Dart Classes

Classes.dart

class Person {
  final String name;
  final int age;
  
  Person(this.name, this.age);
  
  Person.born() : name = 'Abdulloh', age = 15;
  
  factory Person.zero() {
    final one = Person.born().age-7;
    
    return Person('Zinnura', one);
  }
  
}



void main() {
  final unknowPerson = Person('Kamola', 17);
  final unknowPersonName = unknowPerson.name;
  final unknowPersonAge = unknowPerson.age;
  
  final abdulloh = Person.born();
  final abdullohName = abdulloh.name;
  final abdullohAge = abdulloh.age;
  
  print('$unknowPersonName: $unknowPersonAge');
  print('$abdullohName: $abdullohAge');
  
  print(Person.zero().age);
}