这个错误是什么意思？哪里的问题？解答一下

import java.util.Scanner;
class Score{
    public void score(int[] Score){
        Scanner reader=new Scanner(System.in);
        for(int i=0;i<Score.length;i++){
            Score[i]=reader.nextInt();
        }
        for(int i=0;i<Score.length-1;i++){
            for(int j=0;j<Score.length-i-1;j++){
                if(Score[j]>Score[j+1])
                {
                    int temp=Score[j];
                    Score[j]=Score[j+1];
                    Score[j+1]=temp;
                }
            }
        }
        System.out.print("去掉最高分:"+Score[Score.length-1]+";去掉最低分:"+Score[0]+"。");
    }
    public double add(int[] Score){
        double a=0;
        for(int i=1;i<Score.length-1;i++){
            a=a+Score[i];
        }
        return a/(Score.length-2);
    }
}


public class Test{
    public static void main(String[] args){
        Scanner reader=new Scanner(System.in);
        int[] s;
        System.out.println("请输入评委的个数");
        int x=reader.nextInt();
        s=new int[x];
        Score me=new Score();
        System.out.println("请输入各个评委的分数:");
        me.score(s);
        double d=me.add(s);
        System.out.println("选手最后得分是:"+d);
    }
}