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. |