JavaBeans and Scope :- Model Components in Struts Frameworks

JavaBeans can be stored a number of different collections of attributes.the rules defining lifetime and visibility are called the scope of those beans.


JavaBeans can be stored a number of different collections of attributes.the rules defining lifetime and visibility are called the scope of those beans.

page - This is used for visible within a single JSP page, for the lifetime of the current request.
request - This is used for visible within a single JSP page, as well as to any page or servlet that is included in this page, or forwarded to by this page. 
session - Thsi are visible to all JSP pages and servlets that participate in a particular user session .This bean handle one or more requests. 
application - This are visible to all JSP pages and servlets that are part of a web application.

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