factorymethodunit3.pas

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unit FactoryMethodUnit3;

interface
type
  TProduct = class
  public
    constructor Create; virtual;
    destructor Destroy; override;
  end;
    TMyProduct = class(TProduct)
  public
    constructor Create; virtual;
    destructor Destroy; override;
  end;

  TCreator = class
  public
    constructor Create; virtual;
    destructor Destroy; override;

    function CreateProduct(): TProduct; virtual;
  end;

  TStandardCreator = class(TCreator)
  public
    constructor Create; virtual;
    destructor Destroy; override;
    function CreateProduct(): TProduct; override;
  private
    FTheProduct: TProduct;
  end;


implementation

constructor TProduct.Create;
begin
//......
end;

destructor TProduct.Destroy;
begin
//......
end;
end.