Four is ______of a dozen.
A. one-fifth
B. one quarter
C. one half
D. one-third
查看答案
当域对象中需要替换属性时,可调用的监听器方法是()
A. attributeReplace()
B. attributeRemoved()
C. attributeDeleted()
D. attributeReplaced()
下面选项中,用于监听HttpSession对象中属性变更的接口是()
A. HttpSessionAttributeListener
B. ServletContextAttributeListener
C. ServletRequestAttributeListener
D. ApplicationAttributeListener
ServletContext对象被创建时,将会调用ServletContextListener接口中()
A. contextInitialized()
B. initializedContext ()
C. destroyedContext()
D. contextDestroyed()
一个web.xml中可以配置监听器的个数是零个或___。
微信支付 
支付宝支付