J2EE1.3 is the current version. J2EE1.4 is in beta at the moment and would be released soon. J2EE1.3 and 1.4 tutorials can be found at Sun's site. The EJB tutorial runs with the Sun's Reference Implementation of an EJB Container. http://java.sun.com/j2ee/download.html#tutorial
With a little knowledge, a cast iron skillet is non-stick and lasts a lifetime.