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public class Faculty {
    public static void main(String[] args)
    {
        int x = 5;
        int result1, result2;

        result1 = iterativ(x);

        System.out.println("iterativ: " + result1);

        result2 = rekursiv(x);

        System.out.println("rekursiv: " + result2);

    }

    private static int rekursiv(int x) {
        if (x==0)
        {
            return 1;
        }
        else
        {
            return x * rekursiv(x-1);
        }
    }

    private static int iterativ(int x) {
        int result = 1;
        for(int i = 1; i<=x;i++)
        {
            result = result * i;
        }
        return result;
    }
}