It appears to be official. The net is buzzing. Sun has released Java under the GPL. Thank you Sun. And thank you GNU Classpath and GCJ developers. Your work only helped make this happen. And what a reward! Your cooperative community instantaneously and exponentially grew.
The "classpath exception" appears to make the GPL act more like the LGPL. Nonetheless, the choice of licensing is incredibly good news. The free software community welcomes Java!