Java 键盘输入算出最大值和最小值和平均值

package wjj;

import java.util.Scanner;

public class pwdf {
    public static void main (String[]ages){

        int []arr=new int [6];
        Scanner sc=new Scanner(System.in);
//        System.out.println("请输入第一个评委的打分:");
//        arr[0]=sc.nextInt();
        for (int i=0;imax) {
                max=arr[i];
            }
        }
        return max;
        }


    public static void aa(int[]arr){
        System.out.print("[");
        for (int i=0;i