stack using LinkedList in C#, C#

stack using LinkedList in C#

//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 Node
    {
        public int Value {get; set;}
        public Node Next {get; set;}
            }
    
    
    public class Stack
    {
      Node head;
        
        
        //print stack elements
        public void PrintAllNodes()
  {
          Node current = head;
             while(current!=null){
          Console.WriteLine(current.Value);
          current=current.Next;
          
          }
        }
        
        
        //push operation
        public void Push(Object Val)
        {
            
            Node temp= new Node();
            temp.Value =(int) Val;
         
                 temp.Next=head;
                head=temp;

}
        
        //pop operation
        public void  Pop()
        {
     Node temp= new Node();
        
            if( head==null)
            {Console.Write("Head is null");}
            
            temp= head;
            head= head.Next;
            temp=null;
                      
        }
            
        
    }
 
        
    public class Program{
        public static void Main(string[] args)
        {
            Stack st= new Stack();
           Node h = new Node();
            
            st.Push(3);
             st.Push(8);
            st.Push(5);
            Console.Write("after push \n");
            st.PrintAllNodes();
            
            st.Pop();
              Console.Write("after POP \n");
            st.PrintAllNodes();
        }
    
    }}


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