FirstProgram

main.dart

void main() {

  String name = "Bob";
  var name_ = "Bob"; 
  // Automatically infers type. name contains refernee to String object with value "Bob"
  // name = 22; Cannot assign value of different type
  // Note: Dart is strongly typed
  
  dynamic planet = "Earth";
  planet = 33;
  
  // Default value of every variable is null
  
  int lineCount;
  print(lineCount);
  assert(lineCount == null);
  
  // final variable can only be set only once; a const variable is a compile-time constant
  
  final x = 'Bob';
  const bar = 100000;
  
  // const can also be used to create const values
  var foo = const [];
  foo = ["Hello"];
  print(foo);
 
}