How many types of directives are there in JSP?

three directives
There are three directives: include, page, and taglib. The taglib directive is covered in the preceding section. The page-directive-attr-list is the same list of attributes that the <@ page …> directive has. These are described in Chapter 5, JavaServer Pages Technology.

What is a directive in JSP?

JSP directives are the messages to JSP container. They provide global information about an entire JSP page. JSP directives are used to give special instruction to a container for translation of JSP to servlet code.

What are the attributes of page directive?

Attributes of JSP page directive

  • import.
  • contentType.
  • extends.
  • info.
  • buffer.
  • language.
  • isELIgnored.
  • isThreadSafe.

What is the purpose of the include directive?

The #include preprocessor directive is used to paste code of given file into current file. It is used include system-defined and user-defined header files. If included file is not found, compiler renders error.

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 directives of a JSP page?

JSP directives. The jsp directives are messages that tells the web container how to translate a JSP page into the corresponding servlet.

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.

What are the attributes of a page directive?

Following are its list of attributes associated with page directive: language: It defines the programming language (underlying language) being used in the page. Explanation of code: In the above example, attribute language value is Java which is the underlying language in this case.

How to use directive codes with location directives?

On the Directive code page, you can create new codes that can be used to connect work templates or replenishment templates to location directives. Directive codes can also be used to establish a link between any work template line and a location directive (such as the bay door or stage location).