单项选择题
A. Transfer Object
B. Service Locator
C. Front Controller
D. Intercepting Filter
E. Business Delegate
F. Model-View-Controller
单项选择题 Which is the correct web application deployment descriptor element for defining a servlet initialization parameter？（）
单项选择题 ServletAreceivesarequestthatitforwardstoservletBwithinanotherwebapplicationinthesamewebcontainer.ServletAneedstosharedatawithservletBandthatdatamustnotbevisibletootherservletsinA’swebapplication.InwhichobjectcanthedatathatAshareswithBbestored？（）
多项选择题 Forwhichthreeeventscanwebapplicationeventlistenersberegistered？（）