// The blueprint
class Dog {
  String name;

  void bark() {
    System.out.println(name + " says woof!");
  }
}

public class Main {
  public static void main(String[] args) {
    // Two independent objects from the same class
    Dog first = new Dog();
    first.name = "Rex";

    Dog second = new Dog();
    second.name = "Bella";

    first.bark();   // Rex says woof!
    second.bark();  // Bella says woof!
  }
}