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What is the use of <bean:parameter/> tag defined by Bean tag library in Struts framework?
The <bean:parameter/> tag is used to retrieve the value of a request paremeter identified by the name attribute. The retrieved value will be used to define a page scoped attribute to type java.lang.String or String[], if the multiple attribute is not null. The <bean:parameter/> tag has no body and supports four attributes:
id, name, multiple, value.

<bean:parameter id="userID"
   value="user found" />