Enumeration enum = request.getParameterNames();
String line = "";
while (enum.hasMoreElements()) {
String paramName = (String)enum.nextElement();
String[] values = request.getParameterValues(paramName);
out.println("parameter name: " + paramName);
for (int i = 0; i < values.length, i++) {
out.println("values: " + values[i]);
}
}