C#控制台应用程序（析构函数）

Question

 

Answer 1

 

using System;
namespace ConsoleApp1
{
    class MyPoint
    {
        private int x;
        private int y;
        public int PX { get { return x; } set { x = value; } }
        public int PY { get { return y; } set { y = value; } }

        public MyPoint() { this.x = this.y = 0; }
        public MyPoint(int x, int y)
        {
            this.x = x;
            this.y = y;
        }
        ~MyPoint()
        {
            Console.WriteLine("MyPoint实例资源回收~~");
        }
        public void ShowPoint() {
            Console.WriteLine("x：{0}\ty：{1}", x, y);
        }
        public float Disp()
        {
            return (float)Math.Sqrt(Math.Pow(x, 2) + Math.Pow(y, 2));
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            var p0 = new MyPoint();
            var p1 = new MyPoint(4, 5);
            Console.WriteLine(p1.Disp());
        }
    }
}