Print HttpServletRequest headers and their values

Print HttpServletRequest headers and their values

                System.out.println(request.getMethod() + " : " + request.getRequestedSessionId());

                Enumeration headerNames = request.getHeaderNames();
                while (headerNames.hasMoreElements()) {
                    String headerName = (String) headerNames.nextElement();
                    Enumeration headerValues = request.getHeaders(headerName);
                    while (headerValues.hasMoreElements()) {
                        String headerValue = (String) headerValues.nextElement();
                        System.out.println("\t" + headerName + " : " + headerValue);
                    }
                }