Is there programmatic way to determine which version of the java ee environment is available?
Is there programmatic way to determine which version of the java ee environment is
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Is there programmatic way to determine which version of the java ee environment is available?
There’s no standard way to do that. The closest you could do is use reflection/ClassLoader and check for specific API classes/methods that were introduced in a given Java EE version.
Off the top of my head:
javax.ejb.Singletonjavax.ejb.Statelessjavax.ejb.TimerServicejavax.ejb.MessageDrivenBeanBefore that it’s J2EE 1.2 / EJB 1.1
Though, note, if this is for Tomcat (judging by the tag), the best way is to just check
System.getProperty("tomcat.version"). You should be able to imply the servlet version based on the Tomcat version.