Created
October 29, 2022 02:02
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import 'package:flutter/foundation.dart'; | |
import 'dart:math'; | |
void main() { | |
// The output should look like this: | |
print('Circle 1'); | |
Circle circle1 = Circle(); | |
circle1.setRadius = 1.0; | |
circle1.setColor = 'red'; | |
print("Area: ${circle1.getArea()}"); | |
print("Circumference: ${circle1.getCircumference()}"); | |
print("Description: ${circle1.getDescription()}"); | |
print("Color: ${circle1.getColor()}"); | |
// ///////////////////////////////////////////////////////////////////////////////////// | |
/////////////////////////////////////////////////////////////////////////// | |
////////////////////////////////////////////////////// | |
print('Circle 2'); | |
Circle circle2 = Circle(2.0); | |
circle1.setColor = 'red'; | |
print("Area: ${circle2.getArea()}"); | |
print("Circumference: ${circle2.getCircumference()}"); | |
print("Description: ${circle2.getDescription()}"); | |
print("Color: ${circle2.getColor()}"); | |
// ///////////////////////////////////////////////////////////////////////////////////// | |
/////////////////////////////////////////////////////////////////////////// | |
////////////////////////////////////////////////////// | |
print('Circle 3'); | |
Circle circle3 = Circle(2.0, 'blue'); | |
print("Area: ${circle3.getArea()}"); | |
print("Circumference: ${circle3.getCircumference()}"); | |
print("Description: ${circle3.getDescription()}"); | |
print("Color: ${circle3.getColor()}"); | |
} | |
class Circle { | |
double radius; | |
String color; | |
Circle([ | |
this.radius = 0.0, | |
this.color = '', | |
]); | |
set setColor(String inputColor) => color = inputColor; | |
set setRadius(double inputRadius) => radius = inputRadius; | |
double getArea() { | |
return pi * pow(radius, 2); | |
} | |
double getCircumference() { | |
return 2 * pi * radius; | |
} | |
String getColor() { | |
return color; | |
} | |
String getDescription() { | |
return ' radius: $radius , color: ${color}'; | |
} | |
} |
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HNG i9