Where are the request method constants in the Servlet API?

Question

I want to write

if (POST.equals(req.getMethod()))

instead of

if (\"POST\".equals(req.getMethod()))

but I

Answer 1

Outside of the JDK, Apache Axis has a public constant for POST (but not for any of the other methods):

org.apache.axis.transport.http.HTTPConstants.HEADER_POST