Troubleshootingk

Error 6090 - Cannot access protected property or method

The problem here is that you did not change the access for author (or isbn, or title) from protected to public. A protected property in the Book class can only be accessed by a method of the Book class.

JadeScripts cannot access protected properties.

Instructions

1. Select the Book class.
2. Double click the author property (or whichever property is highlighted in the code window).
   The Define Attribute dialog is displayed.
3. Select the public access option button.
4. Click the OK button.
5. Select the JadeScript class.
6. Select the createBorrowers method.
7. Select the Methods | Compile Method command.
   The status line in the Class Browser displays
   «Compilation complete - no errors»
8. Select the Jade | Execute it menu command.
   The status line will then display the message
   «Execution complete»