C#_deepCopy

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using System;using System.Collections.Generic;using System.IO;using System.Linq;using System.Runtime.Serialization.Formatters.Binary;using System.Text;using System.Threading.Tasks;using System.Windows;namespace ConsoleApplication1{    [Serializable]    class Person    {        public Person()        {                 }        public int age { set; get; }        public string name { set; get; }       }    class Program    {        public static Person deepCopy(Person value)        {            using (MemoryStream stream = new MemoryStream())            {                 BinaryFormatter  formattor = new BinaryFormatter();                formattor.Serialize(stream,value);                stream.Flush();                stream.Seek(0,SeekOrigin.Begin);                return  (Person)formattor.Deserialize(stream);            }        }        static void Main(string[] args)        {            Person p1 = new Person();            p1.age=20;            p1.name = "aaa";            Person p2 = new Person();            p2.age = 20;            p2.name = "aaa";            //Console.WriteLine(p1==p2);            //Console.WriteLine(p1.Equals(p2));            Person p3 = deepCopy(p2);            p2.age = 30;            Console.WriteLine(p2.age);            Console.WriteLine(p3.age);             Console.ReadKey();        }    }}