4.  An action defining one or more objects is transformed into one or more variable 

declarations for these objects, together with code that initializes these variables. The 

visibility of these variables is affected by other constructs, like the scriptlets.

The semantics of the action type determines the name of the variables (usually that of the 

id

 attribute, if present) and their type. The only standard action in the JSP 1.1 

specification that defines objects is the jsp:usebean action; the name of the variable 

introduced is that of the 

id

 attribute, its type is that of the 

class

 attribute.

Note that the value of the 

scope

 attribute does not affect the visibility of the variables 

within the generated program, it only affects where (and thus for how long) there will  be 

additional references to the object denoted by the variable.

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JavaServer Pages 1.1 Specification  

November 30, 1999