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\begin{tikzpicture}[show background grid]
\begin{interface}{AbstractFactory}{0,0}
\operation[0]{+ CreateProductA()}
\operation[0]{+ CreateProductB()}
\end{interface}
\begin{class}{ConcreteFactory2}{-3,-4}
\implement{AbstractFactory}
\operation{+ CreateProductA()}
\operation{+ CreateProductB()}
\end{class}
\begin{class}{ConcreteFactory1}{3,-4}
\implement{AbstractFactory}
\operation{+ CreateProductA()}
\operation{+ CreateProductB()}
\end{class}
\begin{interface}{AbstractProductA}{15,-2}
\end{interface}
\begin{class}{ProductA1}{12,-5}
\implement{AbstractProductA}
\end{class}
\begin{class}{ProductA2}{18,-5}
\implement{AbstractProductA}
\end{class}
\draw[umlcd style dashed line,->] (ConcreteFactory1) --node[above,
sloped, black]{$<<$instantiate$>>$} (ProductA1);
\draw[umlcd style dashed line,->] (ConcreteFactory2.south) ++
(1,0) -- ++(0,-1) -- node[above, sloped,
black]{$<<$instantiate$>>$} ++(20,0) -| (ProductA2);
\begin{interface}{AbstractProductB}{15,-8}
\end{interface}
\begin{class}{ProductB1}{12,-11}
\implement{AbstractProductB}
\end{class}
\begin{class}{ProductB2}{18,-11}
\implement{AbstractProductB}
\end{class}
\draw[umlcd style dashed line,->] (ConcreteFactory1) |-node[above,
sloped, black]{$<<$instantiate$>>$} (ProductB1);
\draw[umlcd style dashed line,->] (ConcreteFactory2.south) ++
(-1,0) -- ++(0,-7) -- node[above, sloped,
black]{$<<$instantiate$>>$} ++(20,0) -| (ProductB2);
\begin{class}{Client}{22,-0.5}
\end{class}
\draw[umlcd style dashed line,->] (Client) --node[above, sloped,
black]{$<<$import$>>$} (AbstractFactory);
\draw[umlcd style dashed line,->] (Client) |-node[above, sloped,
black]{$<<$import$>>$} (AbstractProductA);
\draw[umlcd style dashed line,->] (Client) |-node[above, sloped,
black]{$<<$import$>>$} (AbstractProductB);
\end{tikzpicture}
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