MyPoint bai tap 5

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

namespace abcd
{
    class MyPoint
    {
        private
           int x, y;
        public
            MyPoint()
        {
            x = 0;
            y = 0;
        }
        MyPoint(int a, int b)
        {
            x = a;
            y = b;
        }






        int GetterX()
        {
            return x;

        }
        int GetterY()
        {
            return y;
        }

        void SetterX(int a)
        {
            x = a;
        }
        void SetterY(int b)
        {
            y = b;
        }






        string toString()
        {
            return string.Format("({0},{1})", x, y);
        }
        double distance(int a, int b)
        {
            return Math.Sqrt(Math.Pow((a-x),2)+Math.Pow((b-y),2));
        }
       double distance(MyPoint b){
            return Math.Sqrt(Math.Pow((b.x-x),2)+Math.Pow((b.y-y),2));
        }
        double distance(){
            return Math.Sqrt(Math.Pow(x,2)+Math.Pow(y,2));
        }


        static void Main(string[] args)
        {
            MyPoint a = new MyPoint(3,4);
            MyPoint b = new MyPoint(2,5);
           Console.WriteLine("toString :{0}", a.toString());
            double x=a.distance(b);
            Console.WriteLine("Khoang Cach {0}", x);

            Console.ReadKey();
        }
    }
}