To comment more than one line:
- 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.
How do we use single line comments in JavaScript?
Multi-Line
- JavaScript Comments: Main Tips. Comments in JavaScript are used to explain the code and make the program more readable for developers.
- Comment vs. Comment Out. ...
- Single-line Comments. Single-line comments are used to comment a part of a line or a full line of code in JavaScript. ...
- Multi-line Comments. ...
- JavaScript Comments: Summary. ...
How to read input with multiple lines in Java?
- //import for Scanner and other utility classes
- import java.util.*;
- class readInputWithoutnewLine {
- public static void main (String args [] ) throws Exception {
- String name;
- int age;
- float weight;
- Scanner input = new Scanner (System.in);
- System.out.print ("Enter your name: ");
- name = input.next ();
How to make multiple line inside JTable cell in Java?
Multi-Line Cells in the JTable. Author: Dr. Heinz M. Kabutz Date: 2002-04-11 Java Version: 1.3 Category: GUI. Abstract: In this newsletter we have a look at how we can render a JTextArea in a JTable cell. Welcome to the 45th edition of The Java (tm) Specialists' Newsletter, read in over 78 countries , with newest additions Thailand and Iceland.
How to remove commented lines in Java?
Types of Java Comments
- Java Single Line Comment The single line comment is used to comment only one line. ...
- Java Multi Line Comment The multi line comment is used to comment multiple lines of code. ...
- Java Documentation Comment
How do you insert a comment with multiple lines?
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.
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.
How do I turn multiple lines in comments?
0:000:38Comment multiple lines of code - YouTubeYouTubeStart of suggested clipEnd of suggested clipIf you wish to comment out a block of code simply select it right-click go down to source and selectMoreIf you wish to comment out a block of code simply select it right-click go down to source and select add block comment. I can remove it the same way source remove block comment if you wish to comment
How do you comment out a whole section in Java?
First we'll look at adding line comments to a section of code. I start by highlighting the lines of code that I wish to comment out. Hitting Control-/ comments out the section of code using line comments. Hitting Control-/ again uncomments the section of code.
What does i += 2 mean in Java?
Java += operator += is compound addition assignment operator which adds value of right operand to variable and assign the result to variable. Types of two operands determine the behavior of += in java. In the case of number, += is used for addition and concatenation is done in case of String.
How do you add comments 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 the difference between single line comment and multi line comment?
The single line, you are allowed to only have a short line, up to one line. Multi line is when you have a text that content more than 1 line.
How we make single line and multi line comments give an example of each?
Example 1: Writing Single-Line Comments# printing a string print('Hello world') Run Code.print('Hello world') #printing a string. Run Code.''' I am a multiline comment! ''' print("Hello World") Run Code.
How do I comment multiple lines in Intellij?
Comment and uncomment blocks of codeFrom the main menu, select Code | Comment with Block Comment.Press Ctrl+Shift+/ .
How do you select and 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 */.
How are multiline comments written in Javascript?
Multiline (Block) Comments Javascript multiline comments, also known as block comments, start with a forward slash followed by an asterisk (/*) and end with an asterisk followed by a forward slash (*/). They do not require a comment delimiter character on every line and may contain newlines.
How do you comment out a block of code?
If you just highlight the code you want to comment out and go to Edit --> Box-Comment. It'll do it all for you. Show activity on this post. First, select the code.
1. Overview
In this article, we'll learn how to declare multi-line strings in Java. Now that Java 15 is out, we can use the new native feature called Text blocks. We'll also review other methods if we can't use this feature.
2. Text Blocks
We can use Text Blocks by declaring the string with """ (three double-quote marks):
3. Getting the Line Separator
Each operating system can have its own way of defining and recognizing new lines. In Java, it's very easy to get the operating system line separator:
4. String Concatenation
String concatenation is an easy native method which can be used to create multi-line strings:
5. String Join
Java 8 introduced String#join, which takes a delimiter along with some strings as arguments. It returns a final string having all input strings joined together with the delimiter:
6. String Builder
StringBuilder is a helper class to build String s. StringBuilder was introduced in Java 1.5 as a replacement for StringBuffer. It's a good choice for building huge strings in a loop:
7. String Writer
StringWriter is another method that we can utilize to create a multi-line string. We don't need newLine here, because we use PrintWriter. The println function automatically adds new lines:
