Factorial Program in Java

Factorial Program in Java

Example for Factorial is 

4!=4*3*2*1

5!=5*4*3*2*1

import java.util.Scanner;

public class Factorial {

    public static void main(String[] arg){

        Scanner sc=new Scanner(System.in);

        System.out.println("Enter number : ");

        int num1=sc.nextInt();

        int fact = 1;

        for(int i=1;i<=num1;i++){

        fact=fact*i;       

        }

         System.out.println(num1+"! is = "+fact);    

    }    

}

Output:

Enter number : 

5

5! is = 120