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Java program to find out the sum of given H.P. Series.

**Harmonic progression (H.P.):**

Harmonic progression is a progression formed by taking the reciprocals of an arithmetic progression.

**Example of H.P. series:**

1/3, 1/6, 1/9, …

If you take the reciprocal of each term from the above HP, the sequence will become

3, 6, 9, ...

which is an AP with a common difference of 3.

import java.util.Scanner;
public class **Series**
{
public static void main(String args[])
{
Scanner sc = new Scanner(System.in);
int n;
float sum, t;
System.out.println("1+1/2+1/3+......+1/n");
System.out.println("Enter the value of n");
n = sc.nextInt();
sum = 0;
for (float i = 1; i <= n; i++)
{
t = 1 / i;
sum = sum + t;
}
System.out.println(sum);
}
}

**Output:**
1+1/2+1/3+......+1/n
Enter the value of n
5
2.283334
BUILD SUCCESSFUL (total time: 6 seconds)