Computer Applications
Write a program in Java to find the sum of the given series:
S = 1! + 2! + 3! + …. + n!
Java
Java Nested for Loops
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Answer
import java.util.Scanner;
public class KboatSeries
{
public static void main(String args[]) {
Scanner in = new Scanner(System.in);
System.out.print("Enter n: ");
int n = in.nextInt();
long sum = 0;
for (int i = 1; i <= n; i++) {
long f = 1;
for (int j = 1; j <= i; j++) {
f *= j;
}
sum += f;
}
System.out.println("Sum = " + sum);
}
}Output
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Related Questions
Write a program in Java to find the sum of the following series:
S = 1 + (3/2!) + (5/3!) + (7/4!) + ……. to n
Write a program to generate a triangle or an inverted triangle till n terms based upon the user's choice.
Example 1:
Input: Type 1 for a triangle and
Type 2 for an inverted triangle
Enter your choice 1
Enter the number of terms 5
Sample Output:
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5Example 2:
Input: Type 1 for a triangle and
Type 2 for an inverted triangle
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Enter the number of terms 6
Sample Output:
6 6 6 6 6 6
5 5 5 5 5
4 4 4 4
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(a) To print the Floyd's triangle:
1
2 3
4 5 6
7 8 9 10
11 12 13 14 15(b) To display the following pattern:
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I C
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