dart constructor : code example

Example 1: dart this constructor

class MyClass {
  int param1;
  MyClass(this.param1);
}
final obj = MyClass(100);

class MyClassNamed {			// with named parameters
  int param1;
  MyClassNamed({required this.param1});
}
final objNamedParam = MyClassNamed(param1: 100);

Example 2: named constructor dart

class Person {
  String name;
  int age;
  Person({this.name = '', this.age = 0});
}

void main() {
  Person person1 = Person(name: "Raaj", age: 35);
  print(person1.age);
}