問題詳情

108 For manageability purposes, you have been told to add a "count" instance variable to acritical JSP Document so that a JMX MBean can track how frequent this JSP is being invoked.Which JSP code snippet must you use to declare this instance variable in the JSP Document?
(A) <jsp:declaration>int count = 0;<jsp:declaration>
(B) <%! int count = 0; %>
(C) <jsp:declaration.instance>int count = 0;<jsp:declaration.instance>
(D) <jsp:scriptlet.declaration>int count = 0;<jsp:scriptlet.declaration>

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