1-100随机抽取十个数存入数组中，遍历数组，求总和，平均数和小于平均数的个数

package aa;
import java.util.Random;
public class demo {
public static void main(String[] args) {
int []a=new int[10];
Random r=new Random();
for (int i = 0; i < 10; i++) {
int x=r.nextInt(100)+1;
a[i]=x;
System.out.println(a[i]);
}
int sum=0;
for (int i = 0; i < 10; i++) {
sum+=a[i];
}
System.out.println("数据之和为："+sum);
double avg=0;
avg=sum/10;
System.out.println("数据平均数为："+avg);
int s=0;
for (int i = 0; i <10; i++) {
if(a[i]<avg)
s++;
}
System.out.println(s+"个数据比平均值小");
}
}