Demo of C# Diy Stack

DIY Stack

using System;
using System.Collections;
 
namespace StackQueue
{
    public class MyStack
    {
        object[] store = new object[0];
 
        public void Push(object x)
        {
            object[] new_store = new object[store.Length +1];
            new_store[new_store.Length -1] = x;
            store = new_store;
        }
 
        public object Pop()
        {
            object last = store[store.Length - 1];
            object[] new_store = new object[store.Length -1];
            for (int i = 0; i < new_store.Length; i++)
            {
                new_store[i] = store[i];
            }
            store = new_store;
            return last;
        }
        public object Peek()
        {
            return store.Last();
        }
        public bool Empty()
        {
            if (store.Length > 0) 
            {
                return false;
            } 
            else 
            {
                return true;
            }
        }
    }
}