2016.03.01_c#...

//Program.cs

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

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("hello");
            Pont p1 = new Pont(4, 5, "fekete");
            Console.WriteLine("({0}, {1})", p1.X, p1.Y);
            //###
            //Console.WriteLine("({0}, {1})", p1.getX(), p1.getY());
            //p1.setX(-3);
            //Console.WriteLine("({0}, {1})", p1.getX(), p1.getY());
            Pont p2 = new Pont();
            //Console.WriteLine("({0}, {1}), {2}", p1.X, p1.Y, p1.Szin);
            //p1.X = -3

            Console.WriteLine("({0}, {1}), {2}", p1.X, p1.Y, p1.Szin);
            Console.WriteLine(p1.ToString());
            Console.WriteLine(p2);

            Pont p3 = new Pont();
            if (p2.Equals(p3))
                Console.WriteLine("egyenlő");
            else
                Console.WriteLine("nem egyenlő");
            Console.WriteLine("{0,5}, {1,-6:F1}{2}", "alma", 4.56, 'x');
            string sor = Console.ReadLine();
            int x = int.Parse(sor);
            Console.WriteLine(x);
        }
    }
}

//Class1.cs

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

namespace geom
{
    class Pont
    {
        private int x, y;
        public int X
        {
            get
            {
                return x;
            }
            set
            {
                x = value;
            }
        }

        public int Y
        {
            get
            {
                return y;
            }
            set
            {
                y = value;
            }
        }
        public string Szin { get; private set; }

        public Pont(int x, int y, string szin)
        {
            this.x = x;
            this.y = y;
            Szin = szin;
        }

        public Pont(int x, int y) : this(x, y, "feher")
        {
        }

        public Pont() : this(0, 0)
        {
        }
        //public int getX()
        //{
        //    return x;
        //}

        //public int getY()
        //{
        //    return y;
        //}

        //public void setX(int x)
        //{
        //    this.x = x;
        //}
        //public void setY(int y)
        //{
        //    this.y = y;
        //}

        public override string ToString()
        {
            return "(" + x + ", " + y + ")" + Szin;
        }

        public override bool Equals(object obj)
        {
            Pont other = obj as Pont; //0-at ad vissza ha nem ugyanolyan tipusu
            return other != null && x == other.x && y == other.y && Szin.Equals(other.Szin); // szin-hez is mehet == Equals helyett

            //if (obj == null)
            //    return false;
            //if (!(obj is Pont))
            //    return false;
            //Pont other = (Pont)obj;
            //if (x != other.x)
            //    return false;
            //if (y != other.y)
            //    return false;
            //if (!Szin.Equals(other.Szin))
            //    return false;
            //return true;
        }
    }
}