JSP General - Declaring Methods within JSP Pages

Declaring Methods within JSP Pages

Q

How can I declare methods within my JSP page?

✍: FYICENTER.com

A

You can declare methods for use within your JSP page as declarations. The methods can then be invoked within any other methods you declare, or within JSP scriptlets and expressions.

Do note that you do not have direct access to any of the JSP implicit objects like request, response, session and so forth from within JSP methods. However, you should be able to pass any of the implicit JSP variables as parameters to the methods you declare.

2007-04-03, 4538👍, 0💬

Handling Run-Time Exceptions
How does JSP handle run-time exceptions? You can use the errorPage attribute of the page directive to have uncaught runtime exceptions automatically forwarded to an error processing page. For example: redirects the browser to the JSP page error.jsp if an uncaught exception is encountered during requ... 2007-04-03, 4567👍, 0💬

Declaring Methods within JSP Pages
How can I declare methods within my JSP page? You can declare methods for use within your JSP page as declarations. The methods can then be invoked within any other methods you declare, or within JSP scriptlets and expressions. Do note that you do not have direct access to any of the JSP implicit ob... 2007-04-03, 4539👍, 0💬

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Is it possible to share an HttpSession between a JSP and EJB? What happens when I change a value in the HttpSession from inside an EJB? You can pass the HttpSession as parameter to an EJB method, only if all objects in session are serializable. This has to be consider as "passed-by-value", that mean... 2007-04-03, 4511👍, 0💬

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