import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class Fibo extends HttpServlet {
private int fibo(int n) {
if (n < 2) return n;
else return fibo(n - 1) + fibo(n - 2);
}
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String nstr = request.getParameter("n");
int n = 0;
if (nstr != null) n = Integer.parseInt(nstr);
else n = Integer.parseInt(getServletConfig().getInitParameter("n_pocz"));
int fn = fibo(n);
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("");
out.println("");
out.println("");
out.println("liczby Fibonacciego");
out.println("");
out.println("");
out.println("liczby Fibonacciego
");
out.println("");
String message = String.format("F(%d) = %d", n, fn);
out.println("" + message + "
");
out.println("
");
String mail = getServletContext().getInitParameter("mail");
out.println("mail do autora: " + mail + "
");
out.println("");
out.println("");
}
}