protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("application/json;charset=UTF-8");
try (PrintWriter out = response.getWriter()) {
out.println("[{"name": "Nadal, Rafael (ESP)", "email": "nadalrafael@gmail.com", "rank": "1"},"
+ "{"name": "Djokovic, Novak (SRB)", "email": "djokovicnovak@gmail.com", "rank": "2"},"
+ "{"name": "Federer, Roger (SUI)", "email": "federerroger@gmail.com", "rank": "3"},"
+ "{"name": "Wawrinka, Stan (SUI)", "email": "wawrinkastan@gmail.com", "rank": "4"},"
+ "{"name": "Ferrer, David (ESP)", "email": "ferrerdavid@gmail.com", "rank": "5"}]");
}