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how to write a bean class?

nagalatha mitta
Greenhorn

Joined: Jun 11, 2007
Posts: 26
hi friends
HFSJ book says that if "type" is used without "class" ,the bean must already exist.My doubt is how to write a bean class code,so that bean is already stored as an attribute at the scope and with the "id" we have put in <jsp:useBean> tag.
anybody let me know please

thanks in advance
Vassili Vladimir
Ranch Hand

Joined: Mar 08, 2007
Posts: 1585
Hi,

Write a standard JavaBean, put it in /WEB-INF/classes, and then in your JSP page, when using the <jsp:useBean> tag provide the full path of the class or import it using a page directive.

As an example, if the JavaBean was written in a package named beans, you have to say :



Or,



Make sure that your bean must have a public no-arg constructor.

Best of luck ...


Vassili ...
SCJP 5.0, SCWCD 1.4, SCJA 1.0
Michael Ku
Ranch Hand

Joined: Apr 20, 2002
Posts: 510
In your Servlet create the bean and place it into whatever scope you choose with the id you want to use
 
 
subject: how to write a bean class?