public static int largestAbsVal(int one, int two, int three)
{
    one = Math.abs(one);
    two = Math.abs(two);
    three = Math.abs(three);

    if(one>two)
    {
        if(one>three)
        {
            return one;
        }
        return three;
    }
    if(two>one)
    {
        if(two>three)
        {
            return two;
        }
        return three;
    }
    if(three>one)
    {
        if(three>two)
        {
            return three;
        }
        return two;
    }
    return one;
}