public class exp2{
    public static void main(String args[]){
        int i=0
        for(i=1;i<=20;i++)
    System.out.println(f(i));
  }
        public static int f(int x)
        {
            if(x==1||x==2)
            return 1;
            else
            return f(x-1)+f(x-2);
        }
}
找了半天没找出来第4行哪出错了

非常感谢，找半天没找出来哪里有错呵呵