What will be the output of the following code?

What will be the output of the following code?

class Dog {
  String name;
  void bark() {
    System.out.println(name + " says Woof!");
  }
}

public class Main {
  public static void main(String[] args) {
    Dog dog1 = new Dog();
    dog1.name = "Buddy";
    dog1.bark();
  }
}