PontOsztalya

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

namespace pontosztalya
{
    class pont
    {
        double x, y; //privát adat tagok (default)
        public pont(double a, double b)
        {
            x = a;
            y = b;
        }

        public double aps()
        {
            return x;
        }

        public double ord()
        {
            return y;
        }

        public double tavolsag(pont p)
        {
            double d;
            d=Math.Sqrt(Math.Pow(x-p.x,2)+Math.Pow(y-p.y,2));
            return d;
        }

        public void ir(pont p)
        {
            Console.WriteLine(p.x + "," + p.y);
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            double x1, x2, y1, y2;
            Console.WriteLine("Az első pont koordinátái: ");
            Console.Write("x1: ");
            x1 = double.Parse(Console.ReadLine());
            Console.Write("y1: ");
            y1 = double.Parse(Console.ReadLine());

            Console.WriteLine("Az masodik pont koordinátái: ");
            Console.Write("x2: ");
            x2 = double.Parse(Console.ReadLine());
            Console.Write("y2: ");
            y2 = double.Parse(Console.ReadLine());

            pont p1 = new pont(x1, y1);
            pont p2 = new pont(x2, y2);

            Console.Write("Az elso pont ");
            Console.WriteLine(+p1.aps()

        }
    }
}