HNGi9_Task1_Mobile

readme.md

HNGi9_Task1_Mobile

Created with <3 with dartpad.dev.

main.dart

import 'dart:math';


void main() {
  
  // Circle objects
  Circle circle1 = Circle();
  Circle circle2 = Circle.onlyRad(radius: 2);
  Circle circle3 = Circle.radAndColor(radius: 2, color: 'blue');

  // Printing circles
  print('''
    Circle 1:
    Area: ${circle1.getArea()}
    Circumference: ${circle1.getCircumference()}
    ${circle1.getDescription()}
    Color: ${circle1.color}
  ''');

  print('''
    Circle 2:
    Area: ${circle2.getArea()}
    Circumference: ${circle2.getCircumference()}
    ${circle2.getDescription()}
    Color: ${circle2.color}
  ''');
    
  print('''
    Circle 3:
    Area: ${circle3.getArea()}
    Circumference: ${circle3.getCircumference()}
    ${circle3.getDescription()}
    Color: ${circle3.color}
  ''');
  
}


class Circle{
  // Properties
  final double radius;
  final String color;
  
  // Constructors
  Circle({  this.color = 'red',  this.radius = 1});
  Circle.onlyRad({required this.radius}): color = 'red';
  Circle.radAndColor({required this.color, required this.radius});
  
  // Methods
  double getArea() {
    return  pi * pow(radius, 2);
  }
  
  double getCircumference() {
    return 2 * pi * radius;  
  }
  String getDescription() {
    return 'Description: Radius: $radius Color: $color';
  }

  String getColor() {
    return 'Color: $color';
  }
  
}