unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
uses Generics.Collections;
procedure TForm1.Button1Click(Sender: TObject);
var
Stack: TStack<string>;
s,str: string;
begin
Stack := TStack<string>.Create();
{壓棧}
Stack.Push('AAA');
Stack.Push('BBB');
Stack.Push('CCC');
str := '';
for s in Stack do str := str + s + ' ';
ShowMessage(str); {AAA BBB CCC }
{出棧: 後進的先出}
Stack.Pop;
str := '';
for s in Stack do str := str + s + ' ';
ShowMessage(str); {AAA BBB }
{下一個將要出棧的...}
ShowMessage(Stack.Peek); {BBB}
Stack.Free;
end;
end.