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How do you start and end a multi line comment?

Author

Sarah Oconnell

Published Mar 10, 2026

How do you start and end a multi line comment?

/* Multi-line comments */

The comment begins with /* and ends with */. This type of comment can wrap over multiple lines.

Moreover, what symbols are used to start and end a multi line comment?

Multi-line comments start with /* and ends with */ . Any text between /* and */ will be ignored by Java.

Additionally, how do you comment out multiple lines in JavaScript? Multi-line comments start with /* and end with */ . Any text between /* and */ will be ignored by JavaScript.

Likewise, how do you comment out multiple lines in VS code?

To do so, just click on the settings icon in the bottom left of the screen and click 'Keyboard Shortcuts' and find "toggle block". Then click and enter your desired combination. The keyboard shortcut to comment multiple in Windows is shift + alt + A .

How do you comment multiple lines in Shell?

Follow the steps given below for commenting multiple using the terminal.

  1. First, press ESC.
  2. Go to the line from which you want to start commenting.
  3. use the down arrow to select multiple lines that you want to comment.
  4. Now, press SHIFT + I to enable insert mode.
  5. Press # and it will add a comment to the first line.

What is the correct syntax for a multi line comment?

/* Multi-line comments */

Allows you to add explanatory text to code. The comment begins with /* and ends with */. This type of comment can wrap over multiple lines.

Which of the following is a multi line comment?

/* */ (multiline comment)

Multiline comments are used for large text descriptions of code or to comment out chunks of code while debugging applications. Comments are ignored by the compiler.

What is the difference between single line comment and multi line comment?

In single line comment only we can comment only 1 line words not much large words . Eg :- Hi , How are You ? etc . Multi line comment means we can comment many words at a time and can be commented differently too with different front style .

What symbol can you use to comment out one line of code?

Single-line comments are created simply by beginning a line with the hash (#) character, and they are automatically terminated by the end of line. Comments that span multiple lines – used to explain things in more detail – are created by adding a delimiter (“””) on each end of the comment.

What symbol is used at the beginning of an in line comment?

A comment starts with a slash asterisk /* and ends with a asterisk slash */ and can be anywhere in your program. Comments can span several lines within your C program. Comments are typically added directly above the related C source code.

How are comments written in a program?

In computer programming, a comment is a programmer-readable explanation or annotation in the source code of a computer program. They are added with the purpose of making the source code easier for humans to understand, and are generally ignored by compilers and interpreters.

Which symbol is used for single line comment in Python?

In Python script, the symbol # indicates start of comment line. It is effective till the end of line in the editor. If # is the first character of line, then entire line is a comment. It can be used in the middle of a line.

How do you comment multiple lines in C sharp?

One way to do it would be:
  1. Select the text, Press CTRL + K , C to comment ( CTRL + E + C )
  2. Move the cursor to the first line after the delimiter // and before the Code text.
  3. Press Alt + Shift and use arrow keys to make selection.
  4. Once the selection is done, press space bar to enter a single space.

What is the shortcut to comment multiple lines in Python?

6 Answers
  1. Single line comment. Ctrl + 1.
  2. Multi-line comment select the lines to be commented. Ctrl + 4.
  3. Unblock Multi-line comment. Ctrl + 5.

How do you write multiple lines in Visual Studio?

Simply position your cursor at a point in your code, then press and hold SHIFT and ALT. Next, press the up or down arrow to select the lines you want to edit. When you begin typing you will behold a gift from the gods – editing multiple lines at once!

How do you add a comment in Visual Basic?

In visual studio, we can use the following keyboard shortcuts to comment/uncomment the selected lines of code based on our requirements. To comment keyboard shortcut is Ctrl + K, C and to uncomment keyboard shortcut is Ctrl + K, U .

What is the shortcut key for comment in Visual Studio?

The Basics

The most basic shortcut for creating a comment is Ctrl+K, Ctrl+C.

What does comment out mean in coding?

(programming, transitive) To disable a section of source code by converting it into a comment. If you do not want to run this line of code, just comment it out!

How do you comment multiple lines in Python Visual Studio?

All you need to do is select the block of code and type ctrl+1. You should be all set! To make the comment of a block, it is a sequence of keys: Ctrl-K + Ctrl+C and to un-comment Ctrl-K + Ctrl-U .

How do you comment multiple lines in HTML?

So far we have seen single line comments, but HTML supports multi-line comments as well. You can comment multiple lines by the special beginning tag <! -- and ending tag --> placed before the first line and end of the last line as shown in the given example below.

How do you comment code?

How to comment Code: Primarily, a single "block" comment should be placed at the top of the function (or file) and describe the purpose the code and any algorithms used to accomplish the goal. In-line comments should be used sparingly, only where the code is not "self-documenting".

How do you comment multiple lines in typescript?

To add a comment
  1. press Ctrl+Alt+C twice.
  2. or select 'Comment code' from your context menu.
  3. or insert /** above the line of code.

How do you comment on JSX?

If you want to comment in render block where we use JSX you need to use the 2nd method. 2) If you want to comment something in JSX you need to use JavaScript comments inside of Curly braces like {/comment here/}. It is a regular /* Block Comments */, but need to be wrapped in curly braces. Ctrl + / on Windows + Linux.

How do I comment multiple lines in bash?

Unlike most of the programming languages, Bash doesn't support multiline comments. The simplest way to write multiline comments in Bash is to add single comments one after another: # This is the first line. # This is the second line.

How do I comment multiple lines in Jenkinsfile?

For single line comment you can use Ctrl + / and for multiple line comment you can use Ctrl + Shift + / after selecting the lines you want to comment in java editor.

How do you comment multiple lines in Python 3?

Multi-line Comments in Python – Key Takeaways
  1. Unlike other programming languages Python doesn't support multi-line comment blocks out of the box.
  2. The recommended way to comment out multiple lines of code in Python is to use consecutive # single-line comments.

How do I comment a line in a .sh file?

The second line begins with a special symbol: # . This marks the line as a comment, and it is ignored completely by the shell. The only exception is when the very first line of the file starts with #! as ours does. This is a special directive which Unix treats specially.

How do I comment multiple lines in vim?

To comment out blocks in vim:
  1. press Esc (to leave editing or other mode)
  2. hit ctrl + v (visual block mode)
  3. use the ↑ / ↓ arrow keys to select lines you want (it won't highlight everything - it's OK!)
  4. Shift + i (capital I)
  5. insert the text you want, e.g. %
  6. press Esc Esc.

How do you comment out a line in a batch file?

  1. REM must be followed by a space or tab character, then the comment.
  2. If ECHO is ON, the comment is displayed.
  3. You can also place a comment in a batch file by starting the comment line with two colons [::].
  4. You can use REM to create a zero-byte file if you use a redirection symbol immediately after the REM command.

How do I comment multiple lines in Intellij?

Commenting and uncommenting blocks of code?
  1. On the main menu, choose Code | Comment with Block Comment.
  2. Press Ctrl+Shift+/ .

How do you comment all lines in Python?

In Python script, the symbol # indicates start of comment line. A triple quoted multi-line string is also treated as comment if it is not a docstring of a function or class.

How do you comment a whole block in shell script?

In Vim:
  1. go to first line of block you want to comment.
  2. shift-V (enter visual mode), up down highlight lines in block.
  3. execute the following on selection :s/^/#/
  4. the command will look like this: :'<,'>s/^/#
  5. hit enter.

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