How do I know what version of servlet-api.jar I have?

Question

I downloaded a copy of servlet-api.jar from java2s.com. How do I know what version it is? There\'s no reference on the site.

EDIT

Ah. Apo

Answer 1

for followers, if it's in a jnlp distro, there may be an accompanying "version.xml" file that tells you what versions each jar is respectively.