堆栈Stack

      堆栈对象Stack和数据结构中的堆栈对象一样，即从顺序表的一段插入，并从这一段取出，可理解为一堆盘子，只能从盘子的上面增加和拿走盘子。

     

/*
  Example11_11.cs illustrates the use of a Stack
*/

using System;
using System.Collections;

class Example11_11
{

  public static void Main()
  {

    // create a Stack object
    Stack myStack = new Stack();

    // add four elements to myStack using the Push() method
    myStack.Push("This");
    myStack.Push("is");
    myStack.Push("a");
    myStack.Push("test");

    // display the elements in myStack
    foreach (string myString in myStack)
    {
      Console.WriteLine("myString = " + myString);
    }

    // get the number of elements in myStack using the
    // Count property
    int numElements = myStack.Count;

    for (int count = 0; count < numElements; count++)
    {

      // examine an element in myStack using Peek()
      Console.WriteLine("myStack.Peek() = " +
        myStack.Peek());

      // remove an element from myStack using Pop()
      Console.WriteLine("myStack.Pop() = " +
        myStack.Pop());

    }

  }

}