阅读以下程序，写出输出结果

阅读以下程序，写出输出结果。

class SmallPlate {
  SmallPlate(int i) {
System.out.println("Plate constructor");
  }
}
 
class DinnerPlate extends SmallPlate {
  DinnerPlate(int i) {
    super(i);
    System.out.println("DinnerPlate constructor");
  }
}
 
class Utensil {
  Utensil(int i) {
  System.out.println("Utensil constructor");
  }
}
 
class Spoon extends Utensil {
  Spoon(int i) {
    super(i);
    System.out.println("Spoon constructor");
  }
}
 
class Fork extends Utensil {
  Fork(int i) {
    super(i);
    System.out.println("Fork constructor");
  }
}
 
class Knife extends Utensil {
  Knife(int i) {
    super(i);
    System.out.println("Knife constructor");
  }
}
 
// A cultural way of doing something:
class Custom {
  Custom(int i) {
  System.out.println("Custom constructor");
  }
}
 
public class PlaceSetting extends Custom {
  private Spoon sp;
  private Fork frk;
  private Knife kn;
  private DinnerPlate pl;
  public PlaceSetting(int i) {
    super(i + 1);
    sp = new Spoon(i + 2);
    frk = new Fork(i + 3);
    kn = new Knife(i + 4);
    pl = new DinnerPlate(i + 5);
    System.out.println("PlaceSetting constructor");
  }
  public static void main(String[] args) {
    PlaceSetting x = new PlaceSetting(9);
  }
}