Dependency injection with Guice

The servlet class is very simple as shown in the following:

package; import; import; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import; public class Mastermind extends HttpServlet {     private static final Logger log = LoggerFactory.getLogger(Mastermind.class);     public void doGet(HttpServletRequest request,                       HttpServletResponse response)             throws ServletException, IOException {         doPost(request, response);     }  public ...

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