問題詳情

23 Your web site has many user-customizable features, for example font and color preferenceson web pages.Your IT department has already built a subsystem for user preferences using Java SE's lang.util.prefspackage APIs and you have been ordered to reuse this subsystem in your web application. You needto create an event listener that stores the user's Preference object when an HTTP session is created.Also, note that user identification information is stored in an HTTP cookie.Which partial listener class can accomplish this goal? 5e7f179315bf3.jpg 
(A) Option A
(B) Option B
(C) Option C
(D) Option D



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