Hey!
Abstract class forces you to use a set of APIs in a specific way. You can not
instantiate an abstract class. You are forced to either instantiate a
previously designed subclass or create your own subclass to instantiate. I
have to admit I do not use this technique much. It takes time for upfront
design effort, which most often I do not have. :>)
Danny Rubis
"R. Mathur" wrote:
> why is HttpServlet(jsdk 2.0) Abstract when it doesn't hold any abstract
> methods??
>
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