main.dart

// WITHIN A SINGLE FILE, IT WON'T WORK
class Employee {
  // Private property
  var _name;

  // Getter method to access private property _name
  String getName() {
    return _name;
  }

  // Setter method to update private property _name
  void setName(String name) {
    this._name = name;
  }
}

void main() {
  var employee = Employee();
  // ENCAPSULATION WON'T WORK
  employee._name = "John"; // It is working, but why? 
  print(employee.getName());
}

// ENCAPSULATION WORKS WHEN THE PROPERTY/METHOD OF THE CLASS BEING INVOKED IS 
//IN A FILE DIFFERENT FROM THE FILE IT IS DECLARED