Ejemplo de un Servlet básico de Java, navegando en la web

package com.mycompany;

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

/**
*
* @author James Rechy
* @version
*/
public class James extends HttpServlet {

/**
* Initializes the servlet.
*/
public void init(ServletConfig config) throws ServletException {

config.getServletContext().log("Iniciado MiServlet a las" +new Date());
super.init(config);
}


/** Destroys the servlet.
*/
public void destroy() {

}

/** Processes requests for both HTTP GET and POST methods.
* @param request servlet request
* @param response servlet response
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();

out.println("< html>");
out.println("< head>");
out.println("< title>Ejemplo de un servlet en la web < /title>");
out.println("< br>< /br>");
out.println("< hr>< i>< b>WELLCOME TO JAVA AND SERVLETS 2008< /b>< /i>< /hr>");
out.println("< br>< /br>");
out.println("< h1>< font color=BLUE>HELLO,GRETTINGS FROM YOUR FRIEND JAMES RECHY, PROBANDO UN SERVLET DE JAVA< /font>< /h1>");

out.println("Usuario:< INPUT type=text name=usuario>");

out.println("< /head>");
out.println("< body background=SKYBLUE");



out.println("< /body>");
out.println("< /html>");

out.close();
}

/**
* Handles the HTTP < code> GET < /code> method.
* @param request servlet request
* @param response servlet response
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}

/**
* Handles the HTTP < code> POST < /code> method.
* @param request servlet request
* @param response servlet response
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}

/** Returns a short description of the servlet.
*/
public String getServletInfo() {
return "Short description";
}

}