The reset method on an ActionForm
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Sets all properties to their initial value
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Sets all properties to null
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Repopulates all properties from the request parameters
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None of the above
The reset() method in ActionForm does NOT set properties to initial values (A), does NOT set them to null (B), and does NOT repopulate from request parameters (C) - that's what populate() does. The default reset() implementation is typically empty, and subclasses override it to set specific default values, making 'None of the above' correct.
ActionForm.reset() in Apache Struts 1 is defined in the base class as a no-op by default — its Javadoc states the method exists so subclasses CAN reset properties (commonly booleans/checkboxes) before repopulation, but the base implementation itself does nothing. It does not automatically set properties to initial values, to null, or repopulate from the request — those are things a developer must implement by overriding reset() in their own ActionForm subclass. Because none of the three listed behaviors describe what the (unoverridden) reset() method actually does out of the box, 'None of the above' is the correct answer for the base/default ActionForm.reset() behavior, which is what certification-style questions on this topic test.