求参赛者的平均分,取最大值

package demo;public class demo9 {    public double calAvg(int[]scores){    int sum=0;    double avg=0.0;    for(int i=0;i<scores.length;i++){    sum+=scores[i];    avg=(double)sum/scores.length;        }return avg;        }    public int calMax(int[]scores){    int max=scores[0];    for(int i=1;i<scores.length;i++){    if(max<scores[i]){    max=scores[i];    }    }    return max;    }}

package demo;import java.util.Scanner;public class demo10 {public static void main(String[] args) {demo9 a=new demo9();int[]scores=new int[5];Scanner input=new Scanner(System.in);System.out.println("请输入五位参赛者的成绩:");for(int i=0;i<5;i++){scores[i]=input.nextInt();}double avg=a.calAvg(scores);System.out.println("平均成绩:"+avg);int max=a.calMax(scores);System.out.println("最高成绩:"+max);}}