Java tutorial
import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class UrlRedirect extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, java.io.IOException { String contextPath = "http://www.java2s.com"; response.sendRedirect(response.encodeRedirectURL(contextPath + "/maps")); } }