Apache Tomacat versions and Java Servlet/JSP specifications

The Java Servlet and JSP (Java Server Pages) specifications are designed by the JCP community.And the Apache Tomcat software are developed by the Apache Software Foundation having the specific version number.Each Tomcat  version implements the specific specification of the Servlet and JSP..One more thing is that for each upgraded specification of  Servlet and JSP specification the Java platform version is also upgraded or vice-versa.

Here is a mapping table of the Tomact version and a Java Servlet and JSP specification plus Java platform version.

Apache Tomcat version_no.	Servlet Specification	JSP Specification	Java palform (minimum)
7.0x	3.0	2.2	1.6
6.0x	2.5	2.1	1.5
5.5x	2.4	2.0	1.4
4.1x	2.3	1.2	1.3
3.3x	2.2	1.1	1.1