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Utils.java

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package net.threebit.utils.sosc ; 

public class Utils
{
    public static int[] toDigits(final String val)
    {
        int digitArray[] = new int[val.length()];

        for(int i = 0; i < val.length(); i++)
        {
            digitArray[i] = val.charAt(i) - '0';
        }

       return digitArray;
    }

    public static int add(final int val)
    {
        int sum;

        sum = val;

        while(sum > 9)
        {
            sum = (sum / 10) + (sum % 10);
        }
        
        return sum;
    }
    
    /* converts a number into an array of its digits. */
    public static int[] toDigits(final int val)
    {
        return toDigits(Integer.toString(val));
    }   
}

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