();
            point2.X = 10.01;
            point2.Y = 100.12;
            point1.Info();
        }
    }
}