Dart – Read an Integer from Console
To read an integer from console in Dart, first read a line from console using stdin.readLineSync()
method, and then convert this line (string) into an integer using int.parse()
method.
Syntax
The syntax to read an integer from console is
int.parse(stdin.readLineSync()!)
To use stdin.readLine()
method, import 'dart:io'
package.
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Examples
In the following program, we read an integer from console into variable N
, and then print it back to console.
main.dart
import 'dart:io'; void main() { print('Enter N'); int N = int.parse(stdin.readLineSync()!); print('You entered $N'); }
Output
Enter N 123456 You entered 123456
Conclusion
In this Dart Tutorial, we learned how to read an integer from console in Dart language, with examples.