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Prepare,ModelDriven interface

 
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There is one html form[not shown] asking for person details and is targetted to this myAction class.
The prepare method gets automatically called by framework which will create bare person object after that getModel method will be called by the framwork which will return the object created by prepare method and will put it on value stack.
Now the question is, does the framework automatically uses that person object put by getModel method to set the values from the html form or do we have to write some code to do so
and in this case theres no execute method in myAction class, is it fine?
 
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Couldn't you just try it?
 
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