Query collections using SQL (JoSQL.sf.net) should part of JRE!
I think this is a very good library and it should be part of JRE! Everyone please take a look at JoSQL.sf.net
I know it fail in SQLJ.... anyway, SQLJ still a very good part! few sad it didnt become as Java standard.... :-(
.NET is coming! and it was a success in Sybase PowerBuilder, i really dont know why it didnt really take off in Java :-(