Nullify objects in JSP

Should I nullify Object references in JSP's.
All my JSP pages uses a lots of String variables, should I nullify each one of them in the end of the page or are the objects automatically destroyed after the JSP page is executed.

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runa_paathakConnect With a Mentor Commented:
The Java code that you write in your JSP goes into the the service() method of the generated servlet. If you declare variables within <%%> block, they become local variables of service() method. So when the service() method completes (i.e., "jsp page is executed"), all local variables (i.e., local to service() ) will be destroyed.

If you declare variables in <%! %> block, they become instance variables of the generated servlet, so they will not be destroyed when the service() method completes execution.
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