How do you insert a multi line comment?
To comment more than one line:
- Select all the lines that you would like to be commented.
- Press Ctrl + / Two slashes “//” will be added to the front of each line, causing them to be recognized as a comment.
How do you write a comment line in Java?
The Java programming language has three kinds of comments: Traditional comments: The first five lines of the listing form one traditional comment. The comment begins with /* and ends with */. Everything between the opening /* and the closing */ is for human eyes only.
How do you make comments in Java?
Style. By convention, in Java, documentation comments are set inside the comment delimiters /** … */ with one comment per class, interface, or member. The comment should appear right before the declaration of the class, interface or member and each line of the comment should begin with a “*”.
How do you write a multi line comment in shell script?
In Shell or Bash shell, we can comment on multiple lines using << and name of comment. we start a comment block with << and name anything to the block and wherever we want to stop the comment, we will simply type the name of the comment.
How do you comment multiple lines in R studio?
Mind that these two are possible in Rstudio, and at least not in native R.
- You can write your multiline comments without # . Then select all these lines and use Ctrl + Shift + C to comment all these lines simultaneously.
- In editor, you can start the first line of your multiline comment by #’ .
How many single line commenting types are there?
There are three ways to write comments in Java. Single line comments begin with two forward slashes. Multi-line comments begin with a forward slash and an asterisk and the last line ends with an asterisk and a forward slash.
What are the different kinds of comments?
In Java there are three types of comments:
- Single – line comments.
- Multi – line comments.
- Documentation comments.
What is a documentation comment in Java?
A doc comment is an ordinary multiline comment that begins with /** (instead of the usual /*) and ends with */. A doc comment appears immediately before a class, interface, method, or field definition and contains documentation for that class, interface, method, or field.
What are Javadoc comments?
In general, Javadoc comments are any multi-line comments (” /** … */ “) that are placed before class, field, or method declarations. They must begin with a slash and two stars, and they can include special tags to describe characteristics like method parameters or return values.
What is the purpose of adding comments in the code?
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.
What is single-line comment?
Single-line comments allow narrative on only one line at a time. Single-line comments can begin in any column of a given line and end at a new line or carriage return. The // character sequence marks the text following it as a single-line comment. Here’s an example.
How do you comment out a line in Unix?
A single-line comment starts with hashtag symbol with no white spaces (#) and lasts till the end of the line. If the comment exceeds one line then put a hashtag on the next line and continue the comment. The shell script is commented out prefixing # character for single-line comment.
How do you comment multiple lines in Unix?
Commenting Multiple Lines
- First, press ESC.
- Go to the line from which you want to start commenting. …
- use the down arrow to select multiple lines that you want to comment.
- Now, press SHIFT + I to enable insert mode.
- Press # and it will add a comment to the first line.
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.