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// WAP to compute the sum of the digits in an integer.

public class Question5 {

public static int sum(int num) {

int sum = 0;

while (num > 0) {

int rem = num % 10;

sum += rem;

num /= 10;

}

return sum;

}

public static void main(String[] args) {

System.out.println(sum(811));

}

}