單項選擇題

Which interface must a class implement so that instances of the class are notified after any object is added to a session？（）

A. javax.servlet.http.HttpSessionListener
B. javax.servlet.http.HttpSessionValueListener
C. javax.servlet.http.HttpSessionBindingListener
D. javax.servlet.http.HttpSessionAttributeListener

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單項選擇題

The tl：task tag supplies information about a single task while the tl：taskList tag does the final output. The tag handler for tl：taskList is TaskListTag. The tag handler for tl：task is TaskTag. Both tag handlers extend BodyTagSupport.
Which allows the tl：taskList tag to get the task names from its nested tl：task children？（）

A.A
B.B
C.C
D.D
E.E

多項選擇題

Which three are valid values for the body-content attribute of a tag directive in a tag file？（）

A. EL
B. JSP
C. empty
D. dynamic
E. scriptless
F. tagdependent

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Which interface must a class implement so that instances of the class are notified after any object is added to a session？ （）

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Which three are valid values for the body-content attribute of a tag directive in a tag file？ （）

Which interface must a class implement so that instances of the class are notified after any object is added to a session？（）

Which three are valid values for the body-content attribute of a tag directive in a tag file？（）