What is Taglib directive in JSP?
JSP – The taglib Directive The taglib directive declares that your JSP page uses a set of custom tags, identifies the location of the library, and provides means for identifying the custom tags in your JSP page. When you use a custom tag, it is typically of the form .
Which of the following are attributes for Taglib directive <%@ taglib %>?
Attributes of JSP taglib directive:
- uri: This attribute specify the location of the tag library.
- prefix: This attribute is to inform the web container that this markup is used for custom actions.
- CustomTag.java.
- firsttag.tld.
- test.jsp.
- web.xml.
What does <% mean in JSP?
<%@ is the directive attribute. You may include a page or may declare a tag-library using <%@ More on it here.
What Taglib directive you will use for JSTL in JSP?
The JSP taglib directive is used to define a tag library that defines many tags. We use the TLD (Tag Library Descriptor) file to define the tags. In the custom tag section we will use this tag so it will be better to learn it in custom tag.
What is JSP life cycle?
A JSP life cycle is defined as the process from its creation till the destruction. This is similar to a servlet life cycle with an additional step which is required to compile a JSP into servlet.
What are the different types of JSP directive?
Directive Tag gives special instruction to Web Container at the time of page translation. Directive tags are of three types: page, include and taglib. defines page dependent properties such as language, session, errorPage etc.
What are the attributes of page directive?
JSP – The page Directive
- Attributes. Following table lists out the attributes associated with the page directive −
- The buffer Attribute.
- The autoFlush Attribute.
- The contentType Attribute.
- The errorPage Attribute.
- The isErrorPage Attribute.
- The extends Attribute.
- The import Attribute.
Which is not a JSP directive?
Explanation: command directive is not a directive in JSP.
Is JSP front end or backend?
JSP is built on top of the Java Servlet specification. While it is not uncommon to see JSP used as the frontend for older JSF applications, Facelets is the preferred view technology for modern JSF implementations. While JSP may not be your first choice for building dynamic web pages, it is a core Java web technology.
What is JSP example?
JSP (JavaServer Pages) is server side technology to create dynamic java web application. JSP can be thought as an extension to servlet technology because it provides features to easily create user views. JSP Page consists of HTML code and provide option to include java code for dynamic content.
Which one is not a JSP directive?
How many page directive we can use in a single JSP?
three directives
JSP provides three directives for us to use; JSP page directive.
How is the TagLib directive used in JSP?
JSP taglib directive is used to define the tag library with “taglib” as the prefix, which we can use in JSP. It uses a set of custom tags, identifies the location of the library and provides means of identifying custom tags in JSP page. Here “uri” attribute is a unique identifier in tag library descriptor and “prefix” attribute is a tag name.
How is the header file directive used in JSP?
So you will get the output as “Header file: 2” from _jsp3.jsp and “This is main file” from _jsp2.jsp. JSP taglib directive is used to define the tag library with “taglib” as the prefix, which we can use in JSP. It uses a set of custom tags, identifies the location of the library and provides means of identifying custom tags in JSP page.
How to use a custom tag in JSP?
If you wanted to use the hello tag with a prefix of mytag, your tag would be and it will be used in your JSP file as follows − We can call another piece of code using . We will see how to develop our custom tags and how to use them in JSP – Custom Tags tutorial.
What are attributes and purpose in JSP directives?
Attributes S.No. Attribute & Purpose 6 extends Specifies a superclass that the 7 import Specifies a list of packages or c 8 info Defines a string that can be access 9 isThreadSafe Defines the threading model
