Online IDE for Java development

code.google.com/p/aurorasdk/ — there is such, only it looks damp. Based on the Eclipse. Work with any servlet container such as Apache Tomcat, database and GWT (Google Web Toolkit code.google.com/intl/ru-RU/webtoolkit/). Really hardly already tell exactly how she diploidy because long ago it was... But it seems somehow there are docks.

Itellij IDEA Common Edition

Cloud Online IDE gives the possibility of direct development in Hivext Cloud Platform. You can create Java, PHP or ServerSide JavaScript applications. Also, to accelerate the development of complex Internet applications Hivext provides different services from a set of ready-made services, such as file storage, authorization, registration, data access control, service, scripting, service agencies, others. Still have client SDKs for different languages:JavaScript, j2me, j2se, ActionScript/Flash/Flex, Qt, PHP is drapery services as simple as remote services. Menu IDEA there is a link to examples and documentation.
To complete the idea away, but everything is in our hands ;). If you like (or not like) will be happy to hear your feedback or recommendations on the forum.

Codenvy - there is no problem compelete Java application and can run the web application. There is auto-completion, syntax coloring, hints.

You can load as your library or use third-party software dependencies. Collector of projects of Maven. For version control use Git. There is integration with GitHub and BitBucket.