import javax.servlet.*;
import java.io.IOException;

public class AttributeSetterServlet implements Servlet {

  public void init(ServletConfig config) throws ServletException {
    // bind an object that is to be shared among other servlets
    ServletContext servletContext = config.getServletContext();
    servletContext.setAttribute("password", "dingdong");
  }

  public void service(ServletRequest request, ServletResponse response)
    throws ServletException, IOException {
  }

  public void destroy() {
  }

  public String getServletInfo() {
    return null;
  }
  public ServletConfig getServletConfig() {
    return null;
  }
}