How to comment in c++

How do you comment multiple lines in C++?

C++ Multi-line Comments

Multi-line comments start with /* and ends with */ .

Which symbol is used for comments in C++?

Single Line Comments in C++

Single Line comment starts with “//” symbol. Remaining line after “//” symbol is ignored by browser. End of Line is considered as End of the comment.

How do you comment on a line?

To comment a line:

  1. Place the cursor anywhere on the required line of code.
  2. Press Ctrl + / Two slashes “//” will be added to the front of the line, causing it to be recognized as a comment.

Which of the following is the correct way of writing comments in C++?

Explanation: Both the ways are used for commenting in C++ programming. // is used for single line comments and /* … */ is used for multiple line comments.

How do you comment multiple lines?

Commenting Multiple Lines

Go to the line from which you want to start commenting. Then, press ctrl + v , this will enable the visual block mode. use the down arrow to select multiple lines that you want to comment. Now, press SHIFT + I to enable insert mode.

What are the two types of comments in C++?

Types of Comments

C++ comments come in two flavors: single-line comments and multiline comments. Single-line comments are accomplished using a double slash (//). The double slash tells the compiler to ignore everything that follows, until the end of the line.

Can comments be nested in C++?

Because C’s comments start and end with specific characters, you cannot put one comment inside another. This is known as nesting. Nested comments can cause errors in your code, so while you’re programming, keep track of where comments start and end.

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What are identifiers C++?

The C++ identifier is a name used to identify a variable, function, class, module, or any other user-defined item. An identifier starts with a letter A to Z or a to z or an underscore (_) followed by zero or more letters, underscores, and digits (0 to 9).

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.

How do you write a good comment in 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”.

What are comments?

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.

How do you comment in a script?

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.

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Which is correct syntax?

Along with diction, syntax is a fundamental part of written language. … Syntax states the rules for using words, phrases, clauses and punctuation, specifically to form sentences. Correct syntax examples include word choice, matching number and tense, and placing words and phrases in the right order.

How do you comment out code in C?

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.

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