Programming Tutorials

What are implicit Objects available to the JSP Page?

By: Karthik in Interview Tutorials on 2012-06-16  

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.






Add Comment

* Required information
1000

Comments

No comments yet. Be the first!

Most Viewed Articles (in Interview )

What is the difference between Session Bean and Entity Bean?

Tell me something about J2EE component?

Interview Question: What is the difference between sessioncontext and entitycontext?

Question: What is a Hidden Comment in JSP?

The output of System.out.println(5>>2) in Java

What are the services provided by a J2EE container?

Question: What is an Expression tag in JSP?

Interview Question: How is the MVC design pattern used in Struts framework?

What types of comments are available in the JSP?

How to define an Abstract class?

Interview Question: Why aren't the Struts tags maintained as part of the Jakarta Taglibs project ?

What is Collection API?

What are types of J2EE clients?

Question: What is an output comment in JSP?

Interview Question: What is re-entrant. Is session beans reentrant. Is entity beans reentrant?

Latest Articles (in Interview)