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. Single-line comments start with two forward slashes ( // ). Any text between // and the end of the line is ignored by Java (will not be executed).
Block comments delimit a region of source code which may span multiple lines or a part of a single line. This region is specified with a start delimiter and an end delimiter. Some programming languages (such as MATLAB) allow block comments to be recursively nested inside one another, but others (such as Java) do not.
Also question is, How do you write multiple line comments?
Multi line comments in Java start with /* and end with */. You can comment multiple lines just by placing them between /* and */.
Also, How do you block comments on Facebook? – Step 1: Go to settings.
– Step 2: Go to “General” then “Page Moderation” From the “General“ section, scroll down to “Page Moderation.” Click “Edit.”
– Step 3: Enter words to block. …
– Step 4: You’re Done. …
– Step 1: Choose degree then save. …
– Step 2: You’re done.
Accordingly, How do you comment out code in Java? – Select the required block of code.
– Press Ctrl + Shift + / The beginning (/*) and ending (*/) characters will be added in the appropriate places in order to mark the selected block as a comment.
What are the three types of comments in Java?
– Single-line Comments. As the name suggests, it is for the beginners and is in a single line Java comments. …
– Multi-line Comments. …
– Documentation Comments.
What are comments give an example of multi line comments?
Name /* */ (multiline comment)
——– ————————————————————————————————————————————————————————
Examples /* Draws two lines which divides the window into four quadrants. First draws a horizontal line and then the vertical line */ line(0, 50, 100, 50); line(50, 0, 50, 100);
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 is /* in Java?
/** and /* in Java comments All characters available inside any comment are ignored by Java compiler. /** 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 are block comments?
Overview. Comments are generally formatted as either block comments (also called prologue comments or stream comments) or line comments (also called inline comments). Block comments delimit a region of source code which may span multiple lines or a part of a single line. … Other languages support only one type of comment …
How do you block comments on a Facebook post?
Unfortunately, the functionality to disable comments on your posts is not currently available. Anyone included in the privacy setting of your post will be able to view, like, and comment on your post. We’ll keep your suggestion in mind as we continue to improve Facebook.
What’s the difference between Block and line comments?
Comments are specially marked lines of text in the program that are not evaluated. … The first is called a single line comment and, as implied, only applies to a single line in the “source code” (the program). The second is called a Block comment and refers usually refers to a paragraph of text.
Can I stop someone from commenting on my Facebook posts?
Select Settings & Privacy, then click Settings. Click Public Posts on the left. Go to Who Can Follow Me and make sure Public is selected. Click Edit next to Public Post Comments.
How do you write comment lines?
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.
How do you comment multiple lines?
The keyboard shortcut to comment multiple in Windows is shift + alt + A .
What is the shortcut to comment multiple lines?
A number of shortcuts are listed there. You search for Cmd + Shift + c . The shortcut generates multi line comments with // . Press Ctrl + C.
What is the difference between single line text and multi line text?
Use single-line text to create one or more lines of text, ending each line when you press Enter. Each text line is an independent object that you can relocate, reformat, or otherwise modify. … If you need to apply formatting to individual words and characters, use multiline text instead of single-line text.
How do you comment out in Java?
– 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.
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