<jsp:include page ="foo.jsp"
here this attribute is identify the document whose output is to be inserted into current page.
"flush" attribute actions is controls buffers output whether buffer is fulshed to current page.
(on jsp 1.1 specification, it is required tht flush attribute is set to true)
<jsp

ram name=“user” value=“Bob” />
its just add parameter into request object passes on to including page
</jsp:include >
tag endes..