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Introduction to Dart

bookDart Comments

Developers use comments to make code easier to understand. The Dart interpreter ignores them, allowing you to explain what the code does or clarify its purpose.

main.dart

main.dart

copy

              
123

            
void main() {
  print('Correct'); // Outputs word Correct to the console
}

You can comment out code blocks to prevent them from running. This is helpful for avoiding runtime errors or testing specific parts of your code.

main.dart

main.dart

copy

              
12345

            
void main() {
  // print("This is a test!");
  print('Hello, World!');
  // print Hello, World!"'()
}

Dart supports single-line comments // and multi-line comments /* */.

main.dart

main.dart

copy

              
123456

            
void main() {
   /* Displaying information 
    to the console */

  print('Very useful topic'); // Outputs to the console  
}
question mark

How many times will the word Dart be displayed in the console?

Select the correct answer

Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

Avsnitt 1. Kapitel 4

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bookDart Comments

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Developers use comments to make code easier to understand. The Dart interpreter ignores them, allowing you to explain what the code does or clarify its purpose.

main.dart

main.dart

copy

              
123

            
void main() {
  print('Correct'); // Outputs word Correct to the console
}

You can comment out code blocks to prevent them from running. This is helpful for avoiding runtime errors or testing specific parts of your code.

main.dart

main.dart

copy

              
12345

            
void main() {
  // print("This is a test!");
  print('Hello, World!');
  // print Hello, World!"'()
}

Dart supports single-line comments // and multi-line comments /* */.

main.dart

main.dart

copy

              
123456

            
void main() {
   /* Displaying information 
    to the console */

  print('Very useful topic'); // Outputs to the console  
}
question mark

How many times will the word Dart be displayed in the console?

Select the correct answer

Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

Avsnitt 1. Kapitel 4
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