object

01.重写ToString()

using System;
using static System.Console;

namespace Array
{
    class Program
    {
        static void Main(string[] args)
        {
            People people=new People(5,"一休");
            WriteLine(people.ToString());
            ReadKey();
        }
    }

    class People
    {
        public int Age { get; set; }
        public string Name { get; set; }
        public People(int age, string name)
        {
            this.Age = age;
            this.Name = name;
        }

        public override string ToString()
        {
            return $"名字:{Name},年龄:{Age}";
        }
    }

   
}