Stack：棧，表示對象的簡單的后進先出非泛型集合。Push方法入棧，Pop方法出棧。
using?System;
using?System.Collections.Generic;
using?System.Text;
using?System.Collections;
namespace?ConsoleApplication1
{
????class?Program
????{
????????static?void?Main(string[]?args)
????????{
????????????Stack?sk?=?new?Stack();
????????????Stack?sk2?=?new?Stack();
????????????foreach?(int?i?in?new?int[4]?{?1,?2,?3,?4?})
????????????{
????????????????sk.Push(i);//入棧
????????????????sk2.Push(i);
????????????}

????????????foreach?(int?i?in?sk)
????????????{
????????????????Console.WriteLine(i);//遍歷
????????????}

????????????sk.Pop();//出棧
????????????Console.WriteLine("Pop");
????????????foreach?(int?i?in?sk)
????????????{
????????????????Console.WriteLine(i);
????????????}

????????????sk2.Peek();//彈出最后一項不刪除
????????????Console.WriteLine("Peek");
????????????foreach?(int?i?in?sk2)
????????????{
????????????????Console.WriteLine(i);
????????????}
????????}
????}
}

轉載于:https://www.cnblogs.com/wf225/archive/2008/01/14/1038081.html

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