Dart – Read a String from Console

To read a String from console in Dart, read a line from console using stdin.readLineSync() method, and store the returned value in a variable.

Syntax

The syntax to read a line from console is

stdin.readLineSync()

To use stdin.readLine() method, import 'dart:io' package. The method returns a string.

Examples

In the following program, we read a String from console into variable str, and then print it back to console.

main.dart

import 'dart:io';

void main() {
  print('Enter a message');
  String str = stdin.readLineSync()!;
  print('You entered "$str"');
}

Output

Enter a message
Hello World
You entered "Hello World"

Conclusion

In this Dart Tutorial, we learned how to read a String from console in Dart language, with examples.