helloworldservlet.java

java servlet is a good practice for you and me to pracitce

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

public class HelloWorldServlet extends HttpServlet {
    public void service(HttpServletRequest request,
            HttpServletResponse response)
            throws ServletException, IOException {

        response.setContentType("text/html; charset=big5");
        request.setCharacterEncoding("big5");

        String theMessage = "Hello, World!";
        String targetURL = "/HelloFromServlet.jsp";
        request.setAttribute("message", theMessage);
        RequestDispatcher rd;
        rd = getServletContext().getRequestDispatcher(targetURL);
        rd.forward(request, response);
    }
}