Dart is a platform-independent language and supports all operating systems such as Windows, Mac, Linux
It is an open-source language, which means it available free for everyone. It comes with a BSD license and recognized by the ECMA standard
Dart provides an online editor which is known as DartPad available at https://dartpad.dartlang.org/
// print Hello World
void main() {
print("Hello World!");
}dart file_name.dart