编辑代码

class Main {
	public static void main(String[] args) {
       int[] data = new int[]{1,2,3,4,5,6,7,8,9,88,66};
       int max = data[0]; //假设第一个数为最大值
       int min = data[0]; //假设第一个数为最小值
       int sum = data[0];
       for (int i = 1;i < data.length;i++){
           if(data[i] > max){
               max = data[i];
               }
            if(data[0] < min){
                min = data[i];
            }
       }
       System.out.println("最大值为：" +max);
       System.out.println("最小值为：" +min);
       System.out.println("平均值为：" +(double)sum/data.length);
	}
}