dart-class-example.dart

class Person {
  // String and int variables don't allow `null`
  // They wanna be initialized
  // `late` says to compiler to not worry as these vars will be init later
  late String name;
  late int age;

  // constructor with named parameters, with default values
  Person({String inputName = '', int age = 30}) {
    name = inputName;
    // if parameter and class field has same name, you need to use `this.`
    this.age = age;
  }

//   constructor with sequence parameters
//   Person(String inputName, int inputAge) {
//     this.name = inputName;
//     this.age =age
//   }
  
//   short hand constructor
//   Person({this.name, this.age = 30});
}

void main () {
  var p1 = Person(inputName: 'Max', age: 31);
}