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

public class ConfigDemoServlet implements Servlet {

  public void init(ServletConfig config) throws ServletException {
    Enumeration parameters = config.getInitParameterNames();
    while (parameters.hasMoreElements()) {
      String parameter = (String) parameters.nextElement();
      System.out.println("Parameter name : " + parameter);
      System.out.println("Parameter value : " + 
        config.getInitParameter(parameter));
    }
  }

  public void destroy() {
  }

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

  public String getServletInfo() {
    return null;
  }

  public ServletConfig getServletConfig() {
    return null;
  }
}