int sum = 0;
for (int i = 1; i <= 3; i++) {
for (int j = 1; j <= 3; j++) {
sum += j;
}
}
System.out.println(sum);What is printed?
- Acheck_circle
18
- B
6
- C
9
- D
27
Explanation
Inner loop sums 1+2+3 = 6. Outer loop runs 3 times, so total = 6 * 3 = 18.