NeemCharles

void main() {
 Circle circle1 = Circle.circle1();
 Circle circle2 = Circle.circle2(2);
 Circle circle3 = Circle.circle3(2, 'blue');
}


class Circle {
  double? radius;
  String? color;

NeemCharles

import 'package:flutter/material.dart';


void main() {
  runApp(const App());
}


class App extends StatelessWidget {
  const App({super.key});