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Write Java program to find the sum of the given series:

1 + (1/2!) + (1/3!) + (1/4!) + ………. + (1/n!)

Java

Java Nested for Loops

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Answer

import java.util.Scanner;

public class KboatSeriesSum
{
    public static void main(String args[]) {
        Scanner in = new Scanner(System.in);
        System.out.print("Enter n: ");
        int n = in.nextInt();
        double sum = 0.0;
        for (int i = 1; i <= n; i++) {
            long f = 1;
            for (int j = 1; j <= i; j++) {
                f *= j;
            }
            sum += (1.0 / f);
        }
        System.out.println("Sum=" + sum);
    }
}

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Output

BlueJ output of Write Java program to find the sum of the given series: 1 + (1/2!) + (1/3!) + (1/4!) + ………. + (1/n!)

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