What are implicit Objects available to the JSP Page?

By: Karthik Emailed: 1785 times Printed: 2623 times    

Answer: Implicit objects are the objects available to the JSP page. These objects are created by Web container and contain information related to a particular request, page, or application. The JSP implicit objects are:

Variable

Class

Description

application

javax.servlet.ServletContext

The context for the JSP page's servlet and any Web components contained in the same application.

config

javax.servlet.ServletConfig

Initialization information for the JSP page's servlet.

exception

java.lang.Throwable

Accessible only from an error page.

out

javax.servlet.jsp.JspWriter

The output stream.

page

java.lang.Object

The instance of the JSP page's servlet processing the current request. Not typically used by JSP page authors.

pageContext

javax.servlet.jsp.PageContext

The context for the JSP page. Provides a single API to manage the various scoped attributes.

request

Subtype of javax.servlet.ServletRequest

The request triggering the execution of the JSP page.

response

Subtype of javax.servlet.ServletResponse

The response to be returned to the client. Not typically used by JSP page authors.

session

javax.servlet.http.HttpSession

The session object for the client.

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