custom Generic stack Implementation, 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;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            //custom Generic stack Implementation
           myStack<String> st = new myStack<String>();
           st.Push("Rama");
           st.Push("Krishna");
           st.Push("Ram");
           st.Push("Krish");
           st.printStack();
           st.Pop();
           st.Pop();
           st.printStack();
       }
      
   }
    
    
    public class myStack<T>
    {
        private int top;
        private List<T> list;
        public myStack() {
            top = -1;
            list = new List<T>();
        }
       
        public void Push(T item) {
            top++;
            list.Add(item);
        }
        public T Pop() {
            T obj = list[top];
            list.Remove(obj);
            top--;
            return obj;
        }
       
        public T peek() {
            return list[top];
        }
        
         public void printStack() {
             Console.WriteLine("\n Stack elements");
             foreach (T i in list) {
                Console.WriteLine(i);
           }
        }
        
    }
    
}

Show compiler warnings [ + ] Show input
Compilation time: 0,14 sec, absolute running time: 0,09 sec, cpu time: 0,09 sec, average memory usage: 15 Mb, average nr of threads: 3, absolute service time: 0,26 sec