How do I comment in a JSP file?

There are multiple way to comment in a JSP file.

  1. < %– comment –%> A JSP comment. Ignored by the JSP engine.
  2. An HTML comment. Ignored by the browser.
  3. < % my code //my comment %> Java Single line comment. Ignored by the Compiler.
  4. < % my code /** my comment **/ %>

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.

What are the different types of comments in JSP mention each one with their syntax?

There are three types of comments in Java.

  • Single Line Comment.
  • Multi Line Comment.
  • Documentation Comment.

How do you add comments to an HTML file?

To write HTML comments put — and —> at either end of the comment. HTML comments are notes to keep HTML code organized and are ignored by the browser.

What is the hidden comment in JSP?

A hidden comment is not sent to the client, either in the displayed JSP page or the HTML page source. The hidden comment is useful when you want to hide or “comment out” part of your JSP page. You can use any characters in the body of the comment except the closing –%> combination.

What is the difference between hide comment and output comment?

A comment that is sent to the client in the viewable page source(it is appear in the output). Hidden Comment: A comments that documents the JSP page but is not sent to the client(it is not appear in output ).

What are the two types of comments?

Using Two Types of Comments

  • Marginal comments.
  • End comments.

What are the different kinds of comments?

In Java there are three types of comments:

  • Single – line comments.
  • Multi – line comments.
  • Documentation comments.

Which tag is used to add comment in an HTML document?

The comment tag ( – Comment –>) is used to insert comments in the HTML code. It is a good practice of coding so that coder and the reader can get help to understand the code.

Why are comments included in HTML document?

The HTML comment tag is used to add text to an HTML document without including that text in the Web page. Comments are used in the following ways: Documenting your code. Comments are useful in documenting your Web page or ION Script application, and can help clarify your ION Script code for you and other developers.

Can a JSP comment and HTML comment be used interchangeably?

No… they are only Java comments. Since, we are allowed to embed Java code into a JSP page, hence we can have them in a valid JSP page. These comments are treated the same way they are treated in a normal Java program.

How to write a comment in a JSP page?

JSP comment marks to 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. There are a small number of special constructs you can use in various cases to insert comments or characters that would otherwise be treated specially.

What happens when you include a file in JSP?

If we use the include in the <%@include file=” %> header page whatever the changes we make to include in the files it is not be reflected in the application but if we use the include in the inside the page that is the action time its will reflected the changes in the included files.

When to include a servlet in a JSP?

But when we include the servlet in the action tag format the include action tag accepts not only the static page contents it also supports dynamic web page contents.

What does the include tag mean in JSP?

The include is one of the JSP directives for including the data contents related to any kind of resources with different extensions like JSP, HTML, or any text files. The include tag includes the page resources into the translation phase at the required time.