need help #java

Question

how to get sum of digits
using loop
...??

Answer 1

int digit = 0;
for (int i = 0; i <= 10; i++) {
digit += i;
}
// digit = 0 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10