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
正确答案:C
答案解析:有
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