ServletContext context = getServletContext(); int majorVersion = context.getMajorVersion(); System.out.println("Servlet major version is " + majorVersion);
if (context.getMajorVersion() >= 3) { // code for Servlet 3.0 or later } else { // code for earlier Servlet versions }This example checks the major version number of the server's Servlet specification and executes different code depending on whether it is version 3.0 or later, or an earlier version. The javax.servlet package is part of the Java Servlet API library.