using System;

​

    public class Point

    {

        private double y;

        private double x;

        public Point(double x, double y)

        {

            this.x = x;

            this.y = y;

        }

        ////////////////

        public double GetX()

        {

            return this.x;

        }

        public double GetY()

        {

            return this.y;

        }

        public void SetX(double x)

        {

            this.x = x;

        }

        public void SetY(double y)

        {

            this.y = y;

        }

        ////////////////

        public override string ToString()

        {

            string s1 ="x:"+this.x+"y:"+this.y;

            return s1;

        }   

        ///////////////

        public double Distance(Point p)

        {

            return Math.Sqrt(Math.Pow(Math.Abs(this.x - p.GetX()),2) + Math.Pow(Math.Abs(this.y - p.GetY()),2));

        }

        public Point MidPoint(Point p)

        {

        double x = (this.x + p.GetX() )/2;

        double y = (this.y + p.GetY() )/2;

        Point p123 = new Point(x,y);    

        return p123;

        }

        ///////////////

        public void MoveX(double x)

        {

        this.x = this.x + x;

        }

        public void MoveY(double y)

        {

        this.y = this.y + y;

        }

    }

​

​

​

​

public class Program

{

    public static void Main()

    {

        Point p1 = new Point(2,2);

        Point p2 = new Point(4,4);

        Point p3 = p1.MidPoint(p2);

        Console.WriteLine(p3.ToString());

    } 

}