Write a program to generate Harmonic Series.

/*Example 
 Input - 5
 Output - 1 + 1/2 + 1/3 + 1/4 + 1/5 = 2.28 (Approximately) */

class HarmonicSeries {

    public static void main(String args[]) {
        int num = Integer.parseInt(args[0]);
        double result = 0.0;
        while (num > 0) {
            result = result + (double) 1 / num;
            num--;
        }
        System.out.println("Output of Harmonic Series is " + result);
    }
}