RequestParam 일괄 출력

Set<String> keySet = request.getParameterMap().keySet();
for(String key: keySet) {
	System.out.println(key + ": " + request.getParameter(key));
}
	
Enumeration names = request.getParameterNames();
while(names.hasMoreElements()) {
	String key = (String) names.nextElement();
	System.out.println(key + ": " + request.getParameter(key));
}
return "test";