unit Unit1;interfaceuses  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, Generics.Defaults;procedure TForm1.Button1Click(Sender: TObject);var  List: TList
    
     ;  i: Integer;  str: string;begin  List := TList
     
      .Create();  List.AddRange([22,33,11]);  str := '';  for i in List do str := str + IntToStr(i) + ' ';   ShowMessage(str); {22 33 11 }  {排序}  List.Sort;  str := '';  for i in List do str := str + IntToStr(i) + ' ';   ShowMessage(str); {11 22 33 }  {倒排序}  List.Sort(TComparer
      
       .Construct(    function (const n1,n2: Integer): Integer    begin      Result := n2 - n1;    end));  str := '';  for i in List do str := str + IntToStr(i) + ' ';   ShowMessage(str); {33 22 11 }  List.Free;end;end.