C# 集合类（一）：Stack

Stack：栈，表示对象的简单的后进先出非泛型集合。Push方法入栈，Pop方法出栈。

<!--<br /> <br /> Code highlighting produced by Actipro CodeHighlighter (freeware)<br /> http://www.CodeHighlighter.com/<br /> <br /> -->usingSystem;
usingSystem.Collections.Generic;
usingSystem.Text;
usingSystem.Collections;
namespaceConsoleApplication1
{
classProgram
{
staticvoidMain(string[]args)
{
Stacksk=newStack();
Stacksk2=newStack();
foreach(intiinnewint[4]{1,2,3,4})
{
sk.Push(i);//入栈
sk2.Push(i);
}

foreach(intiinsk)
{
Console.WriteLine(i);//遍历
}

sk.Pop();//出栈
Console.WriteLine("Pop");
foreach(intiinsk)
{
Console.WriteLine(i);
}

sk2.Peek();//弹出最后一项不删除
Console.WriteLine("Peek");
foreach(intiinsk2)
{
Console.WriteLine(i);
}
}
}
}