Sum Series

/*
Find sum of series
1+x/1!+x2/2!+x3/3! upto n times
*/
import java.util.Scanner;
public class SumSeries
{
public static void main(String args[])
{
int n,i,fact=1,j;
double sum=0;
Scanner sc=new Scanner(System.in);
System.out.println("Enter limit");
n=sc.nextInt();
for(i=1;i<=n;i++)
{
fact=1;
for(j=1;j<=i;j++)
fact=fact*j;
sum+=(double)i/fact;
}
System.out.println(sum);
}
}