How do you comment out in JSP?

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To add comments in a JSP page one should perform the following steps:
  1. Create a jsp page that begins with the <%code fragment%> scriptlet.
  2. Keep any html tags in the page outside the scriptlet.
  3. Add JSP comment using the <%-- --%> tags.
  4. Add HTML comments using the <!

Furthermore, which syntax is used to comment JSP?

A Test of Comments

S.No. Syntax & Purpose
1 <%-- comment --%> A JSP comment. Ignored by the JSP engine.
2 <!-- comment --> An HTML comment. Ignored by the browser.
3 <\% Represents static <% literal.
4 %> Represents static %> literal.

Furthermore, can <! Comment and <% comment %> be used alternatively in JSP? Example. // or /* comment */ used inside the <% %> scriplet tag is also not a JSP comment. This is just a java comment and JSP container doesn't reserve any special treatment for this comments usage. Therefore, there is nothing called as hidden comment or output comment in JSP by specification.

In this manner, what are JSP comments?

JSP comment marks text or statements that the JSP container should ignore. A JSP comment is useful when you want to hide or "comment out", a part of your JSP page.

What types of comments are available in the JSP?

Answer: There are two types of comments are allowed in the JSP. These are hidden and output comments. A hidden comments does not appear in the generated output in the html, while output comments appear in the generated output.

22 Related Question Answers Found

What are JSP actions?

JSP actions are special XML tags which control the behavior of servlet engine. JSP actions allow you to insert a file dynamically, reuse external JavaBean components, forward the request to the other page and generate HTML for Java Applet Plugin.

What is JSP expression?

A JSP expression is used to insert the value of a scripting language expression, converted into a string, into the data stream returned to the client. Note that a semicolon is not allowed within a JSP expression, even if the same expression has a semicolon when you use it within a scriptlet.

What is Scriptlet in JSP?

In JavaServer Pages (JSP) technology, a scriptlet is a piece of Java-code embedded in the HTML-like JSP code. The scriptlet is everything inside the <% %> tags. Between these the user can add any valid Scriptlet i.e. any valid Java Code. In AppleScript, a scriptlet is a small script.

What does <% mean in JSP?

JSP. Stands for "Java Server Page." This standard was developed by Sun Microsystems as an alternative to Microsoft's active server page (ASP) technology. JSP pages are similar to ASP pages in that they are compiled on the server, rather than in a user's Web browser.

What are the JSP implicit objects?

JSP Implicit Objects. There are 9 jsp implicit objects. These objects are created by the web container that are available to all the jsp pages. The available implicit objects are out, request, config, session, application etc.

What is out Println in JSP?

out. print(“Out Implicit Object in jSP - BeginnersBook”); void println(): This method is similar to the print() method, the only difference between print and println is that the println() method adds a new line character at the end.

When destroy method of JSP is called?

destroy() method is called by the servlet container to indicate to a servlet that the servlet is being taken out of service. This method is only called once all threads within the servlet's service method have exited or after a timeout period has passed.

Which protocol Servlets and JSP communicate with clients?

First, JSP replies on HTTP protocol to provide client-server communication over the network. Second, JSP is built on top of Java servlet technology to simplify the development tasks for web developers.

How do you comment out in HTML?

An HTML comment begins with <! –– and the comment closes with ––> . HTML comments are visible to anyone that views the page source code, but are not rendered when the HTML document is rendered by a browser.

What are JSP elements?

There are three types of JSP elements you can use: directive, action, and scripting. A new construct added in JSP 2.0 is an Expression Language (EL) expression; let's call this a forth element type, even though it's a bit different than the other three.

How do you comment in JavaScript?

To create a single line comment in JavaScript, you place two slashes "//" in front of the code or text you wish to have the JavaScript interpreter ignore. When you place these two slashes, all text to the right of them will be ignored, until the next line.

How do you comment in CSS?

CSS uses the same "block comment" syntax as the C-like languages - you start a comment with /* , and end it with */ . However, CSS is missing the "line comment" syntax that those languages have, where everything from // to the end of the line is commented out.

What are directives 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 is Servlet and its use?

A servlet is a Java programming language class that is used to extend the capabilities of servers that host applications accessed by means of a request-response programming model. Although servlets can respond to any type of request, they are commonly used to extend the applications hosted by web servers.

Which is an example of the syntax used to import a class to JSP?

Which is an example of the syntax used to import a class to JSP?

JSP Scripting Language.
A. <% Expression %> B. <%= Expression %>
C. <& Expression &> D. <%! Expression %>

How do I comment multiple lines in XML in Eclipse?

Ctrl + SHIFT + L which will open a list of all major shortcuts for eclipse.
  1. ForSingle line comment Ctrl + / (Forwards Slash) and.
  2. Single line uncomment Ctrl + (Backslash)
  3. For Multiline comment Ctrl + Shift + / (Forwards Slash) and.
  4. Multiline uncomment Ctrl + Shift + (Backslash)

What are JSP code snippets?

JSP code snippets. A JSP code snippet is a code sample that shows you how to add WebSphere Commerce functionality to your store. jsp file displays the customization information according to the display customization terms and conditions for the a user's current session logon ID, store ID, and the selected language ID.