Logo

Scripting in JSP

JSP scripting provides an easy and efficient way to insert Java programming language in JSP pages. Here, Java is a default language.

JSP also allows you to use any other scripting language that is capable to call Java objects. In this case, you have to specify that language in the page directive. The following syntax is used to implement it.

<%@ page language = “Scripting-language” %>

Disabling Scripting

It is not mandatory to use scripting in JSP page. So, JSP allows you to disable scripting if it is not required. Although, by default scripting is always enable.

Scriptlet elements

In JSP scripting, scriptlet elements perform the actual task. Hence, Java statements are enclosed within these elements.

JSP scripting elements are capable to create and manipulate Java objects, declaring variables and methods, catching Java Exceptions etc. It enables the JSP page to connect with database and fetch queries.

JSP provides three types of scripting elements to embed Java code in JSP page. Each scripting element has its own purpose. The following scripting elements are:

Related Topics

JSP Custom Tag

JSP custom tag provides flexibility to programmers, to declare their own tag. Thus, a user-defined tag can be created through custom tags to perform various operations. These custom tags behave as...

2 minutes read.

JSP out

In JSP, out is an implicit object that is associated with the response object. This object is used to write content to the output stream. Methods of JSP out Following are...

1 minute read.

JSP Include Directive

As the name implies, include directive is used to include the content of other files such as HTML, JSP, text into the current JSP page. These files are included during...

1 minute read.

JSP Declaration Tag

JSP declaration tag is used to declare variables and methods in JSP page. Unlike scriptlet tag, JSP container placed the content of declaration tag outside the jspService() method. So, variables...

1 minute read.

JSP Expression Tag

JSP expression tag allows you to place the result of Java expression in a convenient way. It can be seen as an alternative of out.print() method. Thus, if we want to...

1 minute read.

JSP Life Cycle

JSP life cycle The life cycle of JSP page internally implemented as a Servlet. These are the following stages through which a JSP page has to pass: Translation – This is an...

2 minutes read.

JSP Expression Language

JSP introduced the concept of expression language (EL) in JSP 2.0 version. The purpose of expression language is to access and manipulate data easily without using any type of scriptlet. Why...

1 minute read.

JSP page

In JSP, the purpose of page object is to create the servlet instance. The role of page object is similar to this keyword in Java. The page object represents the entire...

1 minute read.

JSP Comments

JSP provides separate tag for comment section. The content inside these tag is completely ignored by JSP engine.    The syntax of comment tag is mentioned below. <%-- This is a comment...

1 minute read.

JSP EL Implicit Objects

Apart from operators, JSP also provide expression language implicit objects. The role of these implicit objects is to get the attribute associated with various object. Here, is the list of...

1 minute read.

JSP Tutorial

Java Server Pages (JSP) is a server-side technology used to create static and dynamic web applications. The static content is expressed by text-based format files such as HTML, XML, SVG...

2 minutes read.

JSP session

In JSP, session object is used to establish a connection between a client and a server. It maintains the state between them so that server recognize the user easily. The session...

1 minute read.

JSP application

JSP application object is an instance of servlet's ServletContext interface. It is used initialize parameter of one or more JSP pages in an application. Thus, the scope of application object...

1 minute read.

JSP pageContext

The object pageContext is used to access all the information of JSP page. It is an instance of javax.servlet.jsp.PageContext. The scope of pageContext can be defined explicitly. The object is valid...

2 minutes read.

JSP config

JSP config object is used to send the configuration information to JSP page. Here, config is an instance of servlet's ServletConfig interface. In this case, the information is send to...

1 minute read.

JSP Implicit Objects

In JSP, implicit objects are pre-defined objects, created by the web container. These objects are created during the translation phase from JSP to Servlet. JSP allows you to call these...

1 minute read.

JSP forward and include tag

In JSP, forward and include tags are the most frequently used action tags. Unlike Servlets, there is no need to create object of RequestDispatcher interface to use the functionality of...

1 minute read.

JSP Scriptlet Tag

JSP scriptlet tag allows you to insert programming logic inside JSP page. Hence, you can put valid Java code within scriptlet tags. Each Java statement must be followed by a...

1 minute read.

JSTL Formatting Tags

In JSTL, the role of formatting tag is to specify the type of format that represents date and time. The following syntax represent the URL of formatting tag: - <%@ taglib...

1 minute read.

JSP Taglib Directive

Taglib directive is used to define tag libraries in JSP page. It enables user to use custom tags within JSP file. A JSP page can contains more than one taglib...

1 minute read.