Create Sealed Class Object & call sealed method with non sealed class, C#

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    
      public  class SampleClass
      {
           public string GetName(string Name)
           {
               Console.WriteLine(Name);   
               return Name;
           }
          public virtual string GetNameValue(string Name)
           {
               Console.WriteLine(Name);   
               return Name;
           }
      }
    public sealed class ChildClass: SampleClass
    {
        public override sealed string GetNameValue(string Name)
           {
               Console.WriteLine(Name);   
               return Name;
           }
    }
    
    public class Program
    {
        public static void Main(string[] args)
        {
            //Your code goes here
            Console.WriteLine("Hello, world!");
            SampleClass sc=new SampleClass();
            SampleClass scR=sc;
            ChildClass cc=new ChildClass();   // Created Object for sealed class
            sc.GetName("Chinna");
            cc.GetNameValue("Selad Method");  // Call Sealed Method
            scR.GetNameValue("Call Sealed from Non Sealed Class Reference"); // Call 'ChildClass' sealed method from Non selaed Parent class.
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,12 sec, absolute running time: 0,08 sec, cpu time: 0,08 sec, average memory usage: 13 Mb, average nr of threads: 3, absolute service time: 0,25 sec