validate() and reset() methods

validate() :

• ActionForm class provides a validate() method hook that can be overridden by subclasses to perform validations on incoming form data.
• The validate() method hook gets called after a Form Bean has been populated with incoming form data.

• validate() method has return type ActionErrors

reset():

• ActionForm class has a reset() method that subclasses can override.
  
• The method is a hook that gets called before FormBean is populated with request data from an HTML form.
  
• Using this reset() method, all the form fields will be reset.i.e..Unchecking the check boxes, making the text fileds empty..etc
  
• public void reset() {}

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