# Function SumDigits - Practice Exercises Java

## Lesson 5:

## Functions

## Exercise 5.17:

## Function SumDigits

## Objetive:

## Create a function SumDigits that receives a number and returns any results in the
sum of its digits. For example, if the number is 123, the sum would be 6.

Console.Write( SumDigits(123) );

6

## Source Code:

```
public class Main
{
public static int SumDigits(int n)
{
String number = String.valueOf(n);
int sum = 0;
for (int i = 0; i < number.length(); i++)
{
sum += Integer.parseInt(number.substring(i, i + 1));
}
return sum;
}
public static void main(String[] args)
{
System.out.println(SumDigits(123));
}
}
```

Exercisey 5.17