Computer Applications

Write a program in Java to find the sum of the following series:

S = a + (a/2!) + (a/3!) + (a/4!) + ……. + (a/n!)

Java

Java Nested for Loops

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Answer

import java.util.Scanner;

public class KboatSeries
{
    public void computeSum() {
        Scanner in = new Scanner(System.in);
        System.out.print("Enter a: ");
        int a = in.nextInt();
        System.out.print("Enter n: ");
        int n = in.nextInt();
        double sum = 0;
        
        for (int i = 1; i <= n; i++) {
            double f = 1;
            for (int j = 1; j <= i; j++) {
                f *= j;
            }
            sum += a / f;
        }
        System.out.println("Sum=" + sum);
        
    }
}

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