Classes and Constructors in Dart

readme.md

Classes and Constructor in Dart

main.dart

// Classes are blueprint for an object 
// user object describried by using properties and methods
void main() {
// instantiaing a class with the User object
  print("******************************");
  print("To avoid hard codes values inside the class, created a constructor class.");
  print("Constructor is a spl class");
  print("******************************");
  print('');
  User userOne = User('Andy',30);
    print(userOne.username);
    print(userOne.age);
    userOne.login();
  print('');  
  User userTwo = User('Deepa', 35);
    print(userTwo.username);
    print(userTwo.age);
    userTwo.login();
  
}

// creating a class with User object with properties such as name and age and 
// with a login()

class User{
    String username ;
    int age;
    User(this.username,this.age);
  
// login function inside of the User object
   void login() {
      print('user is logged in');
    }
}