Within an application workspace, you can have one or more projects. Your common workspaces will typically contain only one project, but your subsystem workspaces will always contain at least two or three projects:
When you create a new application workspace of type Fusion Web Application, JDeveloper will automatically create a model and a view/controller project for you. You should not use the default project names, as this will cause problems when you combine ADF libraries from multiple projects in the master workspace.
Instead, name both projects after your subsystem with the suffixes
View, respectively. For example, if your subsystem is called
TaskHandling, you should use ...