Var number = 42 // Declare and initialize a variable. This is where the app starts executing. Print('The number is $aNumber.') // Print to console. The following code uses many of Dart’s most basic features:
If you see empty boxes instead of DartPads, go to theĭartPad troubleshooting page. This page uses embedded DartPads to display some of the examples. You can play with most of Dart’s language features using DartPad Whenever you want more details about a language feature, To learn more about Dart’s core libraries, see the That you already know how to program in another language.įor a briefer, less complete introduction to the language, see the Variables and operators to classes and libraries, with the assumption This page shows you how to use each major Dart feature, from Generic collections and the types they contain.Using parameterized types with constructors.