What are implicit Objects available to the JSP Page?

What are implicit Objects available to the JSP Page?

By: Karthik Printer Friendly Format

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.

Most Viewed Articles (in Interview )

What types of comments are available in the JSP?

Interview Question: What is Action Class?

Interview Question: Who wrote Struts?

Interview Question: Does Struts include its own unit tests?

Interview Question: Is there a particularly good IDE to use with Struts ?

Interview Question: Why are some of the class and element names counter-intuitive?

Interview Question: Do ActionForms have to be true JavaBeans?

Interview Question: What are the optional clauses in EJB QL?

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

Interview Question: What is local interface. How values will be passed?

Interview Question: What is the difference between Message Driven Beans and Stateless Session beans?

Question: How would you go about analyzing performance of an application?

Why J2EE is suitable for the development distributed multi-tiered enterprise applications?

What is similarities/difference between an Abstract class and Interface?

Explain garbage collection?

Latest Articles (in Interview)

What is J2EE?

What do you understand by a J2EE module?

Tell me something about J2EE component?

What are the contents of web module?

Differentiate between .ear, .jar and .war files.

What is the difference between Session Bean and Entity Bean?

Why J2EE is suitable for the development distributed multi-tiered enterprise applications?

What do you understand by a container?

What are the services provided by a container?

What are types of J2EE clients?

What is Deployment Descriptor?

What do you understand by JTA and JTS?

What is JAXP?

What is J2EE Connector architecture?

What is difference between Java Bean and Enterprise Java Bean?

Comment on this tutorial

categories

Subscribe to Tutorials

Related Tutorials

What do you understand by a J2EE module?

Tell me something about J2EE component?

What are the contents of web module?

Differentiate between .ear, .jar and .war files.

What is the difference between Session Bean and Entity Bean?

Why J2EE is suitable for the development distributed multi-tiered enterprise applications?

What do you understand by a container?

What are the services provided by a container?

What are types of J2EE clients?

What is Deployment Descriptor?

What do you understand by JTA and JTS?

What is J2EE Connector architecture?

What is difference between Java Bean and Enterprise Java Bean?

Archived Comments