C# ICloneable,shallow clone,deep clone.

 [Serializable]
     public class Person:ICloneable
     {
         public string Name { get; set; }
         public int Id { get; set; }
         public int Age { get; set; }
         public Department Department { get; set; }

         public object Clone()
         {
            return  this.MemberwiseClone();
         }

         public Person ShallowClone()
         {
             return Clone() as Person;
         }

         public Person DeepClone()
         {
             using (Stream objStream = new MemoryStream())
             {
                 IFormatter formatter = new BinaryFormatter();
                 formatter.Serialize(objStream, this);
                 objStream.Seek(, SeekOrigin.Begin);
                 return formatter.Deserialize(objStream) as Person;
             }
         }
     }

     [Serializable]
     public class Department
     {
         public string DeptName { get; set; }
         public int DeptId { get; set; }
     }

  class Program
     {
         static void Main(string[] args)
         {
             CloneDemo();
             Console.ReadLine();
         }

         static void CloneDemo()
         {
             Person fred = new Person()
             {
                 Id = ,
                 Name = "Fred",
                 Age = ,
                 Department=new Department()
                 {
                     DeptId=,
                     DeptName="Dept1"
                 }
             };

             Console.WriteLine($"fred,name:{fred.Name},Id:{fred.Name},department name:{fred.Department.DeptName},deptid:{fred.Department.DeptId}");

             Person shallowClonePerson = fred.ShallowClone() as Person;
             Console.WriteLine($"shallowClonePerson,Name:{shallowClonePerson.Name},Id:{shallowClonePerson.Id},department name:{shallowClonePerson.Department.DeptName},deptId:{shallowClonePerson.Department.DeptId}");

             fred.Id = ;
             fred.Name = "fred2";
             fred.Age = ;
             fred.Department.DeptId = ;
             fred.Department.DeptName = "dept2";
             Console.WriteLine($"shallowClonePerson,Name:{shallowClonePerson.Name},Id:{shallowClonePerson.Id},department name:{shallowClonePerson.Department.DeptName},deptId:{shallowClonePerson.Department.DeptId}");

             Person deepClonePerson = fred.DeepClone() as Person;
             Console.WriteLine($"deepClonePerson,Name:{deepClonePerson.Name},Id:{deepClonePerson.Id},department name:{deepClonePerson.Department.DeptName},id:{deepClonePerson.Department.DeptId}");

             fred.Id = ;
             fred.Name = "Fred3";
             fred.Age = ;
             fred.Department.DeptId = ;
             fred.Department.DeptName = "dept3";
             Console.WriteLine($"deepClonePerson,Name:{deepClonePerson.Name},Id:{deepClonePerson.Id},department name:{deepClonePerson.Department.DeptName},id:{deepClonePerson.Department.DeptId}");
         }
 }