How many objects in jsp

Implicit objects are created by the web container and contain information related to a particular request, page, session, or application.

Many of the objects are defined by the Java servlet technology underlying JSP technology and are discussed at length in Chapter 4, Java Servlet Technology. The section Implicit Objects explains how you access implicit objects using the JSP expression language. When possible, application behavior should be encapsulated in objects so that page designers can focus on presentation issues.

Objects can be created by developers who are proficient in the Java programming language and in accessing databases and other services. Active Oldest Votes. Your problem has nothing to do with struts if you want to do this dynamically. There are a gazillion of them, so I would suggest you start with jQuery. Improve this answer. Unfortunately I can't post a specific answer since I don't do Struts. Seeing the lack of Struts experts here, one should also not expect a Struts-targeted answer soon enough.

He says that he needs an "add" button that modifies the page on the fly and adds more controls a new "step". Doesn't this require Javascript? Am I missing something? Sign up or log in Sign up using Google. JspWriter request : javax. HttpServletRequest response : javax. HttpServletResponse session : javax. HttpSession application : javax. ServletContext exception : javax. JspException page : java.

Object pageContext : javax. PageContext config : javax. Get hold of all the important Java Foundation and Collections concepts with the Fundamentals of Java and Java Collections Course at a student-friendly price and become industry ready.

These objects may be accessed as built-in variables via scripting elements and can also be accessed programmatically by JavaBeans and Servlets. JSP provide you Total 9 implicit objects which are as follows request : This is the object of HttpServletRequest class associated with the request.

This object can be used to find, get or remove an attribute. The exception implicit object is of type java. In this article, two of the main objects which are request and response are discussed request Object The JSP request is an implicit object which is provided by HttpServletRequest. In the servlet, we have to first import javax.