Before you begin developing Web services or clients, you can optimize the workbench for Web services development by setting a variety of preferences.
Web services tools enable you to define the following preferences:
Note that when this preference is enabled, if you change the return type of an interface, the resulting skeleton file will have a method returning the type as defined in the new interface but would have a method body from the original skeleton file (which would be returning a different type). This will result in an compilation error that the you will have to correct manually.