53 lines
1.4 KiB
Java
53 lines
1.4 KiB
Java
|
enum FurLength { none, short, medium, long }
|
||
|
|
|
||
|
|
extension FurLengthPrint on FurLength {
|
||
|
|
String prints() {
|
||
|
|
switch (this) {
|
||
|
|
case FurLength.none:
|
||
|
|
return ('нет шерсти');
|
||
|
|
case FurLength.short:
|
||
|
|
return('короткая');
|
||
|
|
case FurLength.medium:
|
||
|
|
return('средняя');
|
||
|
|
case FurLength.long:
|
||
|
|
return('длинная');
|
||
|
|
default:
|
||
|
|
return ('нет данных');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
class Cat {
|
||
|
|
final String _name;
|
||
|
|
final int _lifeSpan;
|
||
|
|
final FurLength _furLength;
|
||
|
|
|
||
|
|
String get name => _name;
|
||
|
|
int get lifeSpan => _lifeSpan;
|
||
|
|
String get furLength => _furLength.prints();
|
||
|
|
|
||
|
|
Cat(this._name, this._lifeSpan, this._furLength);
|
||
|
|
}
|
||
|
|
|
||
|
|
void main() {
|
||
|
|
print("Энкциклопедия кошек загружена");
|
||
|
|
|
||
|
|
final listCats = [
|
||
|
|
new Cat("Сфинкс", 13, FurLength.none),
|
||
|
|
new Cat("Персидская", 20, FurLength.long),
|
||
|
|
new Cat("Сиамская", 23, FurLength.short),
|
||
|
|
];
|
||
|
|
|
||
|
|
for (final cat in listCats)
|
||
|
|
{
|
||
|
|
print("Порода: ${cat.name} \t Продолжительность жизни: ${cat.lifeSpan-3}-${cat.lifeSpan} \t Длина шерсти: ${cat.furLength})");
|
||
|
|
}
|
||
|
|
|
||
|
|
Future<void> future = Future.delayed(
|
||
|
|
Duration(seconds: 1),
|
||
|
|
() => print("Сохранение данных"));
|
||
|
|
|
||
|
|
future.then((_) {
|
||
|
|
print("Закрытие приложения");
|
||
|
|
});
|
||
|
|
}
|