Readers ask: Java Block Comment?

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 a block comment?

The second is called a Block comment and refers usually refers to a paragraph of text. A block comment has a start symbol and an end symbol and everything between is ignored by the computer.

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 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.

How do you write a good comment in code?

Here are some rules to help you achieve a happy medium:

  1. Rule 1: Comments should not duplicate the code.
  2. Rule 2: Good comments do not excuse unclear code.
  3. Rule 3: If you can’t write a clear comment, there may be a problem with the code.
  4. Rule 4: Comments should dispel confusion, not cause it.

How do you write a good comment example?

To get the most out of commenting on F1 Fanatic, here are ten quick and easy tips on how to write a great comment.

  1. Read the article.
  2. Respond to the article.
  3. Read the other comments.
  4. Make it clear who you’re replying to.
  5. Use the return key.
  6. Avoid sarcasm.
  7. Avoid unnecessary acronyms.
  8. Use facts.

What are the two types of comments?

Using Two Types of Comments

  • Marginal comments.
  • End comments.

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.

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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.

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 “*”.

How do you make a block comment?

To comment a block:

  1. Select the required block of code.
  2. 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.

How do you add comment in Java?

Adding Comments to Java Code

  1. Traditional comments: The first five lines of the listing form one traditional comment. The comment begins with /* and ends with */.
  2. End-of-line comments: The text //I?
  3. Javadoc comments: A javadoc comment begins with a slash and two asterisks (/**).

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.

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