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Difference between MVC and MVC2

 
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I need to know the difference between MVC architecture and MVC2 architecture. are they bith the same? or MVC2 is advanced? in which way it is advanced?
 
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MVC
Model -> Java Beans accessed from JSP
View -> JSP
Controller -> Servlets


MVC2 (Struts enforces MVC2)
Model -> EJB/POJO (accessed via action class)
View -> JSP
Controller -> Servlet (Front controller)
 
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There is no such thing as MVC2

There is Model1 (everything written in a JSP)
and Model2.

Model2 uses the Model, View, Controller (MVC architecture).
 
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Model1 vs Model2 explained

The literature on Web-tier technology in the J2EE platform frequently uses the terms "Model 1" and "Model 2" without explanation. This terminology stems from early drafts of the JSP specification, which described two basic usage patterns for JSP pages. While the terms have disappeared from the specification document, they remain in common use. Model 1 and Model 2 simply refer to the absence or presence (respectively) of a controller servlet that dispatches requests from the client tier and selects views.

 
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