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1.ÏÖÓÐÀ࣬±»×ª»»½Ó¿ÚÕß
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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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ÔÚprojectÖУ¬Ìí¼ÓÒ»ÐÐ ReportMemoryLeaksOnShutdown := DebugHook<>0;
DebugHook<>0 Ä¿µÄÊDZ£Ö¤µ¥¶ÀÔËÐÐexeÎļþ²»»áµ¯³öÄÚ´æÐ¹Â¶¿ò£¬Ô´Âë¿ÉÒÔ²»ÓÃ×¢Ê͵ô´ËÐÐ
program Project1;
uses
Forms,
......
//¶¨ÒåMyClass
TMyClass = class
GUID: string;
Name: string;
bSex: Boolean;
Tel : string;
end;
//ȡֵ
var
obj: TMyClass;
begin
obj := TMyClass.Create;
with Memo1.Lines do
begin
Add('¶ÔÏó´óС:' + IntToStr(obj.InstanceSize));
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1.Ö÷ÌâÓë¹Û²ìÕß
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unit uWeatherReport;
interface
uses
Classes, SysUtils;
type
TObserver = class; { ForwardÉùÃ÷£¬´´½¨Á½¸öÏà ......
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