C#区别于java之运算符重载

using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleSuanFa
{
    public class Point
    {
        private int x;
        private int y;
        public int X
        {
            get { return this.x; }
            set { this.x = value; }
        }
        public int Y
        {
            get { return this.y; }
            set { this.y = value; }
        }
        public Point(int x, int y)
        {
            this.x = x;
            this.y = y;
        }
        public static Point operator +(Point p1, Point p2)
        {
            return new Point(p1.x + p2.x, p1.y + p2.y);
        }
        public Point()
        {}
        public void toString()
        {
            Console.Write("the x is "+ this.X+"and the y is"+ this.Y);
        }

    }
    class OperatorOverload
    {
        public static void Main(string[] args)
        {
            Point p1 = new Point();
            p1.X = 5;
            p1.Y = 5;
            Point p2 = new Point(5, 5);
            Point p3 = p1 + p2;
            p3.toString();
        }
    }
}