java partial classes

Question

Small preamble. I was good java developer on 1.4 jdk. After it I have switched to another platforms, but here I come with problem so question is strongly about jdk 1.6 (or h

Answer 1

Java does not have support for partials or open classes. Other JVM languages do, but not Java. In your example, the simplest thing may unfortunately be to use delegation. You can have your AImpl take another object that fulfills an interface to these extension methods. The generated AImpl would then have generated methods such as iterator methods that it could delegate to the user created object you pass in.