What is the result(constructors and superclass)? : Questions « Object Oriented « SCJP

1. SCJP
2. Object Oriented
3. Questions

class Building {
  Building() {
    System.out.print("b ");
  }

  Building(String name) {
    this();
    System.out.print("bn " + name);
  }
}

public class House extends Building {
  House() {
    System.out.print("h ");
  }

  House(String name) {
    this();
    System.out.print("hn " + name);
  }

  public static void main(String[] args) {
    new House("x ");
  }
}