Yourwebsitehasmanyuser-customizablefeatures,forexamplefontandcolorpreferencesonwebpages.YourITdepartmenthasalreadybuiltasubsystemforuserpreferencesusingJavaSE’slang.util.prefspackageAPIsandyouhavebeenorderedtoreusethissubsysteminyourwebapplication.Youneedtocreateaneventlistenerthatstorestheuser’sPreferenceobjectwhenanHTTPsessioniscreated.Also,notethatuseridentificationinformationisstoredinanHTTPcookie.Whichpartiallistenerclasscanaccomplishthisgoal?()
下列词组不属于向心词组的是()
Acustomerneedstheabilitytorecovertheirdataifatotalsystemfailureoccurs.Whichtwoofthefollowingarethemostimportantconsiderationsindeterminingthesolution?()
1毫西门子/厘米等于100微西门子/厘米。()
建设单位应做好()等参建各方在施工进度及工作配合上的协调工作。