gistfile1.txt

    public static Number min(final Number a, final Number b) {
        return isNonValue(a) ? b :
                isNonValue(b) ? a :
                        getHelper(getHighestCommonNumberClass(a, b)).min.apply(a, b);
    }

    public static Comparable min(final Comparable a, final Comparable b) {
        if (a instanceof Number && b instanceof Number) {
            return min((Number) a, (Number) b);
        }
        return isNonValue(a) ? b :
                isNonValue(b) ? a :
                        a.compareTo(b) < 0 ? a : b;
    }