8 comments:

  1. import java.util.Scanner;

    class Test{

    public static void main(String ar[])
    {

    Scanner sc=new Scanner(System.in);
    long num,loop,factorial,nloop=1,input,sum=0;

    System.out.println("Enter Number to find Factorial");
    input=sc.nextLong();

    while(nloop<=input)
    {
    loop=1;
    factorial=1;
    num=nloop;
    while (loop <= num)
    {
    factorial=factorial*loop;
    loop++;
    }
    sum+=factorial;
    System.out.println("Factorial of "+num+" = "+factorial);
    nloop++;
    }

    System.out.println("Sum of Factorial's = "+sum);

    }
    }

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  2. This comment has been removed by the author.

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  3. import java.util.Scanner;

    class Test
    {

    public static void main(String ar[])
    {
    int num=100,sum=0,fac=1,i=1,j;
    System.out.print("Enter the number of terms: ");
    Scanner o= new Scanner(System.in);
    num=o.nextInt();

    while(i<=num)
    {
    j=i;
    fac=1;
    while(j>=1)
    {
    fac*=j;
    j--;
    }
    sum+=fac;
    i++;
    }

    System.out.println("The sum is: "+sum);

    }
    }

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  4. import java.util.Scanner;
    class Series
    {
    public static void main(String ar[])
    {
    int N,Number,Total=0,Fact,Number1=1;
    Scanner scan=new Scanner(System.in);
    System.out.println("Enter the Number you want to calculate its Factorial");
    N=scan.nextInt();
    while(Number1<=N)
    {
    Number=Number1;
    Fact=1;
    while(Number>1)
    {

    Fact=Fact*(Number*(Number-1));
    Number=Number-2;
    }
    System.out.print(Fact);
    System.out.print(" ");
    Number1++;
    Total=Total+Fact;
    }
    System.out.println(" ");
    System.out.println("Sum of N factorials="+Total);
    }
    }

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  5. import java.util.Scanner;
    class Fact
    {
    public static void main(String Args[])
    {
    System.out.println(" enter the number\n");
    Scanner sc=new Scanner(System.in);
    int n=sc.nextInt();
    int sum=0;
    for(int i=1;i<=n;i++)
    {int j=i;
    int num=1;
    while(j>=1)
    {
    num*=j;
    j--;
    }sum=sum+num;

    }System.out.println("the sum of factorial series is "+sum);
    }}

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  6. import java.util.Scanner;
    class Sumfact{
    public static void main(String ar[]){
    Scanner obj=new Scanner(System.in);
    int sum=0,i=1,num,fact=1;
    System.out.println("enter the number ");
    num=obj.nextInt();
    while(i!=num+1){
    fact=fact*i;
    sum=sum+fact;
    i++;
    }
    System.out.println("the sum is"+sum);
    }
    }

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  7. import java.util.Scanner;
    class SumFact{
    public static void main(String ar[]){
    int number,answer=1,sum=0;
    Scanner scan=new Scanner(System.in);
    System.out.println("Enter the number");
    number=scan.nextInt();
    while(number>1){
    answer=answer*number;
    number--;
    sum=sum+answer;
    }
    System.out.println("factorial of number is = "+answer);

    System.out.println("Sum of factorial is= "+sum);
    }
    }

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  8. import java.util.Scanner;

    class SumOfFactorial{

    public static void main(String ar[]){

    Scanner scan=new Scanner(System.in);
    int num,fact=1,sum=0;
    System.out.println("Enter number");
    num=scan.nextInt();

    for(int i=1;i<=num;i++){
    //j=i;
    for(int j=i;j<=i;j++){
    fact=fact*j;
    sum=sum+fact;

    }


    }
    System.out.println("Result="+sum);

    }




    }

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