Created
September 3, 2024 03:20
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mixin example for dart
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| abstract class Animal { | |
| void breath() { | |
| print('breathing'); | |
| } | |
| } | |
| mixin Swim { | |
| void swim() { | |
| print('swimming'); | |
| } | |
| } | |
| class Whale extends Animal with Swim{ | |
| String feature = 'lung'; | |
| void hasLung() { | |
| print('has lung'); | |
| } | |
| void describe() { | |
| print('Here is an animal'); | |
| print(feature); | |
| hasLung(); | |
| swim(); | |
| } | |
| } | |
| class Fish extends Animal with Swim { | |
| String feature = 'gill'; | |
| void hasGill() { | |
| print('has gill'); | |
| } | |
| void describe() { | |
| print('Here is a fish'); | |
| print(feature); | |
| hasGill(); | |
| swim(); | |
| } | |
| } | |
| void main() { | |
| var whale = Whale(); | |
| whale.describe(); | |
| var fish = Fish(); | |
| fish.describe(); | |
| } |
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