Quick Answer: How do you comment all lines in Java?

How do you comment out a whole section in Java?

Press Ctrl + /

  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 comment all in Java?

Ctrl + SHIFT + L which will open a list of all major shortcuts for eclipse.

  1. For single line java code comment and uncomment : Ctrl + / (Forward Slash)
  2. For multiple line java code comment : Ctrl + Shift + / (Forward Slash) and. …
  3. For single line xhtml code comment/uncomment : Ctrl + Shift + c.

How do you comment out text in Java?

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).

How do you comment out multiple lines?

To comment out multiple code lines right-click and select Source > Add Block Comment. ( CTRL+SHIFT+/ )

What is the shortcut to comment out code?

If you select a block of code and use the key sequence Ctrl+K+C, you’ll comment out the section of code. Ctrl+K+U will uncomment the code.

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How do you comment multiple lines in Hackerrank?

Your program will be tested on source codes of not more than 200 lines.

  1. Comments in C, C++ and Java programs.
  2. Single Line Comments: // this is a single line comment x = 1; // a single line comment after code. …
  3. Multi Line Comments: /* This is one way of writing comments */ /* This is a multiline comment. …
  4. Input Format.

What are the different kinds of comments?

In Java there are three types of comments:

  • Single – line comments.
  • Multi – line comments.
  • Documentation comments.

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 comment on code?

How to comment Code: Primarily, a single “block” comment should be placed at the top of the function (or file) and describe the purpose the code and any algorithms used to accomplish the goal. In-line comments should be used sparingly, only where the code is not “self-documenting”.

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.

How do you write a good comment 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 “*”.

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