Dart-2 (中文輸入)

Ref: http://ask.make-money-article.com/que/11122732
import 'dart:async';
import 'dart:io';
import 'dart:convert';

void main() {
  readLine().listen(processLine);
}

Stream readLine() => stdin
  .transform(UTF8.decoder)
  .transform(new LineSplitter());

void processLine(String line) {
  print(line);
}

Dart-1

Hello World : Command line

void main() {
  print("Hello, World!");
  // Ref: http://www.dart-tutorials.co.uk/#Tutorials/Getting-Started
  String a = "Hellow World 1";
   String b = 'Hello World 2';
   var c = "Hello World 3";
   print('$a');
   print('$b');
   print('$c');
   String a2 = "1";
   String c2 = "1";
   int b2 = 1;
   print(stringToInt(a2)==b2);
   print(a2==b2);
   print(a2==c2);
 }

 int stringToInt(String value) {
   return value.codeUnitAt(0)-48;
 }