Java猴子吃桃问题

public class 猴子吃桃 {
  static int total(int day){
    if(day == 10){
     return 1;
    }
    else{
     return (total(day+1)+1)*2;
    }
    }
  public static void main(String[] args)
  {
    System.out.println(total(1));
  }
}