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What is the use of jsp:useBean tag ?.

 
Praveen Kumar
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Could you please tell me what is the main purpose of <jsp:useBean> tag in the JSP page.
 
Christophe Verré
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Here are some I can think of
  • Creating a new scoped attribute
  • Retrieving an existing scoped attribute
  • Setting request parameters values in a bean in one shot (jsp:setProperty with property="*")
  • Accessing bean properties (jsp:getProperty,jsp:setProperty)

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    Praveen Kumar
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    Christophe Verre ,

    Thanks for reply.

    I think we can create/get/alter scope attributes of type java beans.
    We can get/set the properties of java beans at run time.
    where as page import directive gets the imported classes at
    translation time.
     
    Seetharaman Venkatasamy
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    also to discourage the scripting
     
    Christophe Verré
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    also to discourage the scripting

    Yes, that's a good point. Forget about scripting in your JSP.
     
    Praveen Kumar
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    Yes. This standard actions to get rid of the scripting the JSP pages.

    Thanks for replies.

    Please send if you any other reasons !!
     
    Consider Paul's rocket mass heater.
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