OiHttpServlet.java

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

public class OiHttpServlet extends HttpServlet {
  public void doGet(HttpServletRequest solicitacao,
		    HttpServletResponse resposta) 
    throws ServletException, IOException {
    resposta.setContentType("text/html");
    PrintWriter saida = resposta.getWriter();
    saida.println("<HTML>");
    saida.println("<HEAD><TITLE>Resposta do servlet</TITLE></HEAD>");
    saida.println("<BODY><P>Oi!</P></BODY>");
    saida.println("</HTML>");
  }
}