Java Factorial Program

import java.util.*;

class FactorialExample{

public static void main(String []args){

Scanner input=new Scanner(System.in);

System.out.print("Enter Number:");

int num=input.nextInt();

long fac=num;

for(int i=num;i>1;i--)

{

fac=fac*(i-1);

}

System.out.println(fac);

}

}