OpenJDK 6, NetBeans 6.0.1 on Ubuntu 8.04
You can now use pre-built OpenJDK 6 for your Java development on Ubuntu 8.04.
See the links for more information:
Also, NetBeans 6.0.1 is now available in the repos (http://java.dzone.com/news/ubuntu-hardy-heron-804-reposit)
So, now you know what to do? Start using NetBeans 6.0.1 with OpenJDK 6!