SumaResponseServlet.java


package com.roshka.webprojecttest.servlets;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet("/suma-response")
public class SumaResponseServlet extends HttpServlet {
	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException
	{
		PrintWriter pw = new PrintWriter(resp.getOutputStream());
		
		String s1 = req.getParameter("s1");
		String s2 = req.getParameter("s2");
		
		pw.write("<html>"
				+ "<head>"
				+ "<title>Hola, bienvenidos al sumador</title>"
				+ "</head>"
				+ "<body>"
				+ "<h1>Soy un sumador</h1>"
				+ "<div>"
				+ "<p>Operador s1: " + s1 + "</p>"
				+ "<p>Operador s2: " + s2 + "</p>"
				+ "<p>s1 + s2: " + (Double.parseDouble(s1) + Double.parseDouble(s2)) + "</p>"
				+ "</div>"
				+ "</body>"
				+ "</html>");
		
		pw.close();
	}
}