Oracle JDev 10g Dev Preview - More generics fun

Building off of the previous post about how imports don't clean up properly when you are using generics... My co-workers and I are having fun working with Generics and the Code Assist feature. As Soon as a collection with Generic information is used in a class, Code assist fails to work with any methods. It shows autocomplete on defining classes, but if, for example, you want to type a method to an instanciated object, lets say,
Collection aColl = new ArrayList();
aColl.ite <ctrl> - <space>
Nothing happens. Nothing to even indicate there is a code assist there.
Is this a known "feature" / "bug"?
Is there going to be another Dev Preview released anytime soon? Our company is leveraging the power of Java 5, and without the tools, it is getting more difficult to use the advanced features....

See:
When is JDeveloper 10.1.3 going production?
Sascha

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    3a) Use a different hierarchy tree for each project (ie: locate each project source in a different folder) and carefully remove the files you don't need. Huge pain with versioning and check out module. You have to check out each file individually.
    3b) refactoring. Move the file in a new folder and exclude that "subfolder" in the project content (first page in the project properties).
    In the long term this refactoring could be a good thing. In the short term it is a major pain because most projects use intertwined packages.
    Some examples:
    1) I use only one hierarchy tree for several projects. I have to include much more libraries in my projects to be able to compile. For example, I have a swing application. In a package used by this swing application, one class does an import of some j2ee stuff.
    I never use this class in the swing application. I have to include all the j2ee libs to compile my project.
    2) I have a factory constructor interface dealing with java.sql.DataSource.
    I have several implementations depending on the target jdbc driver (classes12.jar ojdbc14.jar,mysql-connector-java-2.0.14-bin.jar,...). Each implementation is put in the same folder:
    /mycompany/mypackage/MyDataSourceOracle14.java
    /mycompany/mypackage/MyDataSourceOracle12.java
    /mycompany/mypackage/MyDataSourceMySql.java
    The implementation with classes12.jar is incompatible with the one with ojdbc14.jar.
    With JDev 10g preview, there is just no way to rebuild my project. I had to refactor and use subfolders:
    /mycompany/mypackage/Oracle14/MyDataSourceOracle14.java
    /mycompany/mypackage/Oracle12/MyDataSourceOracle12.java
    /mycompany/mypackage/MySql/MyDataSourceMySql.java

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