Your Java applications will purr in Windows Azure just like a cat! You can easily host your Java application that run on a regular Windows Server as easily in Windows Azure. More over you can build your Java Windows Azure applications in Eclipse with full tooling support and JDK. Microsoft has gone public with Java being “a first class citizen” in Windows Azure.
http://ndc2011.macsimum.no/mp4/Day1%20Wednesday/Track1%201340-1440.mp4