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What is a comment line 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 command is used to put a comment line in a program?
The single line comment is //. Everything from the // to the end of the line is a comment. To mark an entire region as a comment, use /* to start the comment and */ to end the comment.
What are comment doing in a program?
Comments are text notes added to the program to provide explanatory information about the source code. They are used in a programming language to document the program and remind programmers of what tricky things they just did with the code and also helps the later generation for understanding and maintenance of code.
What does In line comments mean?
Inline comments are all comments not included in doc blocs. Comments that are written in a readable and narrative style, especially when explaining a complex process, are encouraged. In general they should be placed close to the code explained rather than before the entire block of code.
Which of the following is a correct comment for comment in C programs?
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.
Which of the following is the correct way to write a comment in AC program?
Which symbol is used for single-line comment in Python?
hash symbol #
In Python, we use the hash symbol # to write a single-line comment.
How do you comment out a line in a file?
Or, to “comment out” a line, add a # character to the start of the line. (Note that some languages have different comment formats, so this may not be true if you’re working with a source code file.) For example, let’s say you have a file with the following text: # To enable feature X, uncomment the line below.
What do comments do in a configuration file?
The interpreter ignores lines marked as comments, which are only to aid humans in understanding the file. Because of this, comments can be used to disable or enable configuration options in configuration files. You can “uncomment a line” in a configuration file by removing the # at the start of the line.
How to uncomment a line in a configuration file?
The Short Answer. You can “uncomment a line” in a configuration file by removing the # at the start of the line. Or, to “comment out” a line, add a # character to the start of the line. (Note that some languages have different comment formats, so this may not be true if you’re working with a source code file.) For example,…
What kind of comment is used in PHP script?
While this is the format commonly used in configuration files and shell scripts – most notably on Linux and other UNIX-like operating systems – other languages may use other comment formats. For example, if you’re working with a PHP script, you might see a section like the one below: