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JSP

Java Server Pages (JSP) tutorials and examples.

  1. Is JSP variable declaration thread safe?

    by
    JSP
    , 01-01-2012 at 07:20 PM
    No, in JSP the variable declaration is not at all thread safe as the declared variables are ended up as instance variable in generated servlet not in body of _jspservice() method.

    The given declaration is not considered to be thread safe: as they are declarations and are evaluated only one time when page gets loaded.

    <%!int a=5;%>

    The given declaration is considered thread safe: as in the scriplets the variables that have been declared are not shared ...