I find java.util.concurrent to very a pretty good tool when developing multi-threaded systems. What are your thoughts about j.u.c vs the C++0x solution?
I guess you will be using (atleast to some extent) HBase in some of the examples in the book. Im curios about if you mention some other data stores that support Hadoop, e.g. Apache Cassandra?
Yesterday I was on a "java one summary thing". One of the speakers said that his personal feeling was that javafx would replace javame in a not to far away future. What are your oppinons about this?
Its always interesting with comparison (well, mostly). So I would like to know if you are comparing the Android mobile platform with pre existing mobile platforms (Symbian, EMP, etc.) ?