C#=> 栈模仿堆的操作

//原理，利用两个栈，互相作用，来模仿堆的效果，先进先出。。

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;

 namespace TwoStacksQueue
 {
     public class Program
     {
         public void Main(string[] args)
         {
             TwoStaksQueues twoStaksQueues = new TwoStaksQueues();

             twoStaksQueues.Add();
             twoStaksQueues.Add();
             twoStaksQueues.Add();

             Console.WriteLine(twoStaksQueues.Peek());

             twoStaksQueues.Poll();

             Console.WriteLine(twoStaksQueues.Peek());

             Console.ReadLine();
         }
         public class TwoStaksQueues
         {
             public Stack<int> stacksPush;
             public Stack<int> stackPop;
             public TwoStaksQueues()
             {
                 stackPop = new Stack<int>();
                 stacksPush = new Stack<int>();
             }
             public void Add(int newNumber)
             {
                 stacksPush.Push(newNumber);
             }

             public int Poll()
             {
                 if (stacksPush.Count() ==  && stackPop.Count() == )
                 {

                     throw new ArgumentOutOfRangeException("DataStacks is Empty");
                 }
                 if (stackPop.Count() == )
                 {
                     while (stacksPush.Count() != )
                     {
                         stackPop.Push(stacksPush.Pop());
                     }
                 }
                 return stackPop.Pop();
             }
             public int Peek()
             {
                 if (stacksPush.Count() ==  && stackPop.Count() == )
                 {
                     throw new IndexOutOfRangeException("DataStacks is Empty");
                 }
                 if (stackPop.Count() == )
                 {
                     while (stacksPush.Count() != )
                     {
                         stackPop.Push(stacksPush.Pop());
                     }
                 }
                 return stackPop.Peek();

             }
         }
     }
 }