2D array
Topic source int sum = 0;
int num = 0;
for (int[]arr: scores){
for (int n: arr){
sum += n;
num ++;
}
}
double average = (double)sum/num;
- 1
int sum = 0;
int num = 0;
for (int[]arr: scores){
for (int n: arr){
sum += n;
num ++;
}
}
double average = (double)sum/num;
一口一个窝窝头