public class Boss ???????????????????? {
  public int count;

  public Boss() {
    count = 0;
  }

  @Override
  public void attack(Player p) {
    System.out.print("%8s の攻撃: ", "Boss");
    if (++count >= 3) {
      p.damage(1000);
    } else {
      p.damage(0);
    }
  }
}