
How do you comment multiple lines in Java in Eclipse?
- Select the multiple lines in Java in Eclipse IDE.
- Click on Source menu and then select Add Block Comment option.
See more

How do you comment multiple lines in Java?
Java Multi-line Comments Multi-line comments start with /* and ends with */ . Any text between /* and */ will be ignored by Java.
How do you comment multiple lines at once?
You can also block comment multiple lines of code using the characters /* */ . Tip: The characters /* */ on lines that already are already commented out are not affected when you comment and uncomment code as described above.
What is the shortcut to comment multiple lines in Java?
Press Ctrl + /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.
Is multi line comment used in Java programming?
2) Java Multi Line Comment It can be used to explain a complex code snippet or to comment multiple lines of code at a time (as it will be difficult to use single-line comments there). Multi-line comments are placed between /* and */. Any text between /* and */ is not executed by Java.
How do I comment multiple lines in IntelliJ?
In this case, using a multi-line comment is our only option no matter how short our comment needs to be. Block comments are enclosed in slash-asterisk ( /*) and asterisk-slash ( */ ). To add a block comment in IntelliJ IDEA, press ⌥ ⌘ / macOS or Ctrl + Shift + / on Windows and Linux.
How do you comment multiple lines in a feature file?
To comment multi line or use block comment select all the line and press Ctrl + / in Eclipse. Other IDE may have other shortcuts for doing this. Similarly to remove comment press Ctrl + / again.
What is the shortcut for commenting in Java?
Ctrl + SHIFT + L which will open a list of all major shortcuts for eclipse.For single line java code comment and uncomment : Ctrl + / (Forward Slash)For multiple line java code comment : Ctrl + Shift + / (Forward Slash) and. ... For single line xhtml code comment/uncomment : Ctrl + Shift + c.More items...
How do you add comments in code?
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. * This is a block comment. * This code does nothing.
How do you comment a method in Java?
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 "*".
What is /* in Java?
/** is known as documentation comments. It is used by Javadoc tool while creating the documentation for the program code. /* is used for multi-line comments.
What is a 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 are the three types of comments in Java?
In Java there are three types of comments: Single-line comments. Multi-line comments. Documentation comments.
How do you comment multiple lines at a time in VS code?
Windows: Ctrl + K + U. Mac: Command + K + U.
How do you comment multiple lines in C++?
CommentsSingle-line comments (informally, C++ style), start with // and continue until the end of the line. If the last character in a comment line is a \ the comment will continue in the next line.Multi-line comments (informally, C style), start with /* and end with */ .
How do you comment multiple lines in pandas?
To comment out multiple lines in Python, you can prepend each line with a hash ( # ). With this approach, you're technically making multiple single-line comments. The real workaround for making multi-line comments in Python is by using docstrings.
What is the shortcut to comment multiple lines in HTML?
You can comment multiple lines by the special beginning tag placed before the first line and end of the last line as shown in the given example below.
How to start a multiline comment in Java?
In java programming language we need to start our multiline comments with forward-slash and an asterisk symbol and end the comment with double asterisk symbols followed by a forward slash. Here is the simple syntax of java multiline comments.
How to add a comment in Java?
To add a single line java comment, just write the comment and then press Ctrl + forward-slash ( ctrl + / ) and the statement will be converted into a java comment. It is the easiest and short way to add comments.
Why do we use single line comments in Java?
Single line comments are useful when we need to define variables instantly or give a very short intro of the following code. There is no any specific place for comments but it is recommended to add comments in the same indentation level of the code. In this section, we will see the syntax of java single-line comments and take some examples.
Why are comments important in Java?
In any programming language, comments are really important as they help others to go through your code and understand each step easily. Moreover, comments are like documentation that describes each part of the program. In this tutorial, we learned about java single and multiline comments. We covered different types of comments that we supported by java programs like a single line, multiline and Javadoc.
Why do we add a double asterisk at the end of a comment?
Notice that we add a double asterisk with a forward slash at the end of the comment and it is very important to add because it tells the interpreter that the multiline comment ends here. If we will not add it, the whole program even the code will be included inside the comment.
What happens after double forward slashes in Java?
Anything that we write after the after double forward slashes will be ignored by the java compiler. Now let us see take a real example of java single-line comments. See the example below:
Why do we need documentation of comments?
Documentations of comments are usually used to write large programs for a project or software application as it helps to create documentation API. These APIs are needed for reference, i.e., which classes, methods, arguments, etc., are used in the code. In java, there is a special tool known as the Javadoc tool which helps us to create documentations. In this section, we will learn how we can create documentation using the Javadoc tool
What is a multiline comment in Java?
In Java, multi-line comments have an opening and a closing. They start /* and end with */ symbols. Anything we write between /* and */ will be a comment and, the program will not execute it.
Why do I need to have a multiline comment?
Multi-line comments also come in handy if you don’t want to execute some part of the code and save it for later use . You just need to surround that part with /* and */ and, you are good to go.
What does a multiline comment start with?
Multi-line comments start with /* and ends with */.
Why do we use comments in Java?
Comments can be used to explain Java code, and to make it more readable. It can also be used to prevent execution when testing alternative code .

Introduction to Java Comments
What Are Java Comments?
Java Single Line Comments
Java Multiline Comments
Introduction to Javadoc Comments
Use Keyboard Shortcuts For Java Multiline Comments
- Sometimes, it might be boring to add multiline one by one ( single consecutive ones) or to add the starting and ending part of multiline comments (/**......*/). However, visual studio code provides us some simple and shortcut ways to add comments to the java without manually typing the starting and ending. To add a single line java comment, just wr...
Summary