public class Harmonic {
    public static void main(String[] args) {
        for (int i = 1; i < 100; i++) {
            System.out.println(i + "  " + harmonic(i));
        }
    }

    public static double harmonic(int harm) {
        double rtn = 0; // double return type
        for (int i = 1; i <= harm; i++) {  // Note the <=
            rtn += 1.0 / i;
        }
        return rtn;
    }
}