Question: sum of the series

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Sushmita
sum of the series
1 Answer(s)      5 years and 3 months ago
Posted in : Java Beginners

Program to sum the series 1+1/1!+1/2!+1/3!+....n

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February 17, 2012 at 11:30 AM


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

    public static double fact(int num)
    {
        int f=1,j;
        for(j=1;j<=num;j++)
        {
            f=f*j;
        }
        return(f);
    }
}

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