Java Comment Block?

How do you comment multiple lines in Java?

Multi line comments in Java start with /* and end with */. You can comment multiple lines just by placing them between /* and */.

What is /* in Java?

/** and /* in Java comments Java supports single-line and multi-line comments very similar to C and C++. /** 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 does a block comment look like in Java?

5.1. They can also be used in other places, such as within methods. Block comments inside a function or method should be indented to the same level as the code they describe. A block comment should be preceded by a blank line to set it apart from the rest of the code. See also “Documentation Comments” on page 9.

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How do I block comment code?

To block comment /* */ code:

  1. In the C/C++ editor, select multiple line(s) of code to comment out.
  2. To comment out multiple code lines right-click and select Source > Add Block Comment. ( CTRL+SHIFT+/ )
  3. To uncomment multiple code lines right-click and select Source > Remove Block Comment. ( CTRL+SHIFT+ )

How do you comment multiple lines?

The keyboard shortcut to comment multiple in Windows is shift + alt + A.

What is single line comment in Java?

The single-line comment is used to comment only one line of the code. It is the widely used and easiest way of commenting the statements. Single line comments starts with two forward slashes (//). Any text in front of // is not executed by Java.

Is 0 True or false Java?

A 0 (zero) is treated as false. Where as in JAVA there is a separate data type boolean for true and false. In C and C++ there is no data type called boolean. That’s why it instead uses 1 and 0 as replacements for true and false values.

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 difference between i ++ and ++ i in Java?

++i and i++ both increment the value of i by 1 but in a different way. Increment in java is performed in two ways, 1) Post-Increment (i++): we use i++ in our statement if we want to use the current value, and then we want to increment the value of i by 1.

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What are block comments?

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.

How do you write a good comment 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 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 or code?

Comment-out code in VSCode

  1. Windows: Ctrl + /
  2. Mac: Command + /

How do you comment out HTML code?

To “comment out” in HTML, simply place the <! ╌ ╌> tags around the code you want to hide. These tags will tell browsers not to render this code on the front end. Commenting out has two main purposes.

How do you add comments to code?

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. * This is a block comment.

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