A couple of weeks ago I attended a oracle seminar about JHeadstart. This is a tool created by Oracle Consulting in the Netherlands that allows you to quickly setup a new java application using UIX, BC4J and Oracle’s MVC framework. They are also starting to support JSP and Struts. JHeadstart allows you to generate an application based on data in the Oracle Designer Repository, which may be a good way to migrate your old Oracle Forms application to Java.
An article about this seminar is available here (in Dutch).