// AdditionServlet.java

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

public class AdditionServlet extends HttpServlet {

  public void doGet(HttpServletRequest req, HttpServletResponse res)
    throws ServletException, IOException {
    res.setContentType("text/html");
    ServletOutputStream out = res.getOutputStream();

    out.println("<HTML><BODY>");
    out.println("We are pleased to inform you that the result " +
		"of your calculation is now ready:");
    String[] number1params = req.getParameterValues("number1");
    int number1 = Integer.parseInt(number1params[0]);
    String[] number2params = req.getParameterValues("number2");
    int number2 = Integer.parseInt(number2params[0]);
    int sum = number1 + number2;
    out.println("<P>You kindly sent us the numbers " + number1 +
		" and " + number2);
    out.println("<P>The sum of the numbers is " + sum);
    out.println("</BODY></HTML>");
  }
}

