C# 重写 ToString 方法

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

namespace ConsoleApplication27
{
    class Program
    {
        static void Main(string[] args)
        {
            int x = 42;
            string strx = x.ToString();
            Console.WriteLine(strx);
            Person p = new Person();
            p.Name = "cxc";
            p.Age = 23;
            Console.WriteLine(p.ToString());
        }
    }
    class Person
    {
        public string Name { get; set; }
        public int Age { get; set; }

        public override string ToString()
        {
            return "Person: " + Name + " " + Age;
        }
    }


}