| Package | Description | 
|---|---|
| javax.servlet.http | 
 The javax.servlet.http package contains a number of classes and interfaces
that describe and define the contracts between a servlet class
running under the HTTP protocol and the runtime environment provided
for an instance of such a class by a conforming servlet container. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
void | 
HttpSessionAttributeListener.attributeAdded(HttpSessionBindingEvent event)
Receives notification that an attribute has been added to a
 session. 
 | 
void | 
HttpSessionAttributeListener.attributeRemoved(HttpSessionBindingEvent event)
Receives notification that an attribute has been removed from a
 session. 
 | 
void | 
HttpSessionAttributeListener.attributeReplaced(HttpSessionBindingEvent event)
Receives notification that an attribute has been replaced in a
 session. 
 | 
void | 
HttpSessionBindingListener.valueBound(HttpSessionBindingEvent event)
Notifies the object that it is being bound to
 a session and identifies the session. 
 | 
void | 
HttpSessionBindingListener.valueUnbound(HttpSessionBindingEvent event)
Notifies the object that it is being unbound
 from a session and identifies the session. 
 | 
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