Java: Compute the sum of the digits in an integer
Java Method: Exercise-6 with Solution
Write a Java method to compute the sum of digits in an integer.
Test Data:
Input an integer: 25
Pictorial Presentation:
Sample Solution:
Java Code:
import java.util.Scanner;
public class Exercise6 {
public static void main(String[] args)
{
Scanner in = new Scanner(System.in);
System.out.print("Input an integer: ");
int digits = in.nextInt();
System.out.println("The sum is " + sumDigits(digits));
}
public static int sumDigits(long n) {
int result = 0;
while(n > 0) {
result += n % 10;
n /= 10;
}
return result;
}
}
Sample Output:
Input an integer: 25 The sum is 7
Flowchart:
Java Code Editor:
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