Question

1+2!+3!+4!......n series in java
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Answer 1

Series :-

• 1!+2!+3!....Nth term

Code Language :-

• Java

This is a very simple question here is an approach

Code :-

package Coder;

import java.util.*;

public class FactSer{

public static void main (String ar []){

Scanner sc=new Scanner (System.in);

System.out.println("Enter number of terms");

int n=sc.nextInt();

int s=0,f=1;

for(int i=1;i<=n;i++){

f=1;

for(int j=1;j<=i;j++){

f *=i;

}

s+=f;

}

System.out.println("Sum="+s);

}

}

Variable Description:-

• n:- to Accept number as input from the user.
• s:- to calculate sum of factorial
• f:- to calculate factorial of a number
• I:- loop variable
• j:- loop variable

•Output Attached.