main() {
// 'var' declares a variable. dartanalyzer infers the type.
var a = "initial";
print(a);
// The type can also be declared:
num b = 42;
print(b);
// final variables cannot be changed once declared
final num c = 99;
print(c);
// const variables are compile-time constants
const double d = 44.00;
print(d);
}
$ dart variables.dart
initial
42
99
44.0