You work as a programmer for uCertify.

The following two code are used to retrieve Attribute1: 1.Object obj=session1.getAttribute("Attribute1"); The getAttribute() method is used to retrieve the bound object with the specified name in this session, or null if no object is bound under the name. 2.Object obj=binding1.getSession().getAttribute("Attribute1"); The getSession() gets the current valid session associated with this request. a String object. Answer: B is incorrect. The HttpSessionBindingEvent object cannot use the getAttribute() method.