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kwalrath/main.dart

Last active November 5, 2022 04:01
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Java-to-Dart codelab: Starting Shapes example
Raw
main.dart
import 'dart:math';
abstract class Shape {
num get area;
}
class Circle implements Shape {
final num radius;
Circle(this.radius);
num get area => pi * pow(radius, 2);
}
class Square implements Shape {
final num side;
Square(this.side);
num get area => pow(side, 2);
}
main() {
final circle = Circle(2);
final square = Square(2);
print(circle.area);
print(square.area);
}
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