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

public class a3Userinfo3 extends HttpServlet  {
   
   ServletContext ctx = null;
   public void init(ServletConfig config) {
	   synchronized(this) {
		   if(ctx == null) {
			   ctx = config.getServletContext();
		   }
	   }
   }
   
   public void service(HttpServletRequest req,
                       HttpServletResponse res)
   throws ServletException, IOException  {

       //画面を表示
       RequestDispatcher rd =
           ctx.getRequestDispatcher("http://localhost:8080/xxx/a3userinfo3.jsp");
       rd.forward(req,res);
   }
}