import java.util.Random;
public class demo {
public static void main(String[] args) {
int[][] Array = new int[3][3];
Random random = new Random();
for (int i = 0; i < Array.length; i++) {
int sum=0;
for (int n = 0; n < Array[i].length; n++) {
Array[i][n] = random.nextInt(99) + 1;
sum+=Array[i][n];
}
System.out.println("第"+(i+1)+"行的和"+sum);
System.out.println("第"+(i+1)+"行的平均数"+(sum/3));
}
}
}