Read the question, write Java on the right, then Run or Check.
QuestionHint and solution stay closed until you open them
Read non-negative n; print sum of digits.
Examples
Input
123
Output
6
Hint
- while (n > 0) { s += n % 10; n /= 10; }
Show correct code
Peek only after you have tried. You can still Check your own version.
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int n = in.nextInt();
int s = 0;
while (n > 0) { s += n % 10; n /= 10; }
System.out.println(s);
}
}
Main.javaJava 21 · javac · Ctrl + Enter runs
ResultIdle
Run to see output. Check grades the tests.