Wiley Jakarta Pitfalls: Extend Struts ActionForms for array validation

[Rich W]

I am new to Java but I've managed to successfully implement the Formatter & Validation code presented in Chapter 2 of the Jakarta Pitfalls book by Dudney.

The formatting and validation works great with a single form. The author states that the code can also handled nesting and arrays. Unfortunately you
can't just pass two arrays for formatting and validation.

I want to know what to do so I can pass an array into the populate() component of the formatter library. The code I'm using is discussed in the following:

http://72.14.203.104/search?q=cache _rTrxRH4koJ:java.sun.com/developer/Books/javaprogramming/Dudney/Pitfall_Ch02.pdf+struts+validation+of+BigDecimal&hl=en

[Rich W]

What I really need to know is how to define an ActionForm that is an array of another ActionForm.

AutoInfoForm extends MasterForm {
String key;
String year;
String make;
String mode;
}
etc....

AutoListForm extends MasterForm {
AutoInfoForm[] autolist;
}