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Explanation

JSP directives provide instructions to the JSP container about how the page should be processed.

Code:

<%@ page contentType="text/html" %>

Explanation

The include directive includes another JSP or static resource during JSP translation.

Code:

<%@ include file="header.jsp" %>

<h1>Home Page</h1>

<%@ include file="footer.jsp" %>

Explanation

The taglib directive declares a tag library such as JSTL for use inside a JSP page.

Code:

<%@ taglib prefix="c"
    uri="jakarta.tags.core" %>

Explanation

JSP provides implicit objects such as request, response, session, application, out, and exception.

Code:

request
response
session
application
out
pageContext
config
page
exception

Explanation

Implicit objects allow JSP pages to access request data, session data, application data, and response output.

Code:

Welcome ${sessionScope.username}

Request URI:
<%= request.getRequestURI() %>