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Delphi Éè¼ÆÄ£Ê½£º¡¶HeadFirstÉè¼ÆÄ£Ê½¡·Delphi7´úÂë

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1.ÏÖÓÐÀ࣬±»×ª»»½Ó¿ÚÕß
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{ ÏÖÓÐÀà }
{ ±àÒ빤¾ß£ºDelphi7.0 }
{ E-Mail £ºxshlife@163.com }

unit uAdaptee;

interface

type
TTurkey = class(TObject)
public
procedure Gobble; virtual; abstract;
procedure Fly; virtual; abstract;
end;

TWildTurkey = class(TTurkey)
public
procedure Gobble; override;
procedure Fly; override;
end;

implementation

{ TWildTurkey }

procedure TWildTurkey.Fly;
begin
Writeln('I''m flying a short distance.');
end;

procedure TWildTurkey.Gobble;
begin
Writeln('Gobble gobble.');
end;

end.

2.Ä¿±êÀà
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unit uTarget;

interface

type
TDuck = class(TObject)
public
procedure Quack; virtual; abstract;
procedure Fly; virtual; abstract;
end;

TMallarDuck = class(TDuck)
public
procedure Quack; override;
procedure Fly; override;
end;

implementation

{ TMallarDuck }

procedure TMallarDuck.Fly;
begin
Writeln('I''m flying.');
end;

procedure TMallarDuck.Quack;
begin
Writeln('Quack.');
end;

end.

3.ÊÊÅäÆ÷
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unit uAdapter;

interface

uses
uTarget, uAdap


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Delphi 2010Õýʽ°æÏÂÔØ(RAD Studio 2010ÏÂÔØ)

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Delphi Éè¼ÆÄ£Ê½£º¡¶HeadFirstÉè¼ÆÄ£Ê½¡·Delphi7´úÂë

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{ ²úÆ·Àà }
{ ±àÒ빤¾ß £ºDelphi7.0 }
{ ÁªÏµ·½Ê½ £ºxshlife@163.com }

unit uProducts;

interface

type
TPizza = class(TObject)
public
procedure Prepare; virt ......

delphi ¶à̬

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