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gyugyu90/headphone_polymorphism.dart

Last active October 20, 2024 01:05
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headphone_polymorphism.dart
void main() {
Headphone bluetoothHeadphone = BluetoothHeadphone();
// bluetoothHeadphone.togglePlay(); // Error: The method 'togglePlay' isn't defined for the class 'Headphone'.
bluetoothHeadphone.increaseVolume();
print(bluetoothHeadphone.volume); // 5.5
}
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