factorial

 package com.kapish;

import java.util.Scanner;
public class Main {

    public static void main(String[] args) {
        // WAP to find whether a given number is prime or not.
        Scanner sc= new Scanner(System.in); //System.in is a standard input stream.
        System.out.print("Enter first number- ");
        int eno = sc.nextInt();
        System.out.println(eno);

        int i,fact=1;
        int number=eno;//It is the number to calculate factorial
        for(i=1;i<=number;i++){
            fact=fact*i;
        }
        System.out.println("Factorial of "+number+" is: "+fact);
    }
}