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

It's basically inside your JAR's MANIFEST file under /META-INF/MANIFEST.MF:

Name: javax/servlet/
Specification-Title: Java API for Servlets
Specification-Version: 3.0
Specification-Vendor: Sun Microsystems, Inc.
Implementation-Title: javax.servlet
Implementation-Version: 3.0.FR
Implementation-Vendor: Apache Software Foundation