WAP in java to calculate factorial of a given no.

//Calculate Factorial of a given no

import java.util.Scanner;

public class Factorial {

public static void main(String args[])
{
Scanner sc=new Scanner(System.in);
System.out.println("Enter a no:");
int no=sc.nextInt();

if(no<0)
System.out.println("Can not determine");
else if(no==0)
System.out.println("Factorial=1");
else
{
long f=1L;

for(int i=1;i<=no;i++)
f=f*i;

System.out.println("Factorial="+f);
}
}

}