Every new user-defined action must extend the org.apache.struts.action.Action class directly.

Struts Exam

1)	Every new user-defined action must extend the org.apache.struts.action.Action class directly.

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Which class must your ActionForm extend to support Struts' Validator features like automatic form validation

All Struts forms extends ActionForm or its derived classes.

The validate() method in the ActionForm class has a return type of:

Select components that can be used as model.

What are the problems that the org.apache.struts.action.ActionServlet address